H22A4 Shredded timing belt
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H22A4 Shredded timing belt
I recently replaced a timing belt and water pump. A week later my car died and I looked at the timing belt and it was shredded with only about a 1cm of belt left. What would cause the timing belt to shred like that?
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Re: H22A4 Shredded timing belt
installed improperly, bad, broken or loose idler/tensioners, loose bolts. im sure once u tear into it you will find the cause easily
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Re: H22A4 Shredded timing belt
i had the same issue when i first got my 93. the person i got if from said he would do the service if i would make the trip to his house to get it, about a 4 hour drive. 2 days after i got back home, on the way to work it died about 5 houses down from mine. i push it back and pop the valve cover and i find the same thing. the tenchner that works both belts wasnt tight and allowed the balance shaft belt to rub the timing belt. you need to do a leak down test b4 you tear it apart and see if you have any bent valves.
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Re: H22A4 Shredded timing belt
Oh, he's got bent valves. Count on it. All of our motors are interference motors. It's just a matter of how many are bent and how badly.
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Re: H22A4 Shredded timing belt
oh yeah! mine died at 1500 rpm, my foot was out of it. the best possable way for it to give and i trashed 4 valves, and slightly bent 4 others.
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Re: H22A4 Shredded timing belt
The belt was still intact do you guys still think the valves could be bent? I'll take a look at it asap to see if anything came loose. I haven't had any time to take a good look at the car.
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Re: H22A4 Shredded timing belt
If it didn't break, then you may not have any damage. Only way to know for sure is to tear it down, check to make sure that everything remained in time, even though the belt is shredded. If everything is still in time, put a new belt on it, make sure the tentioner bolts are tight, and rock it, mang.
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Re: H22A4 Shredded timing belt
discovered the cause of the problem. the head of a bolt for the timing belt tensioner broke allowing the tensioner pulley to move up and down loosening the belt. i have circled the bolt that broke off.
after realizing that part of the bolt was still in the block i decided to go with a manual tensioner conversion. after buying all the parts and trying to install the tensioner i ran into another problem. there is no hole for the base bolt to go on noted in the pictures below.
would it be okay if i installed the tensioner without the base bolt?
after realizing that part of the bolt was still in the block i decided to go with a manual tensioner conversion. after buying all the parts and trying to install the tensioner i ran into another problem. there is no hole for the base bolt to go on noted in the pictures below.
would it be okay if i installed the tensioner without the base bolt?
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Re: H22A4 Shredded timing belt
if you do not have the arm that extends out with the threaded hole then it is likely broken and if its broken you will have to get a new oil pump.
#15
Re: H22A4 Shredded timing belt
that bolt broke off of my h22 also its part of the water pump i replaced the water pump tightened up everything and now its still shredding the belt idn if it might be one of the guides or the pullys but im not running my balance shaft belt either
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