OK gents update.....
Removed the head thisafternoon. Examined the head, valves for damage, all ok. Checked the pistons and bores, all ok.
This type of cylinder head has clearance in the event of a timing failure. There are small dome shaped grommets sticking out of the face of the head where the explosion from the firing chamber bursts into the main culinder. The injectors and heater plugs are all located in the explosion chambers and do not protrude at all into the main cylinder area,only these domed shaped distrubuters ( for more of a better word).
Also removed the vaccuum pump to expose the injector sprocket, this all looks ok.
I was hoping to see a timing mark on the sprocket but cannot see anything, which disheartened me alittle thinking about the way to re time the system together after its hopeful repair.
I cannot see any damage to any guides either.
Anyway, that was good news for me.
I wanted to remove the head just in case, and reason with myself which was the best method to proceed.
Ok, now that the head and pistons are ok, then the logical way to go is to try to thread a new chain thro the system.
I am tempted to remove the sump and thread the chain from down past and over the injector sprocket into the guide toward teh crank pulley, around the crank, as now the sump would be off, then thread a wire down the slack side and pull the chain back up over the tensioner guide, and ther rejoin at the cam sprocket once the head is back on.
Any ideas whether this would be the best way forward now gents.
Thanks again, Anthony.
Removed the head thisafternoon. Examined the head, valves for damage, all ok. Checked the pistons and bores, all ok.
This type of cylinder head has clearance in the event of a timing failure. There are small dome shaped grommets sticking out of the face of the head where the explosion from the firing chamber bursts into the main culinder. The injectors and heater plugs are all located in the explosion chambers and do not protrude at all into the main cylinder area,only these domed shaped distrubuters ( for more of a better word).
Also removed the vaccuum pump to expose the injector sprocket, this all looks ok.
I was hoping to see a timing mark on the sprocket but cannot see anything, which disheartened me alittle thinking about the way to re time the system together after its hopeful repair.
I cannot see any damage to any guides either.
Anyway, that was good news for me.
I wanted to remove the head just in case, and reason with myself which was the best method to proceed.
Ok, now that the head and pistons are ok, then the logical way to go is to try to thread a new chain thro the system.
I am tempted to remove the sump and thread the chain from down past and over the injector sprocket into the guide toward teh crank pulley, around the crank, as now the sump would be off, then thread a wire down the slack side and pull the chain back up over the tensioner guide, and ther rejoin at the cam sprocket once the head is back on.
Any ideas whether this would be the best way forward now gents.
Thanks again, Anthony.