How to replace the cam gear and timing chain on GMC Sierra 1500?

The timing chain and sprocket replacement needs you to take off the Oil Pump and Starter motor first, always making sure you follow fastener instructions. Put the j 42386-a flywheel holding tool in place, using a m10-1.5 x 120 mm and a m10-1.5 x 45 mm bolt, and tighten both to 50 nm (37 lb ft). Position the Crankshaft so that the timing marks on both sprockets line up before you take out the timing chain, and do not rotate the Crankshaft afterwards. Once you have removed the Camshaft sprocket bolt, take off both the Camshaft sprocket (205) and timing chain (208). Then, undo the timing chain tension bolts (231) and remove the tensioner (232). Attach the j 41816-2 (Crankshaft End Protector), the j 41558 (Crankshaft Sprocket Remover), the bolts, and the j 8433 (Puller Bar) to take off the Crankshaft sprocket (207) and its key, if required. For assembly, fit the key into the Crankshaft keyway, tap it in all the way, and then put the Crankshaft sprocket (207) on, making sure it is aligned with the keyway. Install the sprocket on the cranksha compress the Timing Chain Tensioner guide, put in the en 46330 (Timing Chain Tensioner Retaining Pin), fit the Timing Chain Tensioner (232) and its bolts, and tighten them to 25 nm (18 lb ft). Be sure the teeth of the sprockets are meshed and that the alignment marks on the sprockets line up. Put the Camshaft sprocket at 6 o'clock, fix it and the timing chain onto the Crankshaft sprocket, and then examine whether the sprockets are aligned. Take off the en 46330, and first tighten the Camshaft sprocket bolt to 75 nm (55 lb ft) and then use the j 45059 to turn it an extra 50 degrees. Take out the j 42386-a as well as the bolts, then reinstall the Starter motor, and afterwards put the Oil Pump back on.

OEM GMC Sierra 1500 Cam Gear

Camshaft Gear

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GMC Sierra 1500 Camshaft Gear Part Number: 12623368
$174.05 MSRP: $296.32
You Save: $122.27 (42%)
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Product Specifications
- Other Name: Actuator, Engine Camshaft; Variable Valve Timing Sprocket; Cam Gear; Actuator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2018 GMC Sierra 1500 | Base, Denali, SLE, SLT | 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
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GMC Sierra 1500 Camshaft Gear Part Number: 12606358
$168.69 MSRP: $287.18
You Save: $118.49 (42%)
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Product Specifications
- Other Name: Actuator, Engine Camshaft; Engine Variable Valve Timing (VVT) Sprocket; Timing Gear; Actuator Assembly; Actuator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2013 GMC Sierra 1500 | Denali, SL, SLE, SLT, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX
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GMC Sierra 1500 Camshaft Gear Part Number: 12602699
$188.12 MSRP: $320.28
You Save: $132.16 (42%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Actuator, Engine Camshaft; Variable Valve Timing Sprocket; Cam Gear; Actuator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2013, 2009-2010 GMC Sierra 1500 | Hybrid, SLE, SLT | 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L GAS
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GMC Sierra 1500 Camshaft Gear Part Number: 12591689
$24.76 MSRP: $40.78
You Save: $16.02 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sprocket, Engine Camshaft; Timing Gear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2009 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Camshaft Gear Part Number: 12691897
$56.75 MSRP: $96.61
You Save: $39.86 (42%)
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Product Specifications
- Other Name: Actuator-Camshaft Position Exhaust; Actuator
- Replaced by: 12706545
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 GMC Sierra 1500 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
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GMC Sierra 1500 Camshaft Gear Part Number: 55489218
$6.10 MSRP: $9.56
You Save: $3.46 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sprocket, Engine Camshaft; Variable Valve Timing Sprocket; Cam Gear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2023 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
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GMC Sierra 1500 Camshaft Gear Part Number: 12691898
$62.13 MSRP: $105.77
You Save: $43.64 (42%)
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Product Specifications
- Other Name: Actuator-Camshaft Position Intake; Actuator; Actuator, Engine Camshaft
- Replaces: 12687323
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 GMC Sierra 1500 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
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GMC Sierra 1500 Actuator Part Number: 12689342
$130.97 MSRP: $222.96
You Save: $91.99 (42%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Actuator, Engine Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 GMC Sierra 1500 | AT4, AT4X, Base, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Actuator Part Number: 12689341
$126.82 MSRP: $201.35
You Save: $74.53 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Actuator, Engine Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2021 GMC Sierra 1500 | Base | 6 Cyl 4.3 L GAS
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GMC Sierra 1500 Camshaft Gear Part Number: 12630091
$156.61 MSRP: $266.63
You Save: $110.02 (42%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Actuator, Engine Camshaft; Variable Valve Timing Sprocket; Cam Gear; Actuator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2018 GMC Sierra 1500 | Base, SLE | 6 Cyl 4.3 L FLEX
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GMC Sierra 1500 Camshaft Gear Part Number: 12576407
$34.88 MSRP: $59.89
You Save: $25.01 (42%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sprocket, Engine Camshaft; Variable Valve Timing Sprocket; Timing Gear; Cam Gear; Timing Gear Set; Sprocket
- Replaces: 12552953
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2006 GMC Sierra 1500 | Base, C3, Denali, HT, Hybrid, SL, SLE, SLT, 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

GMC Sierra 1500 Cam Gear

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GMC Sierra 1500 Cam Gear Parts and Q&A

Camshaft Gear
12602699
Q: How to replace the cam gear and timing chain on GMC Sierra 1500?
A:
The timing chain and sprocket replacement needs you to take off the Oil Pump and Starter motor first, always making sure you follow fastener instructions. Put the j 42386-a flywheel holding tool in place, using a m10-1.5 x 120 mm and a m10-1.5 x 45 mm bolt, and tighten both to 50 nm (37 lb ft). Position the Crankshaft so that the timing marks on both sprockets line up before you take out the timing chain, and do not rotate the Crankshaft afterwards. Once you have removed the Camshaft sprocket bolt, take off both the Camshaft sprocket (205) and timing chain (208). Then, undo the timing chain tension bolts (231) and remove the tensioner (232). Attach the j 41816-2 (Crankshaft End Protector), the j 41558 (Crankshaft Sprocket Remover), the bolts, and the j 8433 (Puller Bar) to take off the Crankshaft sprocket (207) and its key, if required. For assembly, fit the key into the Crankshaft keyway, tap it in all the way, and then put the Crankshaft sprocket (207) on, making sure it is aligned with the keyway. Install the sprocket on the cranksha compress the Timing Chain Tensioner guide, put in the en 46330 (Timing Chain Tensioner Retaining Pin), fit the Timing Chain Tensioner (232) and its bolts, and tighten them to 25 nm (18 lb ft). Be sure the teeth of the sprockets are meshed and that the alignment marks on the sprockets line up. Put the Camshaft sprocket at 6 o'clock, fix it and the timing chain onto the Crankshaft sprocket, and then examine whether the sprockets are aligned. Take off the en 46330, and first tighten the Camshaft sprocket bolt to 75 nm (55 lb ft) and then use the j 45059 to turn it an extra 50 degrees. Take out the j 42386-a as well as the bolts, then reinstall the Starter motor, and afterwards put the Oil Pump back on.