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Thread: Undertray Poll
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post #6 of (permalink) Old 24th June 2010
Technical Supremo

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Re: Undertray Poll

A neigbour of mine had a small French van. He removed the undertray for some reason and didn't bother replacing it. Five weeks later the engine siezed big time and it was discovered small stones thrown up from the road had become lodged in the auxiliary belt which failed and then went on to take out the timing belt resulting in bent valves, holed pistons, etc.
Similarly I have heard of similar stories relating to timing chain engines but the failing auxiliary belt took out the air-con compressor and/or alternator neither of which would be a cheap repair.

My advice would be to ensure where appropriate the undertray is always fitted.
Yes it may cost a couple of hundred quid to replace it but that is still cheaper than the possible alternatives.
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