Issues lining up cam gears when replacing timing belt
Posted in the Chevrolet Aveo Forum
#1 Oct 15, 2009
Has any one here replaced the timing belt on their own? I'm having trouble getting the cam gears on my 2004 to line up after installing the new belt. Does any one have any suggestions or tips? Thanks!
#2 Oct 15, 2009
I don't know if this is too late to help you but this guy posted an excellent guide to changing the timing belt. He indicates how to keep the cams aligned---
#3 Aug 8, 2011
Help I am not getting any compression after changing the timing belt and idler wheel on my 2005 Chevy Aveo. The scanner comes up with 4 codes I am trying to find out what they mean . My Chevy Aveo quit going down the road at 70 mph I Changed the timing belt and idler wheel , The belt was not broke but the idler wheel was. It never made a noise never gave me any trouble at all no warnings at all. No lights came on or anything it has 176thousand miles on her. The 4 codes are
Can anyone help me.
#4 Nov 29, 2011
We bought our manual 5 speed Aveo brand new off the lot for 9,500 cash and loved it overall, that is until ive had to tow it far from home twice already. The first time the timing belt broke at 48,000 miles so it was replaced thinking maybe it was a fluke. The car got stuck again on the highway at 108,000 miles. I thought maybe she ran it out of gas or something. It was the timing belt again!!!! These are highway miles. Since then we bought another new car and I parked The Aveo in my , no excuse me ,I towed the Aveo to my aunts garage and there it sits until I decide how to fix and get rid of it.I don't need to get stuck again ,especially during a Michigan winter !!!
#5 Apr 8, 2013
Start by setting the cam timing. The way I did this was to rotate the intake cam counter clockwise about two teeth until the timing mark on THAT gear is LEVEL. Prop a 17mm wrench on it to keep it from moving clockwise. Then rotate the exhaust cam clockwise until the mark on that gear lines up with the one on the intake cam gear. The exhaust side should stay put without having to prop a wrench on it. The Cam timing marks should line up roughly with the bottom of the square indent in the cam sensor located roughly in the middle of the cam sensor (The thing with wires coming out of it behind and between your cam gears).
Now set the crankshaft timing mark a tooth or two BEFORE the crank marks line up and put the belt on the crankshaft gear... then over the idler pulley.... then over the exhaust gear.... then over the intake gear....then over the tensioner pulley and finally the water pump gear. Rotate the crank gear clockwise until the timing marks line up on the crankshaft(This takes the slack out of the belt to the right of the crankshaft which if done right will keep your timing marks from becoming misaligned after tightening the belt .
I am obviously a DIYer and I am sure allot of the more experienced guys are kringing while reading my post. My method worked for me and I have had no problems since! If you have questions I would be happy to explain further firstname.lastname@example.org
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