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Curtis B.
Curtis B., Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 27136
Experience:  Technician turned service manager on multiple lines of trucks and engines, used in industry.
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My air pressure on the dash is 140 primary and 110

Customer Question

My air pressure on the dash is 140 primary and 110 secondary. How do I even those out?
JA: What's the make/model/year of your truck? Engine type?
Customer: 1998 Pete 379 550 cat
JA: Are you fixing your truck yourself? What have you tried so far?
Customer: I haven't tried anything yet. I bought an air governor but haven't replaced it yet. Yes I am working on it myself
JA: Anything else you want the truck mechanic to know before I connect you?
Customer: no
Submitted: 5 months ago.
Category: Medium and Heavy Trucks
Expert:  Curtis B. replied 5 months ago.

Welcome to JUST ANSWER heavy equipment. With years of experience, I look forward to doing my best to help.

Expert:  Curtis B. replied 5 months ago.

Air governor just controls the on /off of the compressor. The air tanks are separated by a check valve, this check valve may need to be replaced, so air can enter and equalize.

Expert:  Curtis B. replied 5 months ago.

I see question is still open, did yo find check valve and clean or replace it? Please rate to close.

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