sierrafery
Well-Known Member
The chain can be hurt by the disintegrating guide or tensioner if it catches parts of it to the sprocket... and that can happen , that's how:
(pics are from 10P but imo it's irrelevant)
(pics are from 10P but imo it's irrelevant)
sierrafery
Well-Known Member
Not common but happens, especially with the guide and tensioner cos they are from some kind of plastic...then it's a matter of luck for the chain to "escape"
neilly
Well-Known Member
sierrafery
Well-Known Member
Yes it is but the same can happen to the timing chain if it catches a part of the guide... a good move is to filter the drained oil from sump and watch for small plastic bits and if there are any remove the front cover ASAP and inspect
I was going to buy a disco with a broke chain but some bastard offered him £1300 for it as it was, I couldn't compete with that
ozzyboydeano
Well-Known Member
the chain guide is made out of bakelite material eventually this becomes brittle and breaks but with out taring the front of the engine down who knows why the timing chain has snapped
as for the repair bill this all depends on how much damage was caused during the timing chain snapping.... so with out taring down the engine and checking components ie bent valves bent or snapped valve train /damage to pistons etc... its all just a guessing game
ozzyboydeano
Well-Known Member
now its the other guys issues no doubt he will be here soon on the forum complaining that he cant get the engine running after he has replaced the chain
Shifty1962
Well-Known Member
As said the chain pictured is the oil pump drive chain not the timing chain. I've seen and heard TD5s running with a totally disintegrated guide and/or a knackered hydraulic tensioner. Noisy but the chain was never broken. I suppose they could break but I think the collateral damage to the engine would signal the end for it. JMHO
