How to remove and install a cylinder head in 3.8L V6 engine on Pontiac Grand Prix?

Before removing the cylinder head, turn the ignition switch to the 'off' position and then turn the negative battery terminal to disable the Theftlock audio system. Third, remove the spark plug wires, assign them a number and the remove the plugs while disposing the engine oil. Loosen and take off all nuts and bolts that hold the brackets in place to the head, disconnect all wires and hoses from the cylinder head(s) as well supplying them with labels for future reconnection. The intake manifold and the exhaust manifold(s) have to be removed from the cylinder head(s) and then the rocker arm cover(s) together with the rocker arms and the pushrods. If the rear cylinder head is to be removed, it is advisable to pull out the alternator for some versions of the car, or the power steering pump for later models, besides, the water bypass hoses and belt tensioner must be removed. untighten the head bolts about 1/4 turn at a time, then remove the head very carefully so as not to scratch the head mating surfaces. After removal it is required to put the head on wooden blocks in order to protect gasket surfaces. However, for installation, the two mating surfaces of the cylinder heads and block must be clean, where the gasket scraper and cleaning with lacquer thinner or acetone is used. Examine the area that is engaged in joining for any form of damage and use a tap to remove any dirt that may be in the thread of the head bolt holes. Install new gaskets over the dowel pins, use of adhesives if required and then put the heads on the block in a manner that does not affect the gaskets. Replace with new head bolts using thread sealer and tighten them as per the recommended steps for three times. Lastly, do the following to reinstall: In the first place, reverse all the steps used in the removal process and also change the oil and filter.

Genuine Pontiac Grand Prix Cylinder Head

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14 Cylinder Heads found

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Pontiac Grand Prix Head Assembly, Cyl (W/ Valve)
Part Number: 12629058
$671.65 MSRP: $1063.87
You Save: $392.22 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: HEAD, Engine Cylinder; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2008 Pontiac Grand Prix | 4 DOOR, GT 4 DOOR, GT2 4 DOOR, GTP 4 DOOR, GXP 4 DOOR | 8 Cyl 5.3L
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Pontiac Grand Prix Cylinder Head Assembly (Machining)
Part Number: 24570716
$151.78 MSRP: $927.68
You Save: $775.90 (84%)
Ships in 1-2 Business Days
ADD TO CART
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 Pontiac Grand Prix | 2 DOOR, 4 DOOR, GT 2 DOOR, LE 2 DOOR, SE 2 DOOR, SE 4 DOOR, STE 4 DOOR | 4 Cyl 2.3L
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Pontiac Grand Prix Cylinder Head Assembly
Part Number: 12586926
$353.92 MSRP: $556.89
You Save: $202.97 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Head Assembly, Cyl ; Head, Engine Cylinder; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003 Pontiac Grand Prix | SE 4 DOOR | 6 Cyl 3.1L
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Pontiac Grand Prix Cylinder Head Assembly
Part Number: 24507848
$60.83 MSRP: $95.71
You Save: $34.88 (37%)
Product Specifications
- Other Name: Head Assembly, Cyl ; Head, Engine Cylinder; Cylinder Head
- Replaces: 24503436
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2007 Pontiac Grand Prix | 2 DOOR, 4 DOOR, GT 2 DOOR, GT 4 DOOR, GT2 4 DOOR, GTP 2 DOOR, GTP 4 DOOR, GXP 4 DOOR, SE 4 DOOR | 6 Cyl 3.8L
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Pontiac Grand Prix 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:
- 1989-1990 Pontiac Grand Prix | 2 DOOR, 4 DOOR, LE 2 DOOR, SE 2 DOOR, STE 4 DOOR | 6 Cyl 3.1L
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Pontiac Grand Prix 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 Pontiac Grand Prix | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, LE 2 DOOR, STATION WAGON | 6 Cyl 3.8L, 6 Cyl 4.1L
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Pontiac Grand Prix 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:
- 2000-2002 Pontiac Grand Prix | SE 4 DOOR | 6 Cyl 3.1L
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Pontiac Grand Prix 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:
- 1988-1993 Pontiac Grand Prix | 2 DOOR, 4 DOOR, GT 2 DOOR, LE 2 DOOR, LE 4 DOOR, SE 2 DOOR, SE 4 DOOR, STE 4 DOOR | 6 Cyl 2.8L, 6 Cyl 3.1L
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Pontiac Grand Prix Cylinder Head Assembly
Part Number: 24508132
Product Specifications
- Other Name: Head Assembly, Cyl ; Head, Engine Cylinder; Cylinder Head
- Replaces: 24502259
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2008 Pontiac Grand Prix | 2 DOOR, 4 DOOR, GT 2 DOOR, GT 4 DOOR, GT2 4 DOOR, GTP 2 DOOR, GTP 4 DOOR, GXP 4 DOOR, SE 4 DOOR | 6 Cyl 3.8L
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Pontiac Grand Prix 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 Pontiac Grand Prix | 2 DOOR, 4 DOOR, GT 2 DOOR, SE 2 DOOR, SE 4 DOOR | 6 Cyl 3.4L
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Pontiac Grand Prix 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:
- 1994-1995 Pontiac Grand Prix | 2 DOOR, 4 DOOR, GT 2 DOOR, SE 2 DOOR, SE 4 DOOR | 6 Cyl 3.1L
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Pontiac Grand Prix 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 Pontiac Grand Prix | 2 DOOR, 4 DOOR, GT 2 DOOR, GT 4 DOOR, GTP 2 DOOR, GTP 4 DOOR, SE 2 DOOR, SE 4 DOOR | 6 Cyl 3.1L
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Pontiac Grand Prix 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 Pontiac Grand Prix | 2 DOOR, 4 DOOR, GT 2 DOOR, LE 2 DOOR, LE 4 DOOR, SE 2 DOOR, SE 4 DOOR, STE 4 DOOR | 6 Cyl 3.4L
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Pontiac Grand Prix Cylinder Head Assembly
Part Number: 24507485
Product Specifications
- Other Name: Head Assembly, Cyl ; Head, Engine Cylinder; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000 Pontiac Grand Prix | SE 4 DOOR | 6 Cyl 3.1L

Pontiac Grand Prix Cylinder Head

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Pontiac Grand Prix Cylinder Head Parts Questions & Experts Answers

Cylinder Head Assembly
24507848
Q: How to remove and install a cylinder head in 3.8L V6 engine on Pontiac Grand Prix?
A: Before removing the cylinder head, turn the ignition switch to the 'off' position and then turn the negative battery terminal to disable the Theftlock audio system. Third, remove the spark plug wires, assign them a number and the remove the plugs while disposing the engine oil. Loosen and take off all nuts and bolts that hold the brackets in place to the head, disconnect all wires and hoses from the cylinder head(s) as well supplying them with labels for future reconnection. The intake manifold and the exhaust manifold(s) have to be removed from the cylinder head(s) and then the Rocker Arm cover(s) together with the rocker arms and the Pushrods. If the rear cylinder head is to be removed, it is advisable to pull out the alternator for some versions of the car, or the power steering pump for later models, besides, the water bypass hoses and belt tensioner must be removed. untighten the head bolts about 1/4 turn at a time, then remove the head very carefully so as not to scratch the head mating surfaces. After removal it is required to put the head on wooden blocks in order to protect gasket surfaces. However, for installation, the two mating surfaces of the cylinder heads and block must be clean, where the gasket scraper and cleaning with lacquer thinner or acetone is used. Examine the area that is engaged in joining for any form of damage and use a tap to remove any dirt that may be in the thread of the head bolt holes. Install new gaskets over the dowel pins, use of adhesives if required and then put the heads on the block in a manner that does not affect the gaskets. Replace with new head bolts using thread sealer and tighten them as per the recommended steps for three times. Lastly, do the following to reinstall: In the first place, reverse all the steps used in the removal process and also change the oil and filter.