Thread: Shoot me I've purchased a lemon!! DOH!!

GET.....AN.....ENGINE........MONITOR!!!!!!!!!!!!!! !!!!!!!!!!!
factory temp gauge is useless and tells lies
it is recommended to not rev the 300TDi over 3250rpm!! excessive wear occurs on the timing belt?
turbo comes in at around 1800-2000rpm

Originally Posted by VonSwirl

....
It seems to pull away very slow at low revs then the turbo kicks in and it seems to accelrate well, then when the revs get to between 4200-5000 it seems to not want to pull hard. Not sure if this is normal as this is the first Disco I've driven.
...

A TDi 300 should be driven in the 2000-3000 RPM band. Maybe 3500 if you are overtaking. Below 2000 RPM there is NO power and when cold it is even worse.

Checking the valve clearances is not that complicated - there are a number of good tutorials on the web (maybe even something on YouTube from memory). Set Cold.

Good luck getting it sorted - sounds like you are pretty close to getting it back to 100% again.

Cheers
David

Originally Posted by VonSwirl

Hey All,

......................... then when the revs get to between 4200-5000 it seems to not want to pull hard. Not sure if this is normal as this is the first Disco I've drove...........................

Thank

This is an old style deisel, not a 2 stroke motor bike !!!

Be nice to it and don't rev it this hard, can you get 'valve bounce' in a diesel ??

If you reckon the tappets may be out it would be a good idea to check, 0.2mm or 8 thou in the old language.

This is the sequence

No 1 valve with No 8 fully open
No 3 No 6
No 5 No 4
No 2 No 7
No 8 No 1
No 6 No 3
No 4 No 5
No 7 No 2

It's worth checking the the prime of the fuel system, air in the injector pump can give some very strange symptoms.

I do mine in stages, first at the fuel filter, then at the injector pump banjo then finally when running I 'crack' each injector connection. Works for me .


Deano

Those revs sound more like when I'm thrashing my petrol weekend fun car....not a diesel!!!
When I test drive a Disco I was uncomfortable going above 3500, felt like I was punishing the poor thing!

I dont think I ever got above 3400rpm in the 300tdi. Maybe post a video of the smoke to see if others think it is a concern

I just checked. My 300tdi disco only revs to 4500. I had never taken it above 4000 before.

Thanks for advise

I made a mistake with the revs it's seems to pull great between 2000-3000 rpm but fades after that. I haven't read all te replys yet but have will do when I've finished work.

Took it to M.R automotives at redcliffe yesterday they fitted 2 new pulleys on the belt drive so that irritating whine has stop yay! Priced me up to new cambelt cogs tensioners for $850 plus a tune. Still haven't had time to do the Clarence but will do soon!

Will read through and update soon.

Maybe A frame ball joint or transfer case root :-/

Most rpm i've seen on mine is 4200 when overtaking and usually 2800- 3200 driving in daily traffic.