injector settings

we just replaced head gasket on my td5 defender, i now have a terrible knocking sound (like a tappet) and if someone could help with the injector settings i had the head skimmed.

how much did you have skimmed and did they put the correct HG on ?

DO NOT TOUCH THE INJECTORS ROCKER ADJUSTERS YET

If you took it to bits and put it back together again with the injectors in the same holes (I sure hope so because it matters) then the injector rocker adjustment is almost certainly NOT to blame. If they have messed up the injector clearances causing an injector to "bottom-out" each affected injector will probably be destroyed already. If the engine is running on 5 cylinders the injectors would seem to be OK.

Is it a hydraulic cam follower (valve cam follower) not filling with oil and running slack? If so, this USUALLY ceases after 15 or 20 minutes of running at tickover speed. It can make a Hell of a noise ....

Is a piston slapping the underside of the head because a too-thin head gasket was used? That is bad news if it is.

If the valve-timing is WAY out a piston might be smacking a valve, but I doubt if this will have happened.

I think most of us would be thinking along those lines at this stage. Once you find out do let us know.

CharlesY

Mr Charles, am i right in thinking that you have an injector tester ?

Sean said:

Mr Charles, am i right in thinking that you have an injector tester ?

Click to expand...

Yes I have.

Hartridge Pop Tester. Bought it new from a guvmint surplus place.

Wonderful tool.

But, TD5 injectors CAN NOT be adjusted or set up.

Almost all other Landy and other injectors can be.

What have you in mind? Pleased to assist if I can.

CharlesY