Vehicle & Technical > Defender
TD5 knackered at 150k?
age:
--- Quote from: extreme90 on October 07, 2009, 17:28:46 ---ive seen inside td5's with higher miles than that and the origional cross hatch is still visable
did you get the head preasure tested like i said ?
remove the exhasut manifold and look into the ports, which ever one is clean and not sooty is your problematic cylinder
did you replace headbolts when you did the head ?
did you check the head with a straight edge for any distortion ??
did any of the cylinders look porous or odd pits anywhere ?
the td5 is pretty good, id be inclinded to say the problem is upstairs not downstairs
dan
--- End quote ---
Hi Dan,
The head was done by an independent - no idea whether they replaced the bolts or what checks they did, they just told me it was ok for just the gasket 18 months ago. Oh, and I told them to replace the plastic dowels.
Haven't had the head off yet to pressure test - will do your exhaust port inpsection, as long as the manifold studs come off rather than shearing. See what it does to you reading all the disasters waiting to happen on here!
I just need to be more optimistic.
A
age:
Well - an update given the number of 'views' the thread is getting....... I guess not many have such 'low' mileage and the same probs?
Finally 'locked up' completely last week. Took glow plug out of No.1 (as that had the diesel flood we fixed last time) and turned it over ........ gallons of coolant everywhere!! No doubt about gasket now (maybe the hydraulic with the diesel was the final straw, but its been using coolant for quite some time.
Last time it started (with a bit of sulking and knocking) it had a slight vibration. Could be compression imbalance, or con-rod.....
Anyway I've started stripping down to the head - fuel cooler and inlet manifold left then un-bolt carefully and see what we find. I've quite enjoyed it so far - ignoring the 'worst case' scenarios playing out in my head. Should have results after the weekend - and maybe a Turner head on the way............
btw - Bogie mentioned reprogramming new injectors - didn't do this with the one we replaced, seemed to fire ok. What is involved and where what do I need to get this done? Code off the injector for starters I guess? Oh, and I've had the truck since new so any screw ups are mine alone!!
Cheers, A
extreme90:
there will be a 5 letter code on top of each injector which can be put onto the ecu via nanocom or similar
wrong injector codes effect engines in different ways :-
some struggle to start
some wont rev above 3k
some missfire on startup and so on
dan
p.s give me a try before anyone for a cyl head ;) ;)
or any other parts infact
dan
age:
All in bits on the garage floor........
Gasket very clean/polished all wound no1 and part of no 2. No visible cracks but I guess that means nothing. Off to the engineers this week.
Cleaning up all the bits and pieces - shoudl breathe a lot better without all the crud I took out of the EGR/inlet manifold.
Exhaust mating surfaces really rough - looks like a bit of a blow on no.5 at least. All cleaned up and ready to seal perfectly when back together.
New jubillees on all the coolant pipes - don't you love those rusty pinchy springy things!!
Cylinder bores on 1 and 2 need a bit of 'light polishing' - surface corrosion from sitting with coolant in (the hollow crowns were full......), although most honing marks still showing.
Really useful stuff Dan - I'll make sure the new injector code goes in after rebuild, although it ran OK apart from the diesel 'knock' at idle. Not forgotten the heads!
See what this week brings.... Cheers, A
age:
Well that's screwed then - cracked around No 1 valves. (The surface was seriously 'etched' by the gasket too - was going to need as much 'light polishing' as Mr. LR would permit had it survived).
Recon/used/Turners ........ decisions decisions............... (and cheque book :shock:). A
(glad you're all enjoying this monologue of pain and misery :()
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