What are the causes and prevention methods for bearing failure during an engine overhaul?

When an engine is being overhauled, the main and connecting rod bearings should be replaced with new ones. Nevertheless, the old bearings must be kept for examination because they can tell a lot about the condition of the engine. Bearing failure may arise due to various causes including absence of lubrication, presence of dirt or foreign particles, overloading of the engine and corrosion. Regardless of the cause, avoiding future bearing failures requires that one rectifies the current failure before reassembling the engine. In referencing to any issues that may exist in relation to a corresponding crankshaft journal, these bearings should be taken from the engine block and main bearing caps as well as from connecting rods and rod caps and arranged on a clean surface in their original positions. Foreign material and dirt can enter into engines through improper assembly; passing by filters/PCV system or even present in oil. These particles sink into soft bearing material causing damage to it. This type of bearing failure can be prevented by regular cleaning of engine components and frequent oil and filter changes. Insufficient lubrication results from excessive heat; overloading; oil leakage or throw off; blocked oil passages etc. Such wiping leads to overheating when there is not enough lubrication whereby bearing material is wiped or extruded out from steel backing plates. Driving habits such as full throttle open throttle operation, short trip driving at low speeds in high gears also affect bearing life. Due to such habits we can experience high loads on bearings, which cause flexing, fatigue failure/corrosion. Poorly installed bearings during engine assembly like tight fitted bearings or trapped dirt/foreign particles have also been known to cause failures.

Genuine Chevrolet C1500 Rod Bearing

Engine Connecting Rod Bearing

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Chevrolet C1500 Bearing Pkg, Rod (Std)(Service Pkg)
Part Number: 12329715
$14.78 MSRP: $29.81
You Save: $15.03 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: BEARING KIT, Engine Connecting Rod; Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1990 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 8 Cyl 7.4L
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Chevrolet C1500 Bearing ,Connect Rod
Part Number: 12517006
$35.66 MSRP: $88.68
You Save: $53.02 (60%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BEARING KIT, Engine Connecting Rod; Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1999 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel
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Chevrolet C1500 Bearing Pkg, Rod (.001)
Part Number: 12523925
$14.79 MSRP: $29.83
You Save: $15.04 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: BEARING KIT, Engine Connecting Rod
- Replaces: 12523928
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1999 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 8 Cyl 5.0L, 8 Cyl 5.7L
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Chevrolet C1500 Bearing Kit,Connect Rod
Part Number: 12523924
$29.97 MSRP: $49.59
You Save: $19.62 (40%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: BEARING KIT, Engine Connecting Rod; Bearing, Connecting Rod Bearing
- Replaces: 12523927
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1999 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 8 Cyl 5.0L, 8 Cyl 5.7L
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Chevrolet C1500 Bearing Kit,Connect Rod
Part Number: 10181277
$28.75 MSRP: $47.57
You Save: $18.82 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: BEARING KIT, Engine Connecting Rod; Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 8 Cyl 7.4L
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Chevrolet C1500 Bearing Kit,Connect Rod (.026Mm Undersize)
Part Number: 12517007
$61.43 MSRP: $96.65
You Save: $35.22 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BEARING KIT, Engine Connecting Rod
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1999 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel
View related parts
Chevrolet C1500 Bearing Kit,Connect Rod
Part Number: 88893897
$14.74 MSRP: $24.41
You Save: $9.67 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: BEARING KIT, Engine Connecting Rod; Bearing
- Replaced by: 19256448
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1998 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 6 Cyl 4.3L
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Chevrolet C1500 Bearing Kit,Connect Rod (.002U/S)
Part Number: 12329426
$19.40 MSRP: $20.29
You Save: $0.89 (5%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: BEARING KIT, Engine Connecting Rod
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1995 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 8 Cyl 5.0L, 8 Cyl 5.7L
View related parts
Chevrolet C1500 BEARING KIT, Engine Connecting Rod
Part Number: 12329412
Product Specifications
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1991 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 8 Cyl 7.4L
View related parts
Chevrolet C1500 BEARING KIT, Engine Connecting Rod
Part Number: 12329716
Product Specifications
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1991 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 8 Cyl 7.4L
View related parts
Chevrolet C1500 Bearing Kit,Connect Rod
Part Number: 12361491
Product Specifications
- Other Name: BEARING KIT, Engine Connecting Rod
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1995 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 6 Cyl 4.3L
View related parts
Chevrolet C1500 Bearing Pkg, Rod (.002 Us)(Service Pkg)
Part Number: 12329410
Product Specifications
- Other Name: BEARING KIT, Engine Connecting Rod
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1991 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 8 Cyl 7.4L
View related parts
Chevrolet C1500 Bearing Kit,Connect Rod
Part Number: 12361490
Product Specifications
- Other Name: BEARING KIT, Engine Connecting Rod; Bearing
- Replaces: 18012482
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1995 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 6 Cyl 4.3L
View related parts
Chevrolet C1500 Bearing Kit,Connect Rod (.020 U/S)
Part Number: 12329427
Product Specifications
- Other Name: BEARING KIT, Engine Connecting Rod
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1995 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 8 Cyl 5.0L, 8 Cyl 5.7L
View related parts
Chevrolet C1500 Bearing Pkg, Rod (.010 Us)(Service Pkg)
Part Number: 12329411
Product Specifications
- Other Name: BEARING KIT, Engine Connecting Rod
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1991 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 8 Cyl 7.4L
View related parts
Chevrolet C1500 Bearing Pkg, Main (.001 Us)(Service Pkg)
Part Number: 12329724
Product Specifications
- Other Name: BEARING, Engine Crankshaft Main; Bearing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1991 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 8 Cyl 7.4L
View related parts
Chevrolet C1500 Bearing Pkg, Rod (.010)
Part Number: 12523926
Product Specifications
- Other Name: BEARING KIT, Engine Connecting Rod
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1999 Chevrolet C1500 | C1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX | 8 Cyl 5.0L, 8 Cyl 5.7L

Chevrolet C1500 Rod Bearing Parts Questions & Experts Answers

Bearing ,Connect Rod
12517006
Q: What are the causes and prevention methods for bearing failure during an engine overhaul?
A: When an engine is being overhauled, the main and connecting rod bearings should be replaced with new ones. Nevertheless, the old bearings must be kept for examination because they can tell a lot about the condition of the engine. Bearing failure may arise due to various causes including absence of lubrication, presence of dirt or foreign particles, overloading of the engine and corrosion. Regardless of the cause, avoiding future bearing failures requires that one rectifies the current failure before reassembling the engine. In referencing to any issues that may exist in relation to a corresponding crankshaft journal, these bearings should be taken from the engine block and main bearing caps as well as from connecting rods and rod caps and arranged on a clean surface in their original positions. Foreign material and dirt can enter into engines through improper assembly; passing by filters/PCV system or even present in oil. These particles sink into soft bearing material causing damage to it. This type of bearing failure can be prevented by regular cleaning of engine components and frequent oil and filter changes. Insufficient lubrication results from excessive heat; overloading; oil leakage or throw off; blocked oil passages etc. Such wiping leads to overheating when there is not enough lubrication whereby bearing material is wiped or extruded out from steel backing plates. Driving habits such as full throttle open throttle operation, short trip driving at low speeds in high gears also affect bearing life. Due to such habits we can experience high loads on bearings, which cause flexing, fatigue failure/corrosion. Poorly installed bearings during engine assembly like tight fitted bearings or trapped dirt/foreign particles have also been known to cause failures.

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