How to replace the Clutch Master Cylinder on GMC Sonoma?

You need to start by taking off the master cylinder rod from the clutch pedal before you can unlock the Clutch Master Cylinder using a 45-degree clockwise turn. First disconnect the wiring harness from the Clutch Master Cylinder start switch before you detach the clips that secure the clutch line to both dash panel and heat shield. Remove the Clutch Master Cylinder from the dash panel then raise your vehicle while suspending it in place. Work with clutch line release tool (J 42371) to detach the clutch line from concentric slave cylinder before bringing down the vehicle to uninstall the Clutch Master Cylinder. Start by installing the new Clutch Master Cylinder before you raise the vehicle again. Before lowering your vehicle, connect the clutch line to the concentric slave cylinder by pulling back the connector sleeve. Secure the clutch line to the dash panel and heat shield using clips. Position the Clutch Master Cylinder into its cowl panel mounting hole then turn the cylinder by 45 degrees counterclockwise to secure it. Completion of the clutch project includes harnessing the start switch to the Clutch Master Cylinder alongside attaching the master cylinder rod to the pedal and performing a clutch bleed procedure.

OEM GMC Sonoma Clutch Master Cylinder

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9 Clutch Master Cylinders found

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GMC Sonoma Master Cylinder Part Number: 12574149
$133.33 MSRP: $219.63
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Product Specifications
- Other Name: Cylinder Assembly-Clutch Master; Clutch Master Cylinder; Cylinder, Hydraulic Clutch Main Cylinder
- Replaces: 15718351, 15740927, 15051974
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2003 GMC Sonoma | SL, SLE, SLS | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS
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GMC Sonoma Master Cylinder Part Number: 12385321
$136.92 MSRP: $215.44
You Save: $78.52 (37%)
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Product Specifications
- Other Name: Actuator, Hydraulic Clutch Main Cylinder; Clutch Master Cylinder
- Replaces: 15998928
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 GMC Sonoma | SL, SLE, SLS | 4 Cyl 2.2 L GAS
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GMC Sonoma Master Cylinder Part Number: 15051973
Product Specifications
- Other Name: Cylinder, Hydraulic Clutch Main Cylinder; Clutch Master Cylinder
- Replaces: 15153421, 15733571
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 GMC Sonoma | SL, SLE, SLS | 6 Cyl 4.3 L GAS
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GMC Sonoma Master Cylinder Part Number: 12584955
Product Specifications
- Other Name: Cylinder Assembly-Clutch Master; Clutch Master Cylinder; Cylinder, Hydraulic Clutch Main Cylinder
- Replaces: 12574150, 15762468
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2003 GMC Sonoma | SL, SLE, SLS | 6 Cyl 4.3 L GAS
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GMC Sonoma Master Cylinder Part Number: 12385319
Product Specifications
- Other Name: Cylinder Assembly, Clutch Master; Clutch Master Cylinder; Cylinder, Hydraulic Clutch Main Cylinder
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994 GMC Sonoma | SL, SLE, SLS | 6 Cyl 4.3 L GAS
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GMC Sonoma Master Cylinder Repair Kit Part Number: 15579688
Product Specifications
- Other Name: Cylinder Kit; Cylinder Kit, Hydraulic Clutch Main Cylinder; Repair Kit, Hydraulic Clutch Main Cylinder
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991 GMC Sonoma | Base, SLE | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Master Cylinder Part Number: 15576194
Product Specifications
- Other Name: Cylinder, Hydraulic Clutch Main Cylinder; Clutch Master Cylinder
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991 GMC Sonoma | Base, SLE | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Master Cylinder Part Number: 12387941
Product Specifications
- Other Name: Cylinder Assembly, Clutch Master; Clutch Master Cylinder; Cylinder, Hydraulic Clutch Main Cylinder
- Replaces: 12549134
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995 GMC Sonoma | SL, SLE, SLS | 6 Cyl 4.3 L GAS
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GMC Sonoma Master Cylinder Part Number: 12385317
Product Specifications
- Other Name: Actuator, Hydraulic Clutch Main Cylinder; Clutch Master Cylinder
- Replaces: 15679740
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1993 GMC Sonoma | Base, GT, SLE, SLS | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS

GMC Sonoma Clutch Master Cylinder

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The Master Cylinder for Clutch in the GMC Sonoma automobiles is a functional part applied for creating pressure in the hydraulic system in order to operate the clutch as per the demand of clutch pedal. This hydraulic pressure is taken to the slave cylinder and this makes the clutch to release and facilitate gear changing. Examples of Clutch Master Cylinder problems include a soft pedal and a wet/damp foreign substance appearing on the master cylinder cover, the inability to shift gears properly, and loud engaging sounds. These are common signs that there is a need for seals or cylinder bores to be changed because rusting and air in the system are signs that the seals or bore are worn. The clutch master cylinder is promptly involved in the control of the clutch and the brake systems because it contains a dual circuit that offers backup in the event of failure on one circuit.

GMC Sonoma Clutch Master Cylinder Parts and Q&A

Master Cylinder
12574149
Q: How to replace the Clutch Master Cylinder on GMC Sonoma?
A:
You need to start by taking off the master cylinder rod from the clutch pedal before you can unlock the Clutch Master Cylinder using a 45-degree clockwise turn. First disconnect the wiring harness from the Clutch Master Cylinder start switch before you detach the clips that secure the clutch line to both dash panel and heat shield. Remove the Clutch Master Cylinder from the dash panel then raise your vehicle while suspending it in place. Work with clutch line release tool (J 42371) to detach the clutch line from concentric slave cylinder before bringing down the vehicle to uninstall the Clutch Master Cylinder. Start by installing the new Clutch Master Cylinder before you raise the vehicle again. Before lowering your vehicle, connect the clutch line to the concentric slave cylinder by pulling back the connector sleeve. Secure the clutch line to the dash panel and heat shield using clips. Position the Clutch Master Cylinder into its cowl panel mounting hole then turn the cylinder by 45 degrees counterclockwise to secure it. Completion of the clutch project includes harnessing the start switch to the Clutch Master Cylinder alongside attaching the master cylinder rod to the pedal and performing a clutch bleed procedure.