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Let me add to this, there is seriously something going on. I have a 2004 Chevy Aveo I bought in June of that year new 157 miles on it. My timing belt first broke at approx54k mi. Had the timing belt broke,Chevy dealership wanted to charge me 500+ dolloars to replace it I ended up getting it changed at a Pep Boys, tht is where it was initially towed to. Now just about 5 days ago at approximately 82k mi the timing belt broke again! Chevy said that whomever put the new belt on mismounted the timing belt, now that I see this thread I'm pretty sure it was the timing belt itself. Now Chevy is blaming it on someone else and wants to charge me $1600.00 to replace the belt and the valves that were damaged when the belt broke. Would that be enough for a class action lawsuit?
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If you did not replace the belt per the schedule in the owners manual or if you had work done at other then a dealer you can not sue GM. You could sue Pep Boys if they did the work.
The owners manual is available on line, it clearly says 60k miles replacment.
And since so much is at risk it would probably be a good idea to change the belt a little sooner, say every 50k miles?
got an 06 and was going to ask how hard it is to replace the TB.
Thanks sir for the write up and pictures.
So the adjustment for the tension of the belt is actually the water pump?
Strange things indeed.
Got 80K+ on it, better get to it soon.
80k miles? OMG! Many people would think the remaining lifespan of your engine could be measured with a stop watch...
Be very very careful. Drive as little as possible and then keep the revs low. Order the parts or find someone to do the work today!
Of course this is really an issue of money. If you got 2 or 3 thousand dollars laying around don't worry, that will fix things up after the timing belt breaks. But, right now, for a hundred or so in parts, you could replace the belt and be happy for another 50,000 miles.
very good writeup robotB9, for sure.
wife uses car for delivery work, so have only weekends to work on it if need be.
she puts about 100+ miles easily every day and i only hope it will last until I can get to it on a nice day (no garage).
checked on parts through napaonline and will be about 165$, could not find water pump gasket but sure they have it available seperately.
So you HAVE to adjust the tension of the belt by turning the pump? Sounds strange to me, does the TSM or manual say that's how to do it? If so, ok but weird way to do it if you ask me. Only been wrenching on cars since i was 7 yrs old in 1960,
need to get the 65 442 back together, easier to work on.
Yes, the shaft of the water pump is not in the center of the housing so when you turn the housing the shaft (with sprocket) moves around and effects the belt tension. This is a bit weird but it does work. This is an in-expensive design not often used. The only downside is that unless the o-ring seal between the pump and block is not replaced it could leak when ever the pump is moved.
First of all when it comes to an Aveo this vehical IS NOT GM, the car is mostly a Korean car and made by the manufacturer Daewoo, the engine thats specifically in the Aveo originally came from the Daewoo Lanos, and for anybody thats familiar with Daewoo products their famous for timing belt failures and problems in that field, but back to the Aveo, GM is having problems with the Timing Belts on the Aveo with failing either shortly after the warranty period of 60,000 miles or well before the warranty period is done in some cases as soon as 45,000 miles the timing belts are failing, the problem with the failure is that The E-tech 2 engine is a INTERFERENCE Engine and what that means is when the timing belt snaps the valves collide with the pistons and severe engine damage occurs, In my opinion with knowing all of this, the owners manual says that the timing belt be INSPECTED at 30,000 miles and REPLACED at 60,000 miles, however with this vehical and its history of failures well before the 60,000 mile mark, I feel it would make sense to replace the timing belt while you have the engine all apart at 30,000 miles during the belt inspection, so yes I know that sounds very odd and to some problably not necessary but I feel id rather replace the belt more often then required then to have the engine destroyed because I failed to do so, so bottom line here, if you have an Aveo Replace The Belt Every 30,000 Miles you wont ever have an issue then with bent valves or a damaged cylinder head, I got my Aveo with 53,000 miles on it and when I went to replace the timing belt, the belt had an 1/8 inch crack starting to go across it not to mention 8 teeth were completly missing from the belt and were laying at the bottom of the timing cover when I took it all apart, so mine WILL be getting replaced every 30,000 miles because mine wouldnt have ever made it to 60,000 with 8 teeth missing and a small crack starting to go across the belt!
RE: Timing belt issue on 04 aveo LS
