P38A What are these and where does this go?

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Digweed

Active Member
Posts
120
Location
Ireland
Right I'm digging around in the engine bay of my 01 diesel. Found this disconnected pipe
20180727_184713.jpg


It goes into the gearbox tunnel on the right of the pic and it's fairly rigid. I haven't been under the car yet to see where it goes but I can't see anywhere near it that it might connect to. there's also a wire cable to the right of the pic that is just hanging off that weight and not attached to anything at the other end.

Secondly there's a missing pipe coming from the left of the egr valve that, from what I've seen goes across the front of the engine and somewhere over towards the turbo but I can't see where it joins on to. It's this one.
20180727_184618.jpg


and lastly can anyone tell me what goes where from the egr valve modulator?
20180727_184732.jpg

I know one them goes to the egr valve but not which one and I don't know where the other one goes.

Sorry for the rambling post.
Thanks.
D.
 
The Mad Hat Man said:
gearbox breather pipe - get the hooked end up as high as you can.

has the EGR been blanked off?
Click to expand...
I hooked it up behind the engine in case it was meant to be keeping fluid somewhere, I'll leave it there so. Egr is not blanked off, can't figure out where the other end of the pipe is supposed to go. I've seen some pictures where it feeds off to the drivers side of the engine somewhere near the turbo but I can't for the life of me figure out where it goes to from the EGR valve and the pipes from the modulator aren't connected either. I've been trying to find a scrapper around me but all of the engines are either the 4.0 or are gone altogether! :(
 
the pipe to egr comes from number one exhaust port on the head you can block it off there with a plate if the head has not been changed for an earlier one without egr.
 
ovalandrover said:
the pipe to egr comes from number one exhaust port on the head you can block it off there with a plate if the head has not been changed for an earlier one without egr.
Click to expand...
Heads are the same, Exhaust gas feed to the EGR valve does not come from the head. No need to blank the EGR, just leave the vacuum pipe off the valve which amounts to the same thing.
 
Datatek said:
Heads are the same, Exhaust gas feed to the EGR valve does not come from the head. No need to blank the EGR, just leave the vacuum pipe off the valve which amounts to the same thing.
Click to expand...

The heads are not the same as the inlet manifold from the later one cannot be fitted to the earlier one but i will concede that the pipe comes from exhaust manifold but in the picture the metal pipe to the EGR on the manifold is not connected so it needs blocking off at the manifold or an earlier manifold fitted if the pipe cannot be replaced
 
Early heads will not take plastic manifolds. Later heads can take both. This car has been bastardised. Obviously had EGR at some point because modulator is present. One of the pipes from this goes to EGR valve the other one to the vac pump. But there is no vac pump fitted nor is there any exhaust gas pipe from exhaust manifold to EGR valve.
 
Can you tell me where it's supposed to go from the EGR valve? I know it's somewhere on the drivers side of the engine but I cant see whereabouts, if anyone had a picture it'd help alot.
 
wammers said:
Early heads will not take plastic manifolds. Later heads can take both. This car has been bastardised. Obviously had EGR at some point because modulator is present. One of the pipes from this goes to EGR valve the other one to the vac pump. But there is no vac pump fitted nor is there any exhaust gas pipe from exhaust manifold to EGR valve.
Click to expand...
There is a loose plug on the passenger side of the block, is that where the vacuum pump goes, maybe the engine has been scavenged for a few bits?
 
looking at that it's on the front of the block and the loose plug i found is towards the rear on the passenger side. where did that exploded diagram come from?
 
On your model MY01 there should be three sensors on the head. Blue one just above injection pump (dash gauge). Green one between cylinders three and four (ECU temp sender). Black between cylinders five and six (overheat sensor). My bet is black one is omitted as it maybe an earlier (Pre 1999) engine.
 
The engine in this was changed, different number on the log book than whats on the engine. looks like they changed the block and kept the original heads? would they bolt up the same? i'm thinking thats why there's the egr valve on the head with no port in the exhaust manifold. would that be causing problems in the ecu, it looking for a sensor that isn't there?
 
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