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Did you check the FIP pump static timing while you were about it?
P38A 2.5 Diesel - What Head Gasket
- Thread starter RAW111111
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RAW111111
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Yeah, checked it what feels like about half a dozen times. Seems to start and run better than before based on the one time I restarted it yesterday so I guess it's ok. First time I checked it it was at about .3mm at TDC which made no sense since I hadn't done anything to affect the pump timing at that point but I'm happy it's right which is what matters.
Rich
Rich
ShaunPDisco
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Did you change the timing chains and sprocket in the end. Where did you get them from??
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Mine ran a bit rough after I had the manifold off but it settled down in the following 100 miles or so.
RAW111111
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No, I haven't changed the chains and sprockets yet, to be honest I want to be sure it's not going to blow another HG before spending another £300 on chains and sprockets. I expect that we will change them in the next few months or so but I haven't decided where to get them from although I got Town and Country in leamington to put me a quote together for the parts and it came to about £280 for all the bits he suggested bothering with.
Will hopefully be able to take it for a run tomorrow and see how it goes! Will report back soon
Rich
Will hopefully be able to take it for a run tomorrow and see how it goes! Will report back soon
Rich
RAW111111
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Well finally we're back on the road for good hopefully!
After my last update it was up and running but I wasn't happy about the timing chains and after all that work wasn't going to let the engine get damaged by timing chains and guides that had been on a questionably maintained engine for 185000 miles.
Few months delay due to other commitments had everyone more than a little depressed about the Range Rover sat outside the front door looking sorry for itself but finally all sorted properly now. Both chains, tensions and all four rails changed, new gaskets fitted and eventually got the static timing set dead on .95mm. Our flex plate seems to have a pip just before the locking hole for tdc, much closer than 30degrees which caused much confusion while I was setting it but all sorted
Also removed hat seems to be some kind of performance chip type kit from the car. Interrupted the signals between the FIP and the ECU, as well as being connected into the boost pressure sensor so clearly some kind of performance adjusting unit. It's completely unbranded, no part number or anything and was terribly installed. I wish I took pictures, they'd used a household connection block to extend one wire and then simply wedged it under the plug to connect it to the boost pressure sensor! Can't tell any difference in performance, but having compresssion on all six cylinders might be helping.
Anyway, were all very happy to have a functioning Range Rover again, so much so that I decided to take it apart again. Trying to fix the leaking boot seal and repair the consequences in the spare wheel well.
Rich
After my last update it was up and running but I wasn't happy about the timing chains and after all that work wasn't going to let the engine get damaged by timing chains and guides that had been on a questionably maintained engine for 185000 miles.
Few months delay due to other commitments had everyone more than a little depressed about the Range Rover sat outside the front door looking sorry for itself but finally all sorted properly now. Both chains, tensions and all four rails changed, new gaskets fitted and eventually got the static timing set dead on .95mm. Our flex plate seems to have a pip just before the locking hole for tdc, much closer than 30degrees which caused much confusion while I was setting it but all sorted
Also removed hat seems to be some kind of performance chip type kit from the car. Interrupted the signals between the FIP and the ECU, as well as being connected into the boost pressure sensor so clearly some kind of performance adjusting unit. It's completely unbranded, no part number or anything and was terribly installed. I wish I took pictures, they'd used a household connection block to extend one wire and then simply wedged it under the plug to connect it to the boost pressure sensor! Can't tell any difference in performance, but having compresssion on all six cylinders might be helping.
Anyway, were all very happy to have a functioning Range Rover again, so much so that I decided to take it apart again. Trying to fix the leaking boot seal and repair the consequences in the spare wheel well.
Rich
- Posts
- 19,297
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- Buckinghamshire, UK. ('95 DT)
Good effort! Sounds like some sort of powerbox to trick the FIP into overfuelling.
RAW111111
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Exactly, only judging by the lack of smoke either it was doing a good job of upping the boost to burn the extra fuel or (more likely I think) it wasn't very effective!
Rich
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- 19,297
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- Buckinghamshire, UK. ('95 DT)
Has yours got EGR? Might have been doing something with that? @N2O might know. He seems to fiddle with modifications.
RAW111111
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Nahh, no EGR on ours, it's an N so too early for that. It's was definitely some kind of attempt at a tuning type chip to trick the pump into more fuel, i just don't think it was having much effect.
Rich
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- 19,297
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- Buckinghamshire, UK. ('95 DT)
We need a proper tinkerer then!
eBay it; one born every minute. Wouldn't want anything like that on mine.
eBay it; one born every minute. Wouldn't want anything like that on mine.
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- Preston Lancs.
Don't quote me on this, but think there was a very early version of tuning box that had a connection to the MAP sensor. Don't know the make but have seen them pictured on here from time to time.
brianp38dse
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Mines a plane blue box with no markings and has connections to interrupt the pump wiring and a pipe tee connection into the map pipe and works very well power wise makes the car a totally different amimal, massive improvement for towing,
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- Preston Lancs.
There lies the rub. Fine for not towing little chance of problems. But if towing with torque lock engaged can cause spragg clutch failure over time on diesels due to their torque curve.
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- 19,297
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- Buckinghamshire, UK. ('95 DT)
No problem with the spragg clutch on Brian's. ;-)
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- Preston Lancs.
Do you have info i am not aware of?
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- Buckinghamshire, UK. ('95 DT)
Didn't he do his spiral clutch pins the other year?
brianp38dse
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Yep did the rollpins (triple pined now) and new clutch as box was out last year.
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