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Old 12-28-2005, 09:05 PM   #1
emyselfandi
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Default timing belt issues and...

so i'm putting the engine back together and I get it almost finished. I lined up the marks on the cam pullies, and crank gear. Put the belt on and lined up all the lines. Pulled the pin and bolted it back togher (I should have turned the egine over first). Anyway, all bolted up and started it idled fine. Sounded great and didn't give me any vibes. But when I put it in drive and drove down the drive way it would make an noise and shudder every few feet. I'm not sure what is wrong with it... I backed back into the garage and pulled the covers to inspect. I'm not sure what the problem is b/c it all looked okay. So I'm going to buy a new tensioner tomorrow and bolt it all back up.. any ideas???

this timing belt has been a huge PITA.. Between waiting a week and a half for parts from the stealership (never ordered, then no shipments b/c of xmas, etc....). Anyway, this is the last step in the 150K tune up... I want to get it on the road b/c I installed new struts/springs as well... thanks, Tim
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Last edited by emyselfandi; 12-29-2005 at 06:21 PM.
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Old 12-29-2005, 06:22 PM   #2
emyselfandi
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no ideas hu...
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Old 12-29-2005, 08:54 PM   #3
ImprezaVA
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Default Timing Belt Shudder

I don't quite understand the shuttering. Did the motor sound like it was knocking? Did you compress the tensioner vertically or horizontally? You're supposed to compress the tensioner vertically, IIRC.

Be more specific about the sound?

Also, did you remove anything electrical, vacuum hoses, spark plug wires, etc.?

-Charles-
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Old 12-30-2005, 07:37 AM   #4
emyselfandi
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no it didin't sound like a knock.. and I didn't remove any electrical lines except the plugs for the rad and oil pump. both of those are back on. I didn't compress the tensioner vertically but a new one will replace that problem. I'm going to put it together tonight and get everything lined up again. Hopefully it was just off a tooth... I'll let you know. Thanks, Tim
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Old 12-30-2005, 05:56 PM   #5
ImprezaVA
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9 times out of 10 people have the timing off. These pictures seem to help people out:


-Charles-
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Old 12-30-2005, 06:59 PM   #6
Hayes
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Excellent pictures-thank you. I have noticed that on some engines the timing marks appear to be about 1/2 tooth off so it pays to check carfully. I turn the engine over several revolutions with the crank nut to varify that all the marks are ok before buttoning up.
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Old 12-31-2005, 09:23 AM   #7
Charlie-III
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I use a small mirror so I can look directly at the teeth and timing marks.
When looking from up high, they can be a tiny bit off and you don't notice it.
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Old 01-03-2006, 06:45 PM   #8
emyselfandi
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so an update to share what happened.

I got it fixed.... It turned out that the timing belt and pullies were all lined up and it wasn't the engine at all.... About 3-4 years ago the pass. side inner cv ripped. I just bought a new axle and paid a mechanic to replace it. I looked it over and everything looked good. anyway, I just put new struts springs on the suby and once that was done I started on the timing belt. I should have given it a test drive before starting on the engine (lesson learned). Anway it seems that the guy who did the axle didn't replace the cotter pin in the axle/trans mount. It might have fallen out but i'll never know. Anway when I pulled the strut/spring it dropped the control arm more than it would with the spring/strut attached. It pulled the axle cover off the mount on the tranny.

That's why my tranny wouldn't engage in park and keep the car from rolling forward and that's why the car only made a noise when it was driving.... I cleaned up the axle and splines and bolted everything back together. it's all good and back in working order.

This was a tough one but I'm glad I did it all myself.. saved about a $1000 bucks and the suby is ready for another 75,000 miles...

THanks for all your help, Tim
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Old 01-04-2006, 02:54 AM   #9
Charlie-III
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Cool, well, cool that you figured out what it was.
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