2CarPros - Car Questions & Answers

1998 Honda Civic Repair Question


Topics covered: Gas, Head gasket, Pressure test.
Mileage: 148,000 miles.

Asked on October 23, 2011

Pressure test question

Hi, i got the cooling system pressure test kit from advance auto. I was wondering whats the most pressure i should i put and how much pressure i need to check the cap. I have a small leak somewhere. Also how would i know if its a head gasket leak theres no coolant in my oil. Ty
Avatar Asked by pmp

Answer

Replied on October 25, 2011

Head gasket leaks can be very hard to verify and sometimes pressure testers are inconclusive. You should not exceed the rated cap pressure by more than a pound or two. The cap pressure should be printed right on it.

Tiny Answered by Wrenchtech (expert)
14,825 answers provided