What could cause the motor mounts, bearing mounts to break after only 85K miles?
Our van was slipping, took it in to the service shop and they said the motor mounts, bearing mounts (4 of them) were broken. They fixed those at a cost of around $1K, but the problem was still not fixed. Now they are replacing the transmission (free) but could that have caused the mounts to break?
There are a lot of reasons that the motor mounts could break. The most common reasons are because of unusual stress or strain on the bearings, also it could be caused by contamination from an oil leak.
Hey coconut. It's unlikely they failed simultaneously. More than likely one failed for whatever reason (bad mount, over tightened, etc.) and the engine bucking did the rest. The shifting of your engine then of course created issues with your tranny (perhaps a leak from the point where the tranny joins with the engine that led to the slippage and damage). It's more likely that the broken mounts did the damage to the tranny than the other way around. It's more interesting that they did the tranny for free but not the mounts, but ... You shouldn't have any trouble with the mounts going forward but keep your paperwork where you can find it in case you do. Good luck.
I also have a 2002 Odyssey with failed motor mounts. I first had the problem over a year ago (noise during cold start) and they said it was the transmission and replaced that (insurance paid). That didn't fix the problem so now they say it's the motor mounts. The car has 72k miles and luckily I have an extended warranty. Now I wonder if there was a manufacturing defect with this model year since you have the problem too.
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