I know this thread is old. My reason was this user is active and might update it first hand.

Hi Diehard. Reading old posts I came across of your thread which is not complete. Did you resolve the issue?

Still vibrating? Thanks for update.

Did you fixed the problem?

What was the indication of overheating? Just a temp gauge went to red or something else?

I agree, as V8's are prone to cracking or slipped liners it makes cooling system to be very important. Once cooling is neglected it leads to engine problem. Me personally, I want to find appropriate level of attention towards cooling to guarantee long life of V8 motor. Looks like cooling has to...

What makes it marginal? Assuming all works OK or renewed.

Google "Caveats about the ZF automatic transmission!" Service bulletin and more info.

I am not any more sure that selecting "N" at traffic light is making any change for GB in P38. I believe it uses ZF 4HP-22/24 gearbox and there was a service bulletin issued by BMW in 1991 # 24 01 91 (3196) which says "The problem is that after starting the engine, and selecting any gear...

According to this source post-2000 V8's have a step in a block preventing liners to slip. Also shows how small a crack in a block can be. JE Robison Service — the blog: The last word on Land Rover liner failures - I hope!

Can you please add more details as, which engine, year and miles? Thanks.

Was it overheated? Can you give more details on what was happening?

Recently forum member fixed the same problem after 9 steps. I cannot post link in here but search for "Death wander". Thread was started 27th-March-2012, 20:38. It is possible to fix it. Good luck and keep working.

When did you notice pressure in the pipes? What made you check it?

Polen filters? AC?