How to examine and measure the crankshaft, bearings, and connecting rod side-clearance for proper condition in V8 engine on Chevrolet Caprice?

Examine the crank pin and main journal surfaces for scoring, scratches, or corrosion; if any are evident, the crankshaft will need professional regrinding. Measure each journal and crank pin at several different points for ovality using a micrometer; if the ovality exceeds 0.001 inch, regrinding is necessary, and undersized bearings are available, though typically the correct matching bearings will be supplied with a reconditioned crankshaft from a GM dealer. After high mileage, main bearings and connecting rod bearings may wear, leading to excessive running clearance, which should be checked using a product like 'Plastigage' after refitting the original bearings and caps and tightening the cap bolts to the specified torque settings. Never attempt to correct excessive running clearance by filing the caps; instead, fit new shell bearings after checking the crankshaft journals and crank pins for ovality and confirming their diameters are standard or regrind sizes. Checking the connecting rod bearings follows a similar process, with the correct running clearance provided in the specifications. It is advisable to check the running clearance of rod and main bearings even when new bearings are installed. The crankshaft end play should be assessed by pushing the crankshaft to the extreme front position and using a feeler gauge at the front end of the rear main bearing to determine permissible clearance. Measure the connecting rod side-clearance with a feeler gauge between the connecting rod caps, and if the side clearance is outside the specified tolerance, replace the rod assembly.

Genuine Chevrolet Caprice Crankshaft

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Chevrolet Caprice Engine Crankshaft
Part Number: 10243070
$946.66 MSRP: $1566.80
You Save: $620.14 (40%)
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Product Specifications
- Other Name: Crankshaft, Engine; Crankshaft
- Replaced by: 12691722
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1993 Chevrolet Caprice | 4 DOOR, BROUGHAM 4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC LS 4 DOOR, CLASSIC STATION WAGON, STATION WAGON | 8 Cyl 5.0L
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Chevrolet Caprice Crankshaft Assembly
Part Number: 12670965
$1494.00 MSRP: $1931.49
You Save: $437.49 (23%)
Product Specifications
- Other Name: Crankshaft Asm; Crankshaft
- Replaces: 12556307
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1993 Chevrolet Caprice | 4 DOOR, CLASSIC 4 DOOR, CLASSIC LS 4 DOOR, CLASSIC STATION WAGON, STATION WAGON | 8 Cyl 5.7L
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Chevrolet Caprice Crankshaft KIT(Machining) W/Instruction. Sht.
Part Number: 12350247
Product Specifications
- Other Name: Crankshaft Kit, (Machining) W/Instruction. Sht.; Crankshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1985 Chevrolet Caprice | 4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON, STATION WAGON | 6 Cyl 3.8L
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Chevrolet Caprice Crankshaft (Machine)
Part Number: 22527438
Product Specifications
- Other Name: Crankshaft (Machine) *Machine*; Crankshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986-1990 Chevrolet Caprice | 4 DOOR, BROUGHAM 4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON, STATION WAGON | 8 Cyl 5.0L
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Chevrolet Caprice Engine Crankshaft
Part Number: 10224877
Product Specifications
- Other Name: Crankshaft Asm; Crankshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1993 Chevrolet Caprice | 4 DOOR, CLASSIC 4 DOOR, CLASSIC LS 4 DOOR | 6 Cyl 4.3L
- 1985-1990 Chevrolet Caprice | 4 DOOR, BROUGHAM 4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON, STATION WAGON | 6 Cyl 4.3L
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Chevrolet Caprice Crankshaft
Part Number: 10243911
Product Specifications
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1996 Chevrolet Caprice | CLASSIC 4 DOOR, CLASSIC STATION WAGON, LS 4 DOOR | 8 Cyl 4.3L

Chevrolet Caprice Crankshaft

The Chevrolet Caprice Crankshaft converts the straight up and down thrust of the pistons into smooth, rotary force which ultimately spins the transmission and wheels. It is truly the heart of engine motion. Within the sturdy block, the Crankshaft rides on precision journals, while connecting rods fasten onto offset throws turning reciprocation into rotation on every stroke. Many models of the Caprice utilized a reliable cast iron version that was well suited for daily driving, but the high output police package and performance version took on a forged steel Crankshaft unit that was stronger against the intense loads resulting from greater horsepower. Although the geometry is the same, the forged piece is tougher because the grain structure is compressed. Therefore, the engine can rev higher without bending. Meanwhile, cast iron is preferred for cost and quiet operation. Chevrolet designed the Crankshaft to last the whole service life because of generous oil flow and tight bearing clearances, though neglect can score the journals with grit, widen the gaps and cause a knock. When heavy vibration signals damage, owners must go through a laborious replacement procedure of lifting the engine, loosening the bearing caps in order, inserting a straight, well-greased Crankshaft, torquing the caps back up to spec and returning the Chevrolet Caprice powerplant back to work.

Each OEM Chevrolet Caprice Crankshaft 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.

Chevrolet Caprice Crankshaft Parts Questions & Experts Answers

Engine Crankshaft
10224877
Q: How to examine and measure the crankshaft, bearings, and connecting rod side-clearance for proper condition in V8 engine on Chevrolet Caprice?
A:
Examine the crank pin and main journal surfaces for scoring, scratches, or corrosion; if any are evident, the crankshaft will need professional regrinding. Measure each journal and crank pin at several different points for ovality using a micrometer; if the ovality exceeds 0.001 inch, regrinding is necessary, and undersized bearings are available, though typically the correct matching bearings will be supplied with a reconditioned crankshaft from a GM dealer. After high mileage, main bearings and connecting Rod Bearings may wear, leading to excessive running clearance, which should be checked using a product like 'Plastigage' after refitting the original bearings and caps and tightening the cap bolts to the specified torque settings. Never attempt to correct excessive running clearance by filing the caps; instead, fit new shell bearings after checking the crankshaft journals and crank pins for ovality and confirming their diameters are standard or regrind sizes. Checking the connecting rod bearings follows a similar process, with the correct running clearance provided in the specifications. It is advisable to check the running clearance of rod and main bearings even when new bearings are installed. The crankshaft end play should be assessed by pushing the crankshaft to the extreme front position and using a feeler gauge at the front end of the rear main bearing to determine permissible clearance. Measure the connecting rod side-clearance with a feeler gauge between the connecting rod caps, and if the side clearance is outside the specified tolerance, replace the rod assembly.