1.6 TD JX Spitting Oil from Exhaust

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Joker79
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1.6 TD JX Spitting Oil from Exhaust

Post by Joker79 »

OK so here goes, my first significant post...

My 1.6 td was belching out significant amounts of smoke, which when cold was bellows of white clouds and when it had warmed up went blue. Upon inspecting the exhaust and tail gate there was splatterings of oil everywhere and you could actually see oil coming through the joins on the exhaust.

Decided to take it to a local garage in Aylesbury who said it was most likely the Turbo but weren't interested in doing it as they were worried about seized bolts etc!!! (I suppose the young "facebook generation" mechanics of today only get taught to plug an engine into a PC to tell them what is wrong.)

I removed the turbo and noticed that the inlet and exhaust outlet were covered in oil every where, this is what it looked like after a bit of cleaning up. You can still see oil in the exhaust outlet and the air intake. There was quite a bit of play in the turbine shaft that almost touched the housing.

Image

Since I have gone this far I decided that rather than pay £300+ for a recon KKK K14 turbo I was going to recondition it myself with one of these kits from Turbo Rebuild for only £49.99 for a kkk k14 Service repair rebuild kit
http://www.turborebuild.co.uk/?p=product&key=0806306790" onclick="window.open(this.href);return false; I know the turbo might need to be balanced and was going to find somewhere local to do it.

After stripping the KKK K14 Turbo I found oil and caked oil everywhere.

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Once I was able to remove the Turbine shaft I could see what I think is the cause of oil leaking into the exhaust (not sure if this would also force oil into the inlet manifold as well?) The shaft and been ground down by a milometre or 2, which the photo doesn't show but I have highlighted in red.

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Although Turbo Rebuild see the K14 turbine shaft for £89.99 http://www.turborebuild.co.uk/?p=product&key=0806302769" onclick="window.open(this.href);return false; they are sold out and I could not find any others online for love nor money. I've managed to find a brand new one turbo online which looks like it is a JP Group ais turbo, it was £475 and I still get to keep my old one.

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While waiting for the turbo to arrive I decided to investigate the engine further and found oil everywhere in the turbo inlet manifold.

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After removing it I found more oil, is this normal?

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I removed the cam belt cover and rocker cover and there appeared to be oil leaking from the corner of the rocker cover, not sure if this would be the gasket or the redish/orange thing on the end?

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Has any one got any suggestions or advice? I am pretty certain I needed a new turbo anyway . What I am not sure on is that the engine might have caused the turbo to fail in the first place and the oil in the inlet manifold. Is there anything I can do to check the engine in the mean time? I have looked and there is no white sludge or oil in the coolant to indicate head gasket or anything.
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Re: 1.6 TD JX Spitting Oil from Exhaust

Post by 123-jn »

Check the oil feed pipe to the turbo make sure its clear and not narrowed in places with carbon build up. Also check oil pressure , make sure it's in the right region you may want to do this with the old turbo on as if its poor it will soon make a mess of the new turbo. I'm afraid I haven't a clue what the figure is for this engine. Also check the oil drain pipe back to the sump this also needs to be clear and free of sludge.
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Joker79
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Re: 1.6 TD JX Spitting Oil from Exhaust

Post by Joker79 »

Thanks 123

I've ordered a new oil feed pipe from Brickwerks , and will check the old one and the oil return pipe to see if there is any tell tail signs.
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Re: 1.6 TD JX Spitting Oil from Exhaust

Post by Plasticman »

id put it together and send it to midland turbos, sod 400+
nice pickies, oh and chuck the rolson shifter and buy a bhaco :lol:
mm

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Re: 1.6 TD JX Spitting Oil from Exhaust

Post by HarryMann »

Oil everywhere is normal, esp. when the turbo brgs and seals have gone.

The cambox gskt can leak in the far corner usually... stick new gasket down and don't over tighten bolts. Maybe that cambrg gskt brown needs renewing.

A lot of the problems are the low badly drained position of the JX turbo.

If the fan cooler isn't working, always wait a few minutes at idle before switching off if been tonking it and a minute if going very slow.
Use a semi-synth 10 or 15w-40 oil and change every 2 or 3k miles. A front mounted oil cooler will help a lot too.

Check exh. manifold faces for flatness as well as turbo face and manifold for serious cracks across turbo mtg face.

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Joker79
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Re: 1.6 TD JX Spitting Oil from Exhaust

Post by Joker79 »

Thanks Metalmick8y

Now I really feel stupid..... After googling "Rolson shifter" and "bhaco mm" thinking it was some better engine component or something, I realize your talking about the adjustable wrench in the picture ... :oops:
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Re: 1.6 TD JX Spitting Oil from Exhaust

Post by Joker79 »

Cheers Harrymann

Is this a different gasket to the rocker cover gasket, I've highlight it in the pic below? Currently it has a cork gasket, I'll be ordering one a nice new rubber one from Brickwerks tonight. Not sure what this orange thing is called as I have been looking for Cambox gaskets.

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I've noticed some damage to the Cambelt cover, not sure if this is just historical or something else I need to be spending money on...
The one thing on this van that was meant to be good on this van was the engine....

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Whilst the engine is in this state should I be looking to inspect/maintain anything else?

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Re: 1.6 TD JX Spitting Oil from Exhaust

Post by macalfie »

Is semi synthetic oil better ive always used mineral from looking on the wiki

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Re: 1.6 TD JX Spitting Oil from Exhaust

Post by HarryMann »

The rocker cover gasket goes all around the join between the cam-cover and corresponding head flange.

Those cambelt covers need looking after and fitting properly... can be a pain.

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Re: 1.6 TD JX Spitting Oil from Exhaust

Post by HarryMann »

Semi-synth 15W-40 is often recommended for JX and AAZ diesels

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Re: 1.6 TD JX Spitting Oil from Exhaust

Post by axeman »

i had a persistant oil leak from the same location, after much fing and blinding it turned out that that behind the cam plate there was a small brass grub screw, effectively a blanking plug for the oil galley for the cam shaft. it is the direct opposite of the oil pressure switch at the other end of the head. i was a quater of a turn loose and after a couple of min the engine running (once the oil had thinned a little) it would begin to leak.

may be worth removing the cam cover plate just to have a look.

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Re: 1.6 TD JX Spitting Oil from Exhaust

Post by coopervan »

Hi Joker79, I have exactly the problem as you (& probably another too). Van was CS 1.6 n/a & overheated casuing head issues so I've just got round to fitting a JX complete unit (engine/pump/turbo) bought off Fleabay about 6 months ago.

Initially I had exactly the same issues as you, smoking blue from exhaust, then oil from exhaust joints & oil spotting all over tailgate & rear window. Turbo still boosted fine & gave full power etc, but now I also have steamy blue/white smoke from exhaust & cloudy grey emulsion in oil filler tube so suspect head / gasket issues again on top of the turbo problem.

I believe that the oil loss & smoke that we both have is due to oil bleeding past the turbo seals & burning in the exhaust gas, but I haven't investigated the inlet side yet, so can't comment on your question re oil in the inlet manifold.

I'm considering options now, as turbo will defintely need to be reconned or replaced plus the head issue need dealing with. Just hoping it''s not killed the head completely. Checked the expnansion bottle & no oil in water & it's not pressurising the cooling system like the old CS did, if anythng it seems to suck when you remove the bottle cap when cold.

I'd be really interested as to how you went about the turbo recon/replacement & what results you experienced & any tips/contacts etc. Did you manage to separate the turbo from ex manifold ok?

I'm in Sheffield by the way, if anyone can recommend anyone local to here to help?

Thanks.

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Re: 1.6 TD JX Spitting Oil from Exhaust

Post by coopervan »

...p.s. pretty sure Baxter/JK/VW Heritage do the orange rocker box seal you are looking for, for very little cost.

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Re: 1.6 TD JX Spitting Oil from Exhaust

Post by HarryMann »

..and don't forget to add overfilling with oil, even slight, to the list of likelies!
Though turbo seals is high up there.

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Re: 1.6 TD JX Spitting Oil from Exhaust

Post by coopervan »

Good point!

I think I may have noticed a slight issue with dipstick length when using dipstick from early CS plastic dipstick/filler tube to the later metal dipstick/filler TD tube (both types that run up from the back of the base of the sump), as the plastic (with metal 90 degree bend at base) type appears to be a few mm shorter. My reading is about 10-15mm lower when using the plastic tube type dipstick on the metal type dipstick tube/filler. Is this right? CS was 1981/1982.

Incidentally, has anyone had any experience at fitting seal/bearing recon kit to the KKK turbo?

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