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Dumb question: overheating

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Old Jan 10, 2016 | 11:46 PM
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hockeyfan_83's Avatar
hockeyfan_83
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Year: 1998
Model: Cherokee
Engine: 4.0 L
Default Dumb question: overheating
Why does a head gasket leak cause overheating? Especially when there isn't a significant loss of coolant.
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Old Jan 11, 2016 | 11:07 AM
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From: west chester, pa
Year: 1999
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Originally Posted by hockeyfan_83
Why does a head gasket leak cause overheating? Especially when there isn't a significant loss of coolant.
why do u ask that? Do u have a 2000-2001 4.0?
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Old Jan 11, 2016 | 05:40 PM
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No. I have a 98 4.0, I don't believe the head is cracked if that's what you're getting at.
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Old Jan 11, 2016 | 06:14 PM
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Because you're blowing hot exhaust gases and compression into the cooling system.
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