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SadMike's avatar
SadMike
Explorer
Dec 10, 2013

454 /water in Cylinder 7 and coming out of exhaust pipe

I really need some help. I purchased a 1990 Fleetwood Bounder 34' with a GMC 454 in Oct 2013. I bought in Denver and from there I headed down to Arizona were I was for about 1 month. I drove for maybe...
sum1's avatar
sum1
Explorer
Dec 10, 2013
A simple coolant pressure test can tell a lot for cheap before you tear things apart. Sometimes it will leak down and show where the failure lies when cold, sometimes more when hot.

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