Rattle - heat sheild thrust bearing gear box ?
30 March 2007, 12:06 PM
#1
Rattle - heat sheild thrust bearing gear box ?
Recently seem to have developed a rattle 97 Classic 125k miles 
Noticable mostly in 3rd & 4th when at low revs but high load.
It's not noticable when reving engine out of gear and it clears when revs climb over about 2500.
I think it might be heat sheild - but its a different tone (lower) to previous noises from that. Also I've got it into my head its coming from the centre of engine bay rather than turbo side.
I know these things are a nightmare to diagnose like this but any thoughts / experience of gearbox / thrust bearing issues would be nice at least if only to rule them out.
No other simptoms at the moment, so seems healthy enough, just worried its indicative of a bigger problem than heat sheild.
Noticable mostly in 3rd & 4th when at low revs but high load.
It's not noticable when reving engine out of gear and it clears when revs climb over about 2500.
I think it might be heat sheild - but its a different tone (lower) to previous noises from that. Also I've got it into my head its coming from the centre of engine bay rather than turbo side.
I know these things are a nightmare to diagnose like this but any thoughts / experience of gearbox / thrust bearing issues would be nice at least if only to rule them out.
No other simptoms at the moment, so seems healthy enough, just worried its indicative of a bigger problem than heat sheild.
30 March 2007, 01:13 PM
#2
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l had a thrust bearing go on a Fiat, in neutral with the engine idling l had a high pitched noise as soon as l depressed the clutch the noise stopped, another symptom was difficulty finding a gear, sounds more like a rattle?
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