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when the timing belt broke what damage was done to the valves and pistons or other components and who replaced the belt.
did that person strip the engine or just replace the belt?
Only damage done was bent push rods. Engine was stripped. Belt replaced by Chris (owner) who has experience. Checked valves and pistons - all ok.
Apparently, on this engine, all the damage that occurs is to damage push rods.
When the push rods are replaced she will run smoothly for over an hour (stationary) and then, when checked, the push rods are bent. All sounds ok but some of the exhaust push rods are bent.
Not always so a Transit has a belt but also has pushrods. and often just bends the rods.
Not being familar with which engine it is, i would hazard a guess that the belt timing is slightly out, if it runs ok cold the small bit of expansion when hot can cause the exhaust and piston to kiss and bend the rods.
Do you peg it to fit the belt?
Does it have a vernier pulley?
A vernier pulley is where the pully comprises of two pieces bolted together, and you can get adjustment of less than one tooth by slackening the bolts and moving the toothed part of the pulley without moving the cam or whatever the pulley is attached to.
The only thing that can bend the rods is piston to valve contact so you have got something wrong, have you skimmed the head? if its a diesel there are varying thickness head gaskets identified by a notch in the gasket just go straight for the thickest one. Did you measure the origional rods and check the new ones? The ehaust tappett gap will be considerably bigger than the inlet have you got it right?
Sorry if i,m trying to teach you to suck eggs but its hard from a distance.
No problem with egg sucking at all!
Just very grateful for any advice whatsoever.
There is no vernier pulley.
Head has not been skimmed. The garage only gives out the thickest head gasket now so that is what was used.
Did not measure new rods.
It is diesel.
The pocket workshop manual for this engine states that the inlet tappet gap should be bigger than the exhaust. This book has been wrong before so have we found the problem?????
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