My just cut off on me while I was driving. Ran hot. It will turn over but will not stay running.
Friday, March 2nd, 2018 AT 5:48 PM
8 Replies
ASEMASTER6371
MECHANIC
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Good evening.
Do you know the engine size?
Roy
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Friday, March 2nd, 2018 AT 5:51 PM
MARKEE JACKSON
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4.5 liter V8.
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Friday, March 2nd, 2018 AT 6:00 PM
ASEMASTER6371
MECHANIC
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Okay, you need three things to run, spark, fuel and compression.
Since it ran hot, I would start with compression. Those aluminum engines cannot take overheating without damaging the head gaskets.
Start there.
Roy
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Friday, March 2nd, 2018 AT 6:04 PM
MARKEE JACKSON
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How can I tell if it’s a blown head gasket?
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Friday, March 2nd, 2018 AT 6:09 PM
ASEMASTER6371
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A compression test will be a good start. Low compression is an indicator, while the plugs are out for this test, a leak down test will confirm. That is a tool that injects air into the cylinder and you watch for coolant movement in the radiator.
Roy
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Friday, March 2nd, 2018 AT 6:12 PM
MARKEE JACKSON
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Okay thanks.
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Friday, March 2nd, 2018 AT 6:14 PM
ASEMASTER6371
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You are welcome.
Roy
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+1
Friday, March 2nd, 2018 AT 6:17 PM
RYAN L
ADMIN
256 POSTS
Hello MARKEE JACKSON,
Here is a link to an informative article with step by step written instructions, pictures and a YouTube video on how to conduct a compression test: