T White
Probationary Member
- 3
- 0
- Feb 21, 2014
-
St George,
Utah
I did my first timing belt a fue months ago and made the mistake of following the directions off some random internet fourm. Per his instruction I lined up all my marks before putting my new belt on then when I released my tensioner and rotated it twice and lined up my cam marks the crank was just a hair behind one on housing. I have since learned was suppose to be a hair ahead so would line up after the tensioner pin was pulled It's had a semirough idle since but when I'm actually going it runs fine so havnt payed it much attention. Was bored at work today so had one of the guys in the shop do a compression test on it and it was horrible!! Starting with cylinder one it goes 180 135 30 180. Was worried was rings so did a wet test and stayed at 30 so hooked up an air house and did a pressure test. Couldn't hear air comming out of intake, oil cap, or radiator but was a slight amount from exhaust. I don't think it's a dead hole because it runs fine and I don't think it's not off enough to bend valves because I've auto crossed it 3 times since I did the belt and I figure if it was gunna hurt anything it would of when it was redlined hah. Could my bad compression be from the valves not closing all the way because timing is off? And is my timing advanced or retarded? When the cam marks are lined up the crank is slightly behind the one on housing. I'm gunna redo the belt next week was just wondering if you guys thought that would fix my problem or if I should start searching the junk yards for a motor. Sorry for the punctuation typing on my phone and the screen is tiny.