What tools and procedures are required for installing a new harmonic balancer in V8 engine on Chevrolet Camaro?

This procedure calls for a new harmonic balancer bolt, which together with the balancer installation tools as well as the flywheel/drive plate ring gear holding tool are available from harmonic balancer tool makers only. First, take off the ground cable from the negative terminal of the battery, then the lug nuts of the front wheel, lift the front part of the car and support it on jack stands placing the parking brake. Pull off the wheels; then, in the interior, you get rid of the steering gear, splash shield, and drivebelt. Then there is a starter motor to be taken off, and what is called the flywheel/driveplate ring gear holder. For the models with manual transmission, draw a locating mark from the end of the crankshaft to the harmonic balancer, the balancer is not keyed or keywayed for positioning. Remove the balancer bolt and check the distance from the balancer to the end of the crankshaft snout for installation and installer should not put new harmonic balancer bolt and tighten without measuring the balancer for proper depth required for it. To remove the balancer, fitted on the crankshaft nose a three-jaw puller so that the jaws will grip only the hub and not the outer ring and to protect the threads use the correct adapter. It should be noted that on some models there may be a shift of weight balances from the former balancer to the new one. If present, fit the balancer washer, align the crankshaft pulley/balancer to the crankshaft and to the earlier made marks. For automatic transmission models, make certain the slot in the hub fits on the Woodruff key of the crankshaft. Slide in the harmonic balancer installation tool to fit the crankshaft pulley/balancer onto the crankshaft, as it is a fitting which cannot be done otherwise and then screw in the original bolt and tighten with an initial torque of 240 fl-lbs or 330 Nm. Once the old bolt has been taken out, double check the crankshaft snout end to balancer face measurement is correct as earlier measured; if not correct the measurement correctly. Last, replace the harmonic balancer bolt and fasten it in a clockwise direction with progressive tightening of 90 degrees in the three subsequent steps, in the total recommended torque with the proper rotational angle in the clockwise direction; reinstall the harmonic balancer in the reverse manner of the removal process.

How to remove and replace the harmonic balancer in 2.3L four cylinder engine on Chevrolet Beretta?

Negative battery terminal cable should be removed. On the Delco Loc II audio system equipped models, make certain the lockout feature is deactivated prior to any process that involves disconnecting the battery. After that, the drive belt should be removed. With the parking brake applied and the shifter in Park (automatic) or in gear (manual), raise the front of the vehicle and securely support it on jackstands. Remove The bolt from the front of the crankshaft. Most likely, a breaker bar will have to be used because the bolt is very tight. In case there is no special tool, insert a bar through a hole in the damper to keep the crankshaft from turning over. Harmonic Balancer should be removed from crankshaft using a puller. If you use a jaw-type puller that releases force onto outer edge, this will ruin the balancer; use a bolt-type puller which applies force on balancer hub instead. The oil seal will need to be checked for wear and replaced if necessary. Thin layer of clean multi-purpose grease needs to be applied on Harmonic Balancer hub's seal contact surface. Place balancer on crank shaft and slide through seal until bottom of sprocket is reached by it. Note that slot (keyway) in hub must align with Woodruff key at end of crankshaft. Crankshaft bolt can also be employed for pressing balancer into position. Tighten down on crankshaft bolt thoroughly but carefully because too much force could break something; therefore, you have permission to exercise caution while driving! The remaining steps are just as they were before taking it off.

OEM Chevrolet Harmonic Balancer

Engine Harmonic Balancer

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149 Harmonic Balancers found

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Chevrolet Crank Pulley Part Number: 12697768
$64.58 MSRP: $112.73
You Save: $48.15 (43%)
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Product Specifications
- Other Name: Pulley; Harmonic Balancer
- Replaces: 12626355, 12603181, 12674685
Fits the following Chevrolet Models:
- Camaro | 2022-2024 | ZL1 | 8 Cyl 6.2 L GAS
- Captiva Sport | 2012 | LT, LTZ | 6 Cyl 3.0 L FLEX
- Colorado | 2015-2016 | LT, WT, Z71 | 6 Cyl 3.6 L GAS
- Equinox | 2010-2017 | LT, LTZ, Premier | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
- Impala | 2012-2020 | LS, LT, LTZ, Police, Premier | 6 Cyl 3.6 L BI-FUEL, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
- Impala Limited | 2014-2016 | LS, LT, LTZ, Police | 6 Cyl 3.6 L FLEX
- Malibu | 2008-2012 | LT, LTZ | 6 Cyl 3.6 L GAS
- Traverse | 2009-2023 | High Country, L, LS, LT, LTZ, Premier, RS | 6 Cyl 3.6 L GAS
- Traverse Limited | 2024 | High Country, LS, LT, Premier, RS | 6 Cyl 3.6 L GAS
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Chevrolet Crankshaft Pulley Part Number: 12684590
$85.02 MSRP: $148.34
You Save: $63.32 (43%)
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Product Specifications
- Other Name: Pulley; Harmonic Balancer Puller; Harmonic Balancer
- Replaces: 12620312, 12662037
Fits the following Chevrolet Models:
- Express 2500 | 2018 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS
- Express 3500 | 2018 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS
- Silverado 1500 | 2014-2018 | Custom, High Country, LS, LT, LTZ, SSV, WT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
- Silverado 1500 LD | 2019 | Custom, LT, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Suburban | 2015-2020 | LS, LT, LTZ, Premier | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Tahoe | 2015-2020 | LS, LT, LTZ, PPV, Premier, SSV | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Chevrolet Crankshaft Pulley Part Number: 55565300
$89.18 MSRP: $155.61
You Save: $66.43 (43%)
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Product Specifications
- Other Name: Pulley; Harmonic Balancer Puller; Harmonic Balancer
Fits the following Chevrolet Models:
- Cruze | 2012-2015 | L, LS | 4 Cyl 1.8 L FLEX, 4 Cyl 1.8 L GAS
- Cruze Limited | 2016 | L, LS, LT | 4 Cyl 1.8 L FLEX, 4 Cyl 1.8 L GAS
- Sonic | 2012-2018 | LS, LT, LTZ | 4 Cyl 1.8 L FLEX, 4 Cyl 1.8 L GAS
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Chevrolet Vibration Damper Part Number: 10243271
$91.85 MSRP: $160.28
You Save: $68.43 (43%)
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Product Specifications
- Other Name: Pulley; Balancer, Engine Crankshaft And Camshaft Balancer
Fits the following Chevrolet Models:
- C1500 | 1996-1999 | Base, Cheyenne, LS, Silverado, WT | 8 Cyl 5.7 L GAS
- C1500 Suburban | 1996-1999 | Base, LS, LT | 8 Cyl 5.7 L GAS
- C2500 | 1996-2000 | Base, Cheyenne, LS, Silverado, WT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
- C2500 Suburban | 1996-1999 | Base, LS, LT | 8 Cyl 5.7 L GAS
- C3500 | 1996-2000 | Base, Cheyenne, LS, Silverado | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
- Express 1500 | 1996-2002 | Base, LS, LT | 8 Cyl 5.7 L GAS
- Express 2500 | 1996-2002 | Base, LS | 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
- Express 3500 | 1996-2002 | Base, LS | 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
- K1500 | 1996-1999 | Base, Cheyenne, LS, Silverado, WT | 8 Cyl 5.7 L GAS
- K1500 Suburban | 1996-1999 | Base, LS, LT | 8 Cyl 5.7 L GAS
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Chevrolet Crank Pulley Part Number: 12560115
$111.27 MSRP: $194.16
You Save: $82.89 (43%)
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Product Specifications
- Other Name: Pulley
- Replaces: 12553474
Fits the following Chevrolet Models:
- Corvette | 1997-2004 | 50th Anniversary Edition, 50th Anniversary Edition Pace Car, Base, Indianapolis 500 Pace Car, Z06 | 8 Cyl 5.7 L GAS
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Chevrolet Crankshaft Pulley Part Number: 55574771
$112.23 MSRP: $195.84
You Save: $83.61 (43%)
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Product Specifications
- Other Name: Pulley; Harmonic Balancer Puller; Harmonic Balancer
Fits the following Chevrolet Models:
- Cruze | 2011-2016 | Eco, L, LS, LT, LTZ, Premier | 4 Cyl 1.4 L GAS
- Cruze Limited | 2016 | Eco, LT, LTZ | 4 Cyl 1.4 L GAS
- Sonic | 2012 | LT, LTZ | 4 Cyl 1.4 L GAS
- Trax | 2015-2017 | LS, LT, LTZ, Premier | 4 Cyl 1.4 L GAS
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Chevrolet Vibration Damper Part Number: 19300488
$116.90 MSRP: $203.98
You Save: $87.08 (43%)
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Product Specifications
- Other Name: Damper, Engine Crankshaft And Camshaft Balancer
Fits the following Chevrolet Models:
- Express 1500 | 2003-2014 | Base, LS, LT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Express 2500 | 2003-2020 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
- Express 3500 | 2003-2020 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
- Silverado 2500 HD | 2015-2019 | High Country, LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
- Silverado 3500 HD | 2015-2019 | High Country, LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
- Suburban 3500 HD | 2016-2019 | LS, LT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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Chevrolet Crankshaft Pulley Part Number: 90537704
$131.16 MSRP: $228.89
You Save: $97.73 (43%)
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Product Specifications
- Other Name: Damper, Engine Crankshaft And Camshaft Balancer; Harmonic Balancer Puller; Harmonic Balancer
- Replaces: 12623793, 12787628
Fits the following Chevrolet Models:
- Cavalier | 2002-2005 | Base, LS, LS Sport | 4 Cyl 2.2 L BI-FUEL, 4 Cyl 2.2 L GAS
- Classic | 2004-2005 | Base, LS | 4 Cyl 2.2 L GAS
- Cobalt | 2005-2010 | Base, LS, LT, LTZ, SS, Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L GAS
- Equinox | 2010-2017 | L, LS, LT, LTZ, Premier | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
- HHR | 2006-2011 | LS, LS Panel, LT, LT Panel, SS, SS Panel | 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
- Malibu | 2004-2012 | Base, Classic LS, LS, LT, LTZ | 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
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Chevrolet Vibration Damper Part Number: 12674582
$148.85 MSRP: $259.74
You Save: $110.89 (43%)
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Product Specifications
- Other Name: Pulley; Harmonic Balancer
- Replaces: 12620556, 12635649, 12601402
Fits the following Chevrolet Models:
- Caprice | 2011-2017 | PPV | 8 Cyl 6.0 L FLEX
- Corvette | 2008-2013 | Base, Grand Sport | 8 Cyl 6.2 L GAS
- SS | 2014-2017 | Base | 8 Cyl 6.2 L GAS
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Chevrolet Crank Pulley Part Number: 12675715
$220.63 MSRP: $375.60
You Save: $154.97 (42%)
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Product Specifications
- Other Name: Pulley; Harmonic Balancer
- Replaces: 12635652, 12583637, 12598831
Fits the following Chevrolet Models:
- Corvette | 2005-2007 | Base | 8 Cyl 6.0 L GAS
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Chevrolet Vibration Damper Part Number: 19260268
$308.64 MSRP: $530.07
You Save: $221.43 (42%)
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Product Specifications
- Other Name: Damper, Engine Crankshaft And Camshaft Balancer; Balancer, Engine Crankshaft And Camshaft Balancer
- Replaces: 88960603, 10216338
Fits the following Chevrolet Models:
- C1500 | 1991-1993 | 454 SS, Cheyenne, Silverado, WT | 8 Cyl 7.4 L GAS
- C2500 | 1991-1993 | Cheyenne, Scottsdale, Silverado | 8 Cyl 7.4 L GAS
- C2500 Suburban | 1992-1993 | Base, Silverado | 8 Cyl 7.4 L GAS
- C3500 | 1991-1993 | Cheyenne, Scottsdale, Silverado | 8 Cyl 7.4 L GAS
- G30 | 1991-1993 | Beauville, Chevy Van, Hi-Cube, Sportvan | 8 Cyl 7.4 L GAS
- K2500 | 1991-1993 | Cheyenne, Scottsdale, Silverado | 8 Cyl 7.4 L GAS
- K2500 Suburban | 1992-1993 | Base, Silverado | 8 Cyl 7.4 L GAS
- K3500 | 1991-1993 | Cheyenne, Scottsdale, Silverado | 8 Cyl 7.4 L GAS
- P30 | 1991-1993 | Base | 8 Cyl 7.4 L GAS
- R2500 Suburban | 1991 | Scottsdale, Silverado | 8 Cyl 7.4 L GAS
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Chevrolet Crank Pulley Part Number: 12674581
$615.59 MSRP: $1048.02
You Save: $432.43 (42%)
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Product Specifications
- Other Name: Pulley
- Replaces: 12603916
Fits the following Chevrolet Models:
- Camaro | 2012-2015 | ZL1 | 8 Cyl 6.2 L GAS
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Chevrolet Vibration Damper Part Number: 6272222
$93.12 MSRP: $150.63
You Save: $57.51 (39%)
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Product Specifications
- Other Name: Balancer Assembly-Crankshaft
Fits the following Chevrolet Models:
- Blazer | 1987-1994 | Base, Cheyenne, Custom Deluxe, Scottsdale, Silverado, Silverado Sport | 8 Cyl 5.7 L GAS
- C10 | 1984-1986 | Custom, Scottsdale, Silverado | 8 Cyl 5.7 L GAS
- C10 Suburban | 1984-1986 | Custom, Scottsdale, Silverado | 8 Cyl 5.7 L GAS
- C1500 | 1988-1995 | Base, Cheyenne, Scottsdale, Silverado, WT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
- C1500 Suburban | 1992-1995 | Base, LS, LT, Silverado | 8 Cyl 5.7 L GAS
- C20 | 1984-1986 | Custom, Scottsdale, Silverado | 8 Cyl 5.7 L GAS
- C20 Suburban | 1984-1986 | Custom, Scottsdale, Silverado | 8 Cyl 5.7 L GAS
- C2500 | 1988-1995 | Base, Cheyenne, Scottsdale, Silverado, WT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
- C2500 Suburban | 1992-1995 | Base, LS, LT, Silverado | 8 Cyl 5.7 L GAS
- C30 | 1984-1986 | Custom, Scottsdale, Silverado | 8 Cyl 5.7 L GAS
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Chevrolet Crankshaft Pulley Part Number: 12583151
$107.76 MSRP: $171.09
You Save: $63.33 (38%)
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Product Specifications
- Other Name: Damper, Engine Crankshaft And Camshaft Balancer; Harmonic Balancer Puller; Harmonic Balancer
Fits the following Chevrolet Models:
- Captiva Sport | 2012-2015 | LS, LT, LTZ | 4 Cyl 2.4 L FLEX
- Cobalt | 2005-2007 | SS | 4 Cyl 2.0 L GAS
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Chevrolet Crankshaft Pulley Part Number: 55574735
$54.17 MSRP: $84.87
You Save: $30.70 (37%)
Product Specifications
- Other Name: Pulley; Harmonic Balancer Puller; Harmonic Balancer
- Replaces: 55571401
Fits the following Chevrolet Models:
- Volt | 2011-2015 | Base | 4 Cyl 1.4 L PLUG-IN HYBRID EV-GAS (PHEV)
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Chevrolet Vibration Damper Part Number: 10224885
$68.02 MSRP: $106.52
You Save: $38.50 (37%)
Product Specifications
- Other Name: Balancer, Crankshaft; Harmonic Balancer
Fits the following Chevrolet Models:
- Astro | 1996-2005 | Base, LS, LT | 6 Cyl 4.3 L GAS
- Blazer | 1996-2005 | Base, LS, LT, Trailblazer, Xtreme, ZR2 | 6 Cyl 4.3 L GAS
- C1500 | 1996-1998 | Base, Cheyenne, Silverado, WT | 6 Cyl 4.3 L GAS
- Express 1500 | 1996-2014 | Base, LS, LT | 6 Cyl 4.3 L GAS
- Express 2500 | 1996-2006 | Base, LS | 6 Cyl 4.3 L GAS
- Express 3500 | 1997-1998 | Base, LS | 6 Cyl 4.3 L GAS
- K1500 | 1996-1998 | Base, Cheyenne, Silverado, WT | 6 Cyl 4.3 L GAS
- P30 | 1996-1999 | Base | 6 Cyl 4.3 L GAS
- S10 | 1996-2004 | Base, LS, SS, Xtreme, ZR2, ZR5 | 6 Cyl 4.3 L GAS
- Silverado 1500 | 1999-2013 | Base, LS, LT, WT | 6 Cyl 4.3 L GAS
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Chevrolet Vibration Damper Part Number: 12634105
$108.01 MSRP: $169.19
You Save: $61.18 (37%)
Product Specifications
- Other Name: Pulley; Harmonic Balancer; Crankshaft Balance; Balancer
- Replaces: 12576652, 12553112
Fits the following Chevrolet Models:
- Avalanche | 2007-2013 | Black Diamond LS, Black Diamond LT, Black Diamond LTZ, LS, LT, LTZ | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Avalanche 1500 | 2002-2006 | Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Avalanche 2500 | 2002-2006 | Base, LS, LT | 8 Cyl 8.1 L GAS
- Colorado | 2009-2012 | LT | 8 Cyl 5.3 L GAS
- Express 1500 | 2003-2014 | Base, LS, LT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Express 2500 | 2003-2017 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
- Express 3500 | 2003-2017 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
- Silverado 1500 | 1999-2013 | Base, Hybrid, LS, LT, LTZ, SS, WT, XFE, Z71 Off-Road | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
- Silverado 1500 Classic | 2007 | Hybrid, LS, LT, SS, WT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Silverado 1500 HD | 2005-2006, 2001-2003 | Base, LS, LT | 8 Cyl 6.0 L GAS
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Chevrolet Vibration Damper Part Number: 12578069
$118.42 MSRP: $186.33
You Save: $67.91 (37%)
Product Specifications
- Other Name: Pulley; Harmonic Balancer
- Replaces: 12571619
Fits the following Chevrolet Models:
- Trailblazer | 2002-2009 | Base, LS, LT, LTZ, North Face | 6 Cyl 4.2 L GAS
- Trailblazer EXT | 2002-2006 | LS, LT, North Face | 6 Cyl 4.2 L GAS
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Chevrolet Crank Pulley Part Number: 12687728
$197.34 MSRP: $310.45
You Save: $113.11 (37%)
Product Specifications
- Other Name: Pulley
- Replaces: 12668109
Fits the following Chevrolet Models:
- Camaro | 2016-2024 | LT1, SS | 8 Cyl 6.2 L GAS
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Chevrolet Crank Pulley Part Number: 12675716
$488.28 MSRP: $771.74
You Save: $283.46 (37%)
Product Specifications
- Other Name: Pulley; Harmonic Balancer
- Replaces: 12599862
Fits the following Chevrolet Models:
- Camaro | 2014-2015 | Z/28 | 8 Cyl 7.0 L GAS
- Corvette | 2006-2013 | 427, 427 Limited Edition Z06, Z06, Z06 Carbon | 8 Cyl 7.0 L GAS

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Chevrolet Harmonic Balancer

Choose OEM Harmonic Balancer, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Chevrolet's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM Chevrolet Harmonic Balancer. You can shop at highly competitive prices and protect your budget. All our genuine Chevrolet parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Chevrolet Harmonic Balancer eliminates crankshaft shake so that power pulses are made smooth and engine components are not subjected to savage resonance. Chevy had a reputation for cars that start every morning, transport friends without difficulties, and punch through traffic drama-free. Ever since 1911, Chevrolet and Chevy have combined friendly price tags and a daring makeover, allowing drivers to seize performance and comfort yet not feel that they are being squeezed by the dealership. Chevrolet now packs cabins with easy-to-read infotainment displays, speedy Wi-Fi, and Super Cruise to make highway miles vanish as confidence remains. Everyday commuters, weekend explorers, and first-time buyers slip into a Chevy and discover very familiar controls, tight steering, and engines that smilingly purr when pressed. The violent torsional pulses fed to the steel ring and rubber damper of the Harmonic Balancer when the crankshaft is rotating at thousands of revolutions per second are enough to break bolts and mains in two. When the rubber is old or the oil is soaked in, the vibration seeps in, and the belts become lost and the dash begins to buzz. A new Harmonic Balancer restores composure, maintains parts in place, and restores lost horsepower by preventing energy from bleeding to shake. Track junkies steal performance units that introduce mass or fluid shear dampening, and the rev needle remains happy way above factory redline.

Chevrolet Harmonic Balancer Parts and Q&A

Crank Pulley
12617538
Q: What tools and procedures are required for installing a new harmonic balancer in V8 engine on Chevrolet Camaro?
A:
This procedure calls for a new harmonic balancer bolt, which together with the balancer installation tools as well as the flywheel/drive plate ring gear holding tool are available from harmonic balancer tool makers only. First, take off the ground cable from the negative terminal of the battery, then the lug nuts of the front wheel, lift the front part of the car and support it on jack stands placing the parking brake. Pull off the wheels; then, in the interior, you get rid of the steering gear, splash shield, and drivebelt. Then there is a starter motor to be taken off, and what is called the flywheel/driveplate ring gear holder. For the models with manual transmission, draw a locating mark from the end of the crankshaft to the harmonic balancer, the balancer is not keyed or keywayed for positioning. Remove the balancer bolt and check the distance from the balancer to the end of the crankshaft snout for installation and installer should not put new harmonic balancer bolt and tighten without measuring the balancer for proper depth required for it. To remove the balancer, fitted on the crankshaft nose a three-jaw puller so that the jaws will grip only the hub and not the outer ring and to protect the threads use the correct adapter. It should be noted that on some models there may be a shift of weight balances from the former balancer to the new one. If present, fit the balancer washer, align the crankshaft pulley/balancer to the crankshaft and to the earlier made marks. For automatic transmission models, make certain the slot in the hub fits on the Woodruff key of the crankshaft. Slide in the harmonic balancer installation tool to fit the crankshaft pulley/balancer onto the crankshaft, as it is a fitting which cannot be done otherwise and then screw in the original bolt and tighten with an initial torque of 240 fl-lbs or 330 Nm. Once the old bolt has been taken out, double check the crankshaft snout end to balancer face measurement is correct as earlier measured; if not correct the measurement correctly. Last, replace the harmonic balancer bolt and fasten it in a clockwise direction with progressive tightening of 90 degrees in the three subsequent steps, in the total recommended torque with the proper rotational angle in the clockwise direction; reinstall the harmonic balancer in the reverse manner of the removal process.
Crankshaft Pulley
19420423
Q: How to remove and replace the harmonic balancer in 2.3L four cylinder engine on Chevrolet Beretta?
A:
Negative battery terminal cable should be removed. On the Delco Loc II audio system equipped models, make certain the lockout feature is deactivated prior to any process that involves disconnecting the battery. After that, the drive belt should be removed. With the parking brake applied and the shifter in Park (automatic) or in gear (manual), raise the front of the vehicle and securely support it on jackstands. Remove The bolt from the front of the crankshaft. Most likely, a breaker bar will have to be used because the bolt is very tight. In case there is no special tool, insert a bar through a hole in the damper to keep the crankshaft from turning over. Harmonic Balancer should be removed from crankshaft using a puller. If you use a jaw-type puller that releases force onto outer edge, this will ruin the balancer; use a bolt-type puller which applies force on balancer hub instead. The oil seal will need to be checked for wear and replaced if necessary. Thin layer of clean multi-purpose grease needs to be applied on Harmonic Balancer hub's seal contact surface. Place balancer on crank shaft and slide through seal until bottom of sprocket is reached by it. Note that slot (keyway) in hub must align with Woodruff key at end of crankshaft. Crankshaft bolt can also be employed for pressing balancer into position. Tighten down on crankshaft bolt thoroughly but carefully because too much force could break something; therefore, you have permission to exercise caution while driving! The remaining steps are just as they were before taking it off.