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It would be a good idea to go back in and recheck the head bolt torque and valve lash approximately 1000 miles after the repair is done. This leads to detonation, possible serious engine problems, and back to square one. Failure to do so can create hot spots due to glowing metal. The tops of the pistons will be nicked up and any and all sharp edges on those nicks must be rounded off. Normally the only damage that occurs is to the intake valves, all of which must be replaced along with performing a complete valve job.Ī couple of tips if you have this done. However, it sounds like they’re not going to. I can understand the 90 days labor warranty but in a case like this where I feel that someone screwed up the shop should make an exception and eat the cost of this one. The current shop should be able to tell you why. then the odds are near dead certain they screwed up. If the original shop replaced the tensioners, belt, water pump, etc. Checking valve lash, cam rotation until the valves are closed and applying compressed air to see if air hisses out intake manifold, etc. The belt does not have to be replaced to determine damage. I have pictures of the damage, how do I upload here Otherwise, the car is in excellent shape. Again would I be better of with replacing the engine. What are the chances of more damage to engine other than bent valves like piston damage etc. Would this be helpful? Or there alternate ways to find out. Is there a way to find out upfront if there are any bent valves so that I can better negotiate the entire job upfront. What is the likelihood of bent valves in this case? Very high, high, medium, low etc.Ģ. Now I do not feel comfortable going to the old shop now and have to figure out my legal options on dealing with these guys. They said the labor warranty is only 90 days and so wants to pay for any labor(screaming arguments over the phone). I had more than $1000 worth of work done on the car in Febraury 2010 with another shop, part of which they had replaced the timing belt, water pump, other belts, crankshaft sensor, tensior etc. He wants $700-$1000(no firm estimate is possible as per him) first to fix the timing belt and then try to figure out if there is a damage to engine(which he estimated could another $2000). He thinks it could have damaged the engine with bent valves etc. The mechanic, after diagnosis, said the timing belt broke(more like shreded) along with broken crankshaft sensor. We had it to towed to a nearby mechanic shop. My wife was driving our Honda Accord 2002 with 117K miles on the highway at 65 mph when the car quit, she immediately pulled to the shoulder.