What are the steps involved in inspecting and replacing the camshaft and Camshaft Bearing on GMC Jimmy?

After removing the camshaft from the engine, clean it with solvent and dry it, then inspect the bearing journals for uneven wear, pitting, and evidence of seizure; if damaged, both the camshaft and bearings will need replacement. Measure the inside diameter of each camshaft bearing, taking two measurements at each bearing, and subtract the bearing journal diameters from the corresponding bearing inside diameter measurement to obtain the oil clearance; excessive clearance necessitates new bearings. Camshaft bearing replacement requires special tools and expertise, so it is advisable to take the block to an automotive machine shop. Check the camshaft lobes for heat discoloration, score marks, chipped areas, pitting, and uneven wear; if the lobes are in good condition and the lobe lift measurements are as specified, the camshaft can be reused. Good used roller lifters can be reinstalled with a new camshaft, and while the original camshaft can be used if new lifters are installed, it is recommended to replace both together, especially for high-mileage engines. For V6 engines, if the balance shaft is to be removed, the balance shaft gear bolt should be removed before the timing chain to hold the shaft while loosening the bolt. Remove the two bolts and the balance shaft retainer at the front of the block, then use a slide-hammer threaded into the front of the balance shaft to knock it out. Inspect the balance shaft and measure the bearing journal diameters; if measurements exceed specifications, replace the balance shaft, bearing, and bushing as a set. The rear bushing, similar to a camshaft bearing, must be installed by a machine shop with the proper tools and alignment. Inspect the balance shaft drive gear and the balance shaft driven gear for signs of wear, pitting, broken teeth, or rough operation, as both gears are serviced only as a set.

Genuine GMC Jimmy Camshaft Bearing

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17 Camshaft Bearings found

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GMC Jimmy Bearing,Camshaft
Part Number: 12453171
$39.79 MSRP: $80.24
You Save: $40.45 (51%)
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Product Specifications
- Other Name: BEARING, Engine Camshaft & Balance Shaft Front; Bearing, Camshaft Bearing
- Replaces: 00474006, 474006
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-2001 GMC Jimmy | 1/2 TON, 2 DOOR, 4 DOOR | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L
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GMC Jimmy Bearing, Camshaft #3 &4
Part Number: 12508998
$37.73 MSRP: $59.37
You Save: $21.64 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: BEARING, Engine Camshaft & Balance Shaft Front; Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1991 GMC Jimmy | 1/2 TON
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GMC Jimmy Bearing, Camshaft #2 & Rear
Part Number: 12508997
$1.15 MSRP: $1.80
You Save: $0.65 (37%)
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Product Specifications
- Other Name: BEARING, Engine Camshaft & Balance Shaft Front; Bearing
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1991 GMC Jimmy | 1/2 TON
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GMC Jimmy Bearing,Camshaft
Part Number: 12507946
$2.10 MSRP: $3.29
You Save: $1.19 (37%)
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Product Specifications
- Other Name: BEARING, Engine Camshaft & Balance Shaft Front; Bearing, Bearing Set, Camshaft Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1993 GMC Jimmy | 2 DOOR, 4 DOOR
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GMC Jimmy Bearing,Camshaft
Part Number: 12507947
$2.01 MSRP: $3.16
You Save: $1.15 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: BEARING, Engine Camshaft & Balance Shaft Front; Bearing, Bearing Set, Camshaft Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1993 GMC Jimmy | 2 DOOR, 4 DOOR
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GMC Jimmy Bearing,Camshaft
Part Number: 14002525
$1.09 MSRP: $1.71
You Save: $0.62 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: BEARING, Engine Camshaft & Balance Shaft Front; Bearing, Camshaft Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1989 GMC Jimmy | 1/2 TON
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GMC Jimmy Bearing,Camshaft
Part Number: 19301057
$31.28 MSRP: $38.36
You Save: $7.08 (19%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: BEARING, Engine Camshaft & Balance Shaft Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-2001 GMC Jimmy | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
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GMC Jimmy Bearing,Camshaft
Part Number: 12453170
Product Specifications
- Other Name: BEARING, Engine Camshaft & Balance Shaft Front; Bearing, Camshaft Bearing
- Replaces: 00474005, 474005
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-2001 GMC Jimmy | 1/2 TON, 2 DOOR, 4 DOOR | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L
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GMC Jimmy Bearing, Camshaft Thrust.
Part Number: 14022644
Product Specifications
- Other Name: PLATE, Engine Camshaft Thrust
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1991 GMC Jimmy | 1/2 TON | 8 Cyl 6.2L Diesel
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GMC Jimmy Bearing,Camshaft #2
Part Number: 14048454
Product Specifications
- Other Name: BEARING, Engine Camshaft & Balance Shaft Front; Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1991 GMC Jimmy | 1/2 TON | 8 Cyl 6.2L Diesel
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GMC Jimmy Bearing,Camshaft #3
Part Number: 14048455
Product Specifications
- Other Name: BEARING, Engine Camshaft & Balance Shaft Front; Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1991 GMC Jimmy | 1/2 TON | 8 Cyl 6.2L Diesel
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GMC Jimmy Bearing,Camshaft #4
Part Number: 14048456
Product Specifications
- Other Name: BEARING, Engine Camshaft & Balance Shaft Front; Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1991 GMC Jimmy | 1/2 TON | 8 Cyl 6.2L Diesel
View related parts
GMC Jimmy Bearing,Camshaft #5
Part Number: 14048457
Product Specifications
- Other Name: BEARING, Engine Camshaft & Balance Shaft Front; Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1991 GMC Jimmy | 1/2 TON | 8 Cyl 6.2L Diesel
View related parts
GMC Jimmy Bearing, Camshaft #1
Part Number: 12508996
Product Specifications
- Other Name: BEARING, Engine Camshaft; Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1991 GMC Jimmy | 1/2 TON
View related parts
GMC Jimmy Bearing, Camshaft #1
Part Number: 12507945
Product Specifications
- Other Name: BEARING, Engine Camshaft & Balance Shaft Front; Bearing, Camshaft Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1993 GMC Jimmy | 2 DOOR, 4 DOOR
View related parts
GMC Jimmy Bearing,Camshaft #1
Part Number: 14048453
Product Specifications
- Other Name: BEARING, Engine Camshaft & Balance Shaft Front; Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1991 GMC Jimmy | 1/2 TON | 8 Cyl 6.2L Diesel
View related parts
GMC Jimmy Bearing,Camshaft
Part Number: 12453172
Product Specifications
- Other Name: BEARING, Engine Camshaft & Balance Shaft Front; Bearing, Camshaft Bearing
- Replaces: 00474007, 474007
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-2001 GMC Jimmy | 1/2 TON, 2 DOOR, 4 DOOR | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L

GMC Jimmy Camshaft Bearing

Each OEM GMC Jimmy Camshaft 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 Jimmy Camshaft Bearing Parts Questions & Experts Answers

Bearing,Camshaft
12453171
Q: What are the steps involved in inspecting and replacing the camshaft and Camshaft Bearing on GMC Jimmy?
A: After removing the camshaft from the engine, clean it with solvent and dry it, then inspect the bearing journals for uneven wear, pitting, and evidence of seizure; if damaged, both the camshaft and bearings will need replacement. Measure the inside diameter of each camshaft bearing, taking two measurements at each bearing, and subtract the bearing journal diameters from the corresponding bearing inside diameter measurement to obtain the oil clearance; excessive clearance necessitates new bearings. Camshaft bearing replacement requires special tools and expertise, so it is advisable to take the block to an automotive machine shop. Check the camshaft lobes for heat discoloration, score marks, chipped areas, pitting, and uneven wear; if the lobes are in good condition and the lobe lift measurements are as specified, the camshaft can be reused. Good used roller lifters can be reinstalled with a new camshaft, and while the original camshaft can be used if new lifters are installed, it is recommended to replace both together, especially for high-mileage engines. For V6 engines, if the balance shaft is to be removed, the balance shaft gear bolt should be removed before the timing chain to hold the shaft while loosening the bolt. Remove the two bolts and the balance shaft retainer at the front of the block, then use a slide-hammer threaded into the front of the balance shaft to knock it out. Inspect the balance shaft and measure the bearing journal diameters; if measurements exceed specifications, replace the balance shaft, bearing, and bushing as a set. The rear bushing, similar to a camshaft bearing, must be installed by a machine shop with the proper tools and alignment. Inspect the balance shaft drive gear and the balance shaft driven gear for signs of wear, pitting, broken teeth, or rough operation, as both gears are serviced only as a set.

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