How should one inspect the cylinder head for cracks and warpage, and what steps should be taken if issues are found in V8 engine on Oldsmobile Cutlass?

Carefully inspect the head for cracks around and inside the exhaust ports, combustion chambers, or external cracks to the water chamber. Check the valve stem-to-bore clearance using a dial indicator by placing a valve in its installed position with the valve head slightly off its seat. Attach a dial indicator to the head, touching the valve stem where it exits, and move the valve from side to side, noting the movement on the dial. If the clearance exceeds specifications, an oversize valve must be used after reaming the valve guide, which should be handled by a dealer or machine shop. Excessive clearance can lead to high oil consumption, while insufficient clearance may cause noisy operation and valve sticking. Inspect each valve spring and its damper, replacing any that are deformed, cracked, or broken. Check valve spring tension using GM tool J-8056 by compressing the springs to a specified height and measuring the required tension without the dampers; if not within 10 lbs of the specified load, replace the spring. Inspect rocker arm bolts or studs for wear or damage, and check push rods for warping by rolling each on a clean, flat piece of glass, replacing any that are not perfectly straight or free from damage. Check the cylinder head for warpage by placing a straightedge across its length and measuring gaps with a feeler gauge at three points across the head gasket surface and diagonally. If warpage exceeds 0.006 in at any point with a straightedge spanning the entire head, resurfacing is necessary. Using a straightedge with a span of 6 inches, warpage should not exceed 0.003 in, and resurfacing should be performed by a professional automotive machine shop. Note that resurfacing the cylinder head will slightly alter the intake manifold position, requiring proportional resurfacing of the manifold.

Genuine Oldsmobile Cutlass Cylinder Head

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18 Cylinder Heads found

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Oldsmobile Cutlass Engine Cylinder Head (W/Valve)
Part Number: 12360424
$1008.05 MSRP: $1303.23
You Save: $295.18 (23%)
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Product Specifications
- Other Name: Head,Cyl(W/Valve); Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993-1996 Oldsmobile Cutlass | S 4 DOOR, S STATION WAGON, SL 4 DOOR, SL STATION WAGON | 4 Cyl 2.2L
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Oldsmobile Cutlass Cylinder Head Assembly (Machining)
Part Number: 24570716
$151.78 MSRP: $927.68
You Save: $775.90 (84%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Head Assembly, Cyl (Machining); Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1991 Oldsmobile Cutlass | 2 DOOR, 4 DOOR | 4 Cyl 2.3L
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Oldsmobile Cutlass Engine Cylinder Head
Part Number: 10087509
Product Specifications
- Other Name: Head, Engine Cylinder; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989 Oldsmobile Cutlass | 2 DOOR, 4 DOOR | 6 Cyl 3.1L
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Oldsmobile Cutlass F, Head, Reman
Part Number: 12337563
Product Specifications
- Other Name: F, Head, Rem
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1987 Oldsmobile Cutlass | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR, CUTLASS CALAIS, CUTLASS CRUISER, LS 2 DOOR, LS 4 DOOR, LS STATION WAGON | 6 Cyl 3.0L, 6 Cyl 3.8L
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Oldsmobile Cutlass Engine Cylinder Head
Part Number: 24507577
Product Specifications
- Other Name: Head,Cyl; Cylinder Head
- Replaces: 10218168
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999 Oldsmobile Cutlass | SEDAN LEVEL I, SEDAN LEVEL II | 6 Cyl 3.1L
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Oldsmobile Cutlass Cylinder Head Assembly
Part Number: 12575059
Product Specifications
- Other Name: Head Assembly, Cyl ; Head, Engine Cylinder; Cylinder Head
- Replaces: 10048649
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1993 Oldsmobile Cutlass | 2 DOOR, 4 DOOR, BROUGHAM 4 DOOR, BROUGHAM SL 2 DOOR, BROUGHAM STATION WAGON, INTERNAL 2 DOOR, INTERNAL 4 DOOR, SL 2 DOOR, SL 4 DOOR, SL STATION WAGON, STATION WAGON | 6 Cyl 2.8L, 6 Cyl 3.1L
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Oldsmobile Cutlass Cylinder Head Assembly
Part Number: 25527516
Product Specifications
- Other Name: Head Assembly, Cyl; Cylinder Head
- Replaces: 25523344
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986-1988 Oldsmobile Cutlass | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR NOTCHBACK, BROUGHAM 4 DOOR, BROUGHAM SL 2 DOOR, BROUGHAM STATION WAGON, LS 2 DOOR NOTCHBACK, LS 4 DOOR, LS STATION WAGON, S 2 DOOR, STATION WAGON
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Oldsmobile Cutlass Cylinder Head Kit
Part Number: 12360333
Product Specifications
- Other Name: Head Kit,Cyl
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1984 Oldsmobile Cutlass | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR, LS 2 DOOR, LS 4 DOOR, LS STATION WAGON | 4 Cyl 2.5L
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Oldsmobile Cutlass Cylinder Head Assembly
Part Number: 22530557
Product Specifications
- Other Name: Head Assembly, Cylinder; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1987 Oldsmobile Cutlass | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR, CUTLASS CALAIS, CUTLASS CRUISER | 8 Cyl 4.3L, 8 Cyl 5.0L
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Oldsmobile Cutlass Cylinder Head Assembly
Part Number: 24503314
Product Specifications
- Other Name: Head Assembly, Cyl; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996 Oldsmobile Cutlass | 2 DOOR, 4 DOOR | 6 Cyl 3.4L
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Oldsmobile Cutlass Cylinder Head Kit
Part Number: 12360337
Product Specifications
- Other Name: Head Kit,Cyl; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1992 Oldsmobile Cutlass | 2 DOOR, 4 DOOR, S 2 DOOR, S 4 DOOR, S STATION WAGON, SL 2 DOOR, SL 4 DOOR, SL STATION WAGON, STATION WAGON | 4 Cyl 2.5L
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Oldsmobile Cutlass Cylinder Head
Part Number: 10154745
Product Specifications
- Other Name: Head,Cyl
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993-1996 Oldsmobile Cutlass | 2 DOOR, 4 DOOR, INTERNAL 2 DOOR, INTERNAL 4 DOOR, S 4 DOOR, S STATION WAGON, SL 4 DOOR, SL STATION WAGON | 6 Cyl 3.1L
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Oldsmobile Cutlass Cylinder Head Kit
Part Number: 12360335
Product Specifications
- Other Name: Head Kit,Cyl; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1986 Oldsmobile Cutlass | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 2 DOOR NOTCHBACK, BROUGHAM 4 DOOR, BROUGHAM SL 2 DOOR, LS 2 DOOR, LS 2 DOOR NOTCHBACK, LS 4 DOOR, LS STATION WAGON, S 2 DOOR | 4 Cyl 2.5L
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Oldsmobile Cutlass Cylinder Head Assembly
Part Number: 24501420
Product Specifications
- Other Name: Head Assembly, Cyl; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993 Oldsmobile Cutlass | S 4 DOOR, S STATION WAGON, SL 4 DOOR, SL STATION WAGON | 6 Cyl 3.3L
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Oldsmobile Cutlass Cylinder Head Assembly
Part Number: 12575061
Product Specifications
- Other Name: Head Asm,Cyl ; Head, Engine Cylinder; Cylinder Head
- Replaces: 24503767
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1999 Oldsmobile Cutlass | 2 DOOR, 4 DOOR, SC 2 DOOR, SEDAN LEVEL I, SEDAN LEVEL II, SL 4 DOOR | 6 Cyl 3.1L
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Oldsmobile Cutlass Cylinder Head Kit
Part Number: 12360340
Product Specifications
- Other Name: Head Kit,Cyl; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987 Oldsmobile Cutlass | 2 DOOR, 4 DOOR, BROUGHAM 4 DOOR, BROUGHAM SL 2 DOOR, BROUGHAM STATION WAGON, STATION WAGON | 4 Cyl 2.5L
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Oldsmobile Cutlass Cylinder Head
Part Number: 14054884
Product Specifications
- Other Name: Head, Cyl
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986 Oldsmobile Cutlass | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR NOTCHBACK, BROUGHAM 4 DOOR, BROUGHAM SL 2 DOOR, LS 2 DOOR NOTCHBACK, LS 4 DOOR, LS STATION WAGON, S 2 DOOR | 6 Cyl 2.8L
View related parts
Oldsmobile Cutlass Cylinder Head Assembly (Machining)
Part Number: 10162077
Product Specifications
- Other Name: Head Assembly, Cyl (Machining); Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1995 Oldsmobile Cutlass | 2 DOOR, 4 DOOR, INTERNAL 2 DOOR, INTERNAL 4 DOOR | 6 Cyl 3.4L

Oldsmobile Cutlass Cylinder Head

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Oldsmobile Cutlass Cylinder Head Parts Questions & Experts Answers

F, Head, Reman
12337563
Q: How should one inspect the cylinder head for cracks and warpage, and what steps should be taken if issues are found in V8 engine on Oldsmobile Cutlass?
A: Carefully inspect the head for cracks around and inside the exhaust ports, combustion chambers, or external cracks to the water chamber. Check the valve stem-to-bore clearance using a dial indicator by placing a valve in its installed position with the valve head slightly off its seat. Attach a dial indicator to the head, touching the valve stem where it exits, and move the valve from side to side, noting the movement on the dial. If the clearance exceeds specifications, an oversize valve must be used after reaming the valve guide, which should be handled by a dealer or machine shop. Excessive clearance can lead to high oil consumption, while insufficient clearance may cause noisy operation and valve sticking. Inspect each valve spring and its damper, replacing any that are deformed, cracked, or broken. Check valve spring tension using GM tool J-8056 by compressing the springs to a specified height and measuring the required tension without the dampers; if not within 10 lbs of the specified load, replace the spring. Inspect rocker arm bolts or studs for wear or damage, and check push rods for warping by rolling each on a clean, flat piece of glass, replacing any that are not perfectly straight or free from damage. Check the cylinder head for warpage by placing a straightedge across its length and measuring gaps with a feeler gauge at three points across the head gasket surface and diagonally. If warpage exceeds 0.006 in at any point with a straightedge spanning the entire head, resurfacing is necessary. Using a straightedge with a span of 6 inches, warpage should not exceed 0.003 in, and resurfacing should be performed by a professional automotive machine shop. Note that resurfacing the cylinder head will slightly alter the Intake Manifold position, requiring proportional resurfacing of the manifold.

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