Thread: Vibrations
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IdahoDoug IdahoDoug is offline
Coeur d'Alene, Idaho
 
Join Date: Aug 2017
Posts: 475
Garage
You didn't really cover what was done for the engine. I suspect shop 1 did the timing and balance shafts wrong, so the valves hit the pistons and broke exhaust valves. That's a pretty big deal and could have damaged piston(s) by removing a chunk or damaging the wrist pin. Or frankly other things. These would cause a vibration.

So perhaps some detail on what shop 2 did. Hopefully a full teardown, measurement for damage, and a proper full rebuild with new bearings. If they did something different because you told them you were going to sell, such as did not remove the pistons and/or reinstalled a couple dented pistons with chunks missing just to get you down the road - there's your possible issue.

There's plenty of other mistakes they could have made on reassembly, such as the balance shaft belt. It's not that easy to do that correctly and super easy to do it "almost correctly".

So, perhaps take a photo of the shops invoice so the knowledgeable here can say things like "aha - they did not bill you for a new timing belt and reused the almost new one that likely sustained some damage." etc..

Doug
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Old 07-09-2019, 10:49 AM
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