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Tech Tip: How Can You Tell if a Head Gasket is Leaking or Has Failed? Wilmington DE

Depending on the application and how much labor it requires, the repair bill might run $1,500 or more for parts and labor. The parts required to replace a head gasket include not only the head gasket itself, but also all the other gaskets that have to be replaced to disassemble the top of the engine.

Wilmington Neighborhoods

This page also contains providers and other information for the following Wilmington neighborhoods: Ballymeade, Brandywine HIlls, Mermaid, Browntown and covering the following zip codes: 19810, 19802, 19808, 19805

Newport Auto Center
(302) 444-6163
307 W Newport Pike
Wilmington, DE
AAMCO of Prospect Park
(484) 451-5370
746 Chester Pike
Prospect Park, PA
Autozone
(302) 764-5282
3600 N Market St
Wilmington, DE
Maaco Auto Body Shop and Collision Center
302-762-5777
2400 Governor Printz Blvd
Wilmington, DE
Innovative Automotive Repair
50 Germay Dr
Wilmington, DE
Allstate Automotive Service
(302) 415-3954
1526 Kirkwood Highway
Newark, DE
Autozone
(610) 532-6500
213 S Chester Pike
Glenolden, PA
AutoZone
(302) 764-5282
3600 N Market St
Wilmington, DE
Napa Auto Parts
(302) 994-4494
407 Meco Dr Ste A
Wilmington, DE
AutoZone
(302) 421-8330
1810 Lancaster Ave
Wilmington, DE
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Tech Tip: How Can You Tell if a Head Gasket is Leaking or Has Failed?

By Larry Carley   email
Technical Editor
November 10, 2009

The first symptoms of a head gasket that is failing are usually a slow loss of coolant with no visible leaks, engine overheating and/or a Check Engine light with cylinder misfire codes.

The first symptoms of a head gasket that is failing are usually a slow loss of coolant with no visible leaks, engine overheating and/or a Check Engine light with cylinder misfire codes.

The Onboard Diagnostic II system should detect any misfires that occur due to a loss of compression or spark plugs fouled by coolant seeping into a combustion chamber. So if a vehicle has a Check Engine light on and a cylinder misfire code, the spark plug in that cylinder should be removed and inspected for coolant fouling. A compression or leak down test should also be done to see if the cylinder is losing compression. Internal coolant leaks caused by a leaky head gasket can usually be diagnosed by pressure testing the cooling system.

Regardless of the cause, a head gasket failure is bad news for the vehicle owner.

Depending on the application and how much labor it requires, the repair bill might run $1,500 or more for parts and labor. The parts required to replace a head gasket include not only the head gasket itself, but also all the other gaskets that have to be replaced to disassemble the top of the engine. This includes the intake and exhaust manifold gaskets, too, plus new cylinder head bolts if the applicat...

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