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pressure in block very high
Posted to Technical Discussion Forum on 1/9/2018 27 Replies



Ihave a 3.4 that builds really high coolant pressure fast in the [...] will also overheat and no hot air on heater.I am thinking head gasket letting combustion in but shouldnt it relax pressure when u shut it off. Login to read more.

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car Vehicle Data

2008 Chevrolet Equinox LT 3.4L

Engine3.4 L
Trans5-speed Automatic (Electronic)

car Vehicle Data

2008 Chevrolet Equinox LT 3.4L

Engine3.4 L
Trans5-speed Automatic (Electronic)