How to remove and reinstall a cylinder head on Chevrolet Cobalt?

Don't try removing the cylinder head until the engine has completely cooled down to avoid distorting the head. Have new head bolts on hand before starting this project. Start by disconnecting the negative battery cable. After letting the engine cool, drain the coolant system completely. Take out the drivebelt and drivebelt tensioner. Next, remove the exhaust manifold and intake manifold. Then you can take off the timing chain. Label all electrical connectors obstructing cylinder head removal and mark each connector for reassembly as necessary. Remove head bolts running in opposite direction of tightening sequence then throw them away one by one. Loosen bolts incrementally by a quarter-turn.Camshafts, rocker arms, and hydraulic lash adjusters if necessary for a full head overhaul should be removed using a prybar at corners of gasket sealing surfaces between head-to-block mating surface avoiding prying in gasket sealing area.Lift on hammer with wood block,to get it going if difficult to lift out.Take care not to damage or scratch gasket sealing surfaces when placing cylinder heads on wood blocks.Remove old-style cylinder head gasket keeping track of its position so that it can be installed properly next time around.The carbon from both mating surfaces on the block and cylinder head is scraped off using a gasket scraper which is followed by wiping with lacquer thinner or acetone.Do not let debris fall into cylinders wrap open areas of motor with rags and use vacuum cleaner to suck any up.Examine engine block and cylinerhead matting services for damages.Straighten up those threaded holes on your block clean them up with tap.Position new gasket over dowels placed in an engine block ensuring that even while installing cylinder heads it will not move.Install new top end bolts starting two steps following manufacturer's procedure.To install camshaft sprocket, attach exhaust manifolsd, install intake plenum etc., just reverse order for remaining installation steps.Reconnect battery, change oil and filter, fill cooling system and start engine making sure that there are no leaks of the coolant or oil.

Genuine Chevrolet Cobalt Cylinder Head

Head

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

7 Cylinder Heads found

View related parts
Chevrolet Cobalt Cylinder Head (Service Partial)
Part Number: 12624550
$631.14 MSRP: $992.38
You Save: $361.24 (37%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Head,Cyl (Service Partial); Cylinder Head
- Replaces: 12605265
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2010 Chevrolet Cobalt | 2 DOOR, 4 DOOR, LEVEL 4 PERFORMANCE/SC (SS) 2 DOOR, LEVEL 4 PERFORMANCE/SC (SS) 4 DOOR, LEVEL ONE (LS) 2 DOOR, LEVEL ONE (LS) 4 DOOR, LEVEL THREE (SS) 2 DOOR, LEVEL THREE (SS) 4 DOOR, LEVEL TWO (LT) 2 DOOR, LEVEL TWO (LT) 4 DOOR | 4 Cyl 2.2L, 4 Cyl 2.4L
View related parts
Chevrolet Cobalt Cylinder Head Assembly (Service Partial)
Part Number: 12624549
$432.86 MSRP: $679.82
You Save: $246.96 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Head Assembly, Cyl (Service Partial) ; Head, Engine Cylinder; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2010 Chevrolet Cobalt | 2 DOOR, 4 DOOR, LEVEL 4 PERFORMANCE/SC (SS) 2 DOOR, LEVEL 4 PERFORMANCE/SC (SS) 4 DOOR, LEVEL ONE (LS) 2 DOOR, LEVEL ONE (LS) 4 DOOR, LEVEL TWO (LT) 2 DOOR, LEVEL TWO (LT) 4 DOOR | 4 Cyl 2.2L
View related parts
Chevrolet Cobalt Cylinder Head Assembly (Remanufacture)
Part Number: 19256814
$273.14 MSRP: $348.56
You Save: $75.42 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Head Asm,Cyl (Remanufacture) ; Head, Engine Cylinder
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2006 Chevrolet Cobalt | 2 DOOR, 4 DOOR, LEVEL 4 PERFORMANCE (SS) 2 DOOR, LEVEL 4 PERFORMANCE/SC (SS) 2 DOOR, LEVEL ONE (LS) 2 DOOR, LEVEL ONE (LS) 4 DOOR, LEVEL THREE (SS) 2 DOOR, LEVEL THREE (SS) 4 DOOR, LEVEL TWO (LT) 2 DOOR, LEVEL TWO (LT) 4 DOOR | 4 Cyl 2.2L
View related parts
Chevrolet Cobalt Engine Cylinder Head
Part Number: 12616487
$647.76 MSRP: $1069.47
You Save: $421.71 (40%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Head,Cyl(Machining) With Cams ; Head, Engine Cylinder; Cylinder Head
- Replaces: 12622906
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2010 Chevrolet Cobalt | LEVEL 4 PERFORMANCE/SC (SS) 2 DOOR, LEVEL 4 PERFORMANCE/SC (SS) 4 DOOR | 4 Cyl 2.0L
View related parts
Chevrolet Cobalt Cylinder Head Assembly (Machining)
Part Number: 12626384
$409.18 MSRP: $642.49
You Save: $233.31 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Head Assembly, Cyl (Machining)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2010 Chevrolet Cobalt | LEVEL 4 PERFORMANCE/SC (SS) 2 DOOR, LEVEL 4 PERFORMANCE/SC (SS) 4 DOOR | 4 Cyl 2.0L
View related parts
Chevrolet Cobalt Cylinder Head Assembly (Service Partial)
Part Number: 12593736
Product Specifications
- Other Name: Head Asm,Cyl (Service Partial) ; Head, Engine Cylinder; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 Chevrolet Cobalt | LEVEL 4 PERFORMANCE (SS) 2 DOOR, LEVEL 4 PERFORMANCE/SC (SS) 2 DOOR | 4 Cyl 2.0L
View related parts
Chevrolet Cobalt Cylinder Head Assembly With Valve
Part Number: 12607693
Product Specifications
- Other Name: Head Assembly, Cyl (W/ Valve); Cylinder Head
- Replaces: 19256978
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2008 Chevrolet Cobalt | 2 DOOR, 4 DOOR, LEVEL 4 PERFORMANCE/SC (SS) 2 DOOR, LEVEL ONE (LS) 2 DOOR, LEVEL ONE (LS) 4 DOOR, LEVEL THREE (SS) 2 DOOR, LEVEL THREE (SS) 4 DOOR, LEVEL TWO (LT) 2 DOOR, LEVEL TWO (LT) 4 DOOR | 4 Cyl 2.2L

Chevrolet Cobalt Cylinder Head

Chevrolet Cobalt Cylinder Head is the airtight ceiling of each combustion chamber that encourages engine breathing while sealing compression for strong power. The Cylinder Head contains passages for intake and exhaust, which guide fresh air and gas into the interactive part and hot gases out of the cylinders. The spark plug ignites the charge on the pistons, which pushes them along on their cycle. Earlier designs utilized robust cast iron for the Cylinder Head. However, following performance tendencies began to favor lightweight aluminum designs. These were lighter than iron, dissipated heat much quicker, tolerated a higher compression ratio without degradation, and overall improved the power to weight ratio of the car. No matter the material applied, the Cylinder Head makes use of torque to yield head bolts that purposely stretch to lock the head gasket tight. Therefore, it prevents coolant, oil, and combustion from mixing. The Cylinder Head can leak fluids, cause valves to burn, or drop compression in a single cylinder, which will cause the Chevrolet Cobalt to misfire or overheat until it is repaired or replaced if warping, cracks, or worn guides appear. By ensuring a smooth shape for the port, the Chevrolet Cobalt engine is able to draw in greater air, thus enabling it to accelerate more briskly.

Each OEM Chevrolet Cobalt Cylinder Head 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 Cobalt Cylinder Head Parts Questions & Experts Answers

Cylinder Head (Service Partial)
12624550
Q: How to remove and reinstall a cylinder head on Chevrolet Cobalt?
A:
Don't try removing the cylinder head until the engine has completely cooled down to avoid distorting the head. Have new head bolts on hand before starting this project. Start by disconnecting the negative battery cable. After letting the engine cool, drain the coolant system completely. Take out the drivebelt and drivebelt tensioner. Next, remove the Exhaust Manifold and Intake Manifold. Then you can take off the Timing Chain. Label all electrical connectors obstructing cylinder head removal and mark each connector for reassembly as necessary. Remove head bolts running in opposite direction of tightening sequence then throw them away one by one. Loosen bolts incrementally by a quarter-turn.Camshafts, rocker arms, and hydraulic Lash Adjusters if necessary for a full head overhaul should be removed using a prybar at corners of gasket sealing surfaces between head-to-block mating surface avoiding prying in gasket sealing area.Lift on hammer with wood block,to get it going if difficult to lift out.Take care not to damage or scratch gasket sealing surfaces when placing cylinder heads on wood blocks.Remove old-style cylinder head gasket keeping track of its position so that it can be installed properly next time around.The carbon from both mating surfaces on the block and cylinder head is scraped off using a gasket scraper which is followed by wiping with lacquer thinner or acetone.Do not let debris fall into cylinders wrap open areas of motor with rags and use vacuum cleaner to suck any up.Examine engine block and cylinerhead matting services for damages.Straighten up those threaded holes on your block clean them up with tap.Position new gasket over dowels placed in an engine block ensuring that even while installing cylinder heads it will not move.Install new top end bolts starting two steps following manufacturer's procedure.To install camshaft sprocket, attach exhaust manifolsd, install intake plenum etc., just reverse order for remaining installation steps.Reconnect battery, change oil and filter, fill cooling system and start engine making sure that there are no leaks of the coolant or oil.