What is the purpose of the clutch pilot bearing and how should it be inspected and replaced on GMC Sonoma?

The clutch pilot bearing is a needle roller-type bearing that supports the front of the transmission input shaft and is pressed into the rear of the crankshaft. It does not require additional lubrication as it is greased at the factory. When removing the clutch components, it is important to inspect the pilot bearing for excessive wear, scoring, dryness, roughness, or any other damage. Removal can be done using a special puller or by using a solid steel bar, wood dowel, or socket with a fixed bolt. The bar should fit snugly into the bearing. Before installation, the bearing and the area behind it should be packed tightly with heavy grease to eliminate air. To install the new bearing, lightly lubricate the outside surface with grease and use a soft-face hammer to drive it into the recess. Some bearings may have an O-ring seal that should face outwards. Finally, reassemble the clutch components, transmission, and other previously removed parts, ensuring that all fasteners are tightened to the recommended torque.

Genuine GMC Sonoma Pilot Bearing

Clutch Pilot Bearing

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GMC Sonoma Bearing, Clutch Pilot .
Part Number: 476574
$7.42 MSRP: $13.11
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Product Specifications
- Other Name: BEARING, Engine Crankshaft Clutch Pilot; Pilot Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2003 GMC Sonoma | PICKUP | 4 Cyl 2.2L, 4 Cyl 2.2L Flex
- 1991-1994 GMC Sonoma | PICKUP | 4 Cyl 2.2L, 6 Cyl 2.8L
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GMC Sonoma Bearing, Clutch Pilot
Part Number: 12557583
$13.60 MSRP: $25.68
You Save: $12.08 (48%)
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Product Specifications
- Other Name: BEARING, Engine Crankshaft Clutch Pilot; Pilot Bearing
- Replaces: 12479894
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2004 GMC Sonoma | 4 DOOR, PICKUP, PICKUP EXTENDED CAB | 4 Cyl 2.2L, 4 Cyl 2.2L Flex, 6 Cyl 4.3L
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GMC Sonoma Bearing,Clutch Pilot
Part Number: 14061685
$18.21 MSRP: $34.36
You Save: $16.15 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: BEARING, Engine Crankshaft Clutch Pilot; Pilot Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1998 GMC Sonoma | PICKUP | 4 Cyl 2.2L, 6 Cyl 4.3L
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GMC Sonoma Bearing, Clutch Pilot .
Part Number: 10040408
Product Specifications
- Other Name: BEARING, Engine Crankshaft Clutch Pilot; Pilot Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1993 GMC Sonoma | PICKUP | 4 Cyl 2.5L

GMC Sonoma Pilot Bearing

The GMC Sonoma Pilot Bearing is a small part. It bears the weight of the manual transmission input shaft. This part centers the input shaft in the crankshaft so the power produced by the engine smoothly passes into the gearbox. It provides a low friction rolling or sliding surface at the nose of the shaft to cut drag, limit heat, and prevent gear clash during shifting. The early applications employed a sintered bronze pilot bushing, which is a plain bearing with an oil-impregnated sleeve that allows the shaft to ride on a film of oil. Later versions make use of a needle or roller variety of Pilot Bearing, which employs tiny rollers that spin between inner and outer races to accommodate greater radial and axial loads with less wear. The key difference lies in the area of contact, as the bushing has only one contact surface, whereas the rolling Pilot Bearing has contact over a plurality of points. As such, it operates quietly and offers a longer life. If you own a GMC compact pickup, pay attention if you notice noise or vibration from the area of the clutch. A worn Sonoma Pilot Bearing can sound like bad gears and cause shifts to get stubborn. Routine checks suggested in GMC service schedules help confirm that the Sonoma Pilot Bearing continues to work trouble-free.

Each OEM GMC Sonoma Pilot Bearing we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

GMC Sonoma Pilot Bearing Parts Questions & Experts Answers

Bearing,Clutch Pilot
14061685
Q: What is the purpose of the clutch pilot bearing and how should it be inspected and replaced on GMC Sonoma?
A:
The clutch pilot bearing is a needle roller-type bearing that supports the front of the transmission input shaft and is pressed into the rear of the crankshaft. It does not require additional lubrication as it is greased at the factory. When removing the clutch components, it is important to inspect the pilot bearing for excessive wear, scoring, dryness, roughness, or any other damage. Removal can be done using a special puller or by using a solid steel bar, wood dowel, or socket with a fixed bolt. The bar should fit snugly into the bearing. Before installation, the bearing and the area behind it should be packed tightly with heavy grease to eliminate air. To install the new bearing, lightly lubricate the outside surface with grease and use a soft-face hammer to drive it into the recess. Some bearings may have an O-ring seal that should face outwards. Finally, reassemble the clutch components, transmission, and other previously removed parts, ensuring that all fasteners are tightened to the recommended torque.