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Non VW Group Diesel / Re: Renault Clio 1.9 DTI - Injection problem?
« Last post by vanbcguy on Today at 02:29:13 pm »
Lack of dynamic advance would definitely make the engine fall on its face as it accelerates. A code for a dynamic advance problem sounds like a good candidate for issues.

These pumps rely on internal pressure to make the advance mechanism work. If it were me I would:

- first make sure you have no fuel supply issues. When was your filter last changed? Any evidence of air bubbles getting in to the supply line? Air will prevent the pump from building case pressure. A restricted fuel supply will likewise cause problems. You can try pulling fuel through the filter with a Mityvac, you shouldn't see more than a couple of inches of vacuum.

- check the wiring around the pump. On VWs there's a harness that chafes causing electrical problems and the timing control solenoid is one of the things that can get affected. Inspect and repair anything you find.

- the pump pressure regulator is known to fall apart on the VP37 pumps. If you google "tdi keystone mod" you'll probably find some information about that along with a fix for it.

- if none of the above are problems then you likely have an issue with the actual timing solenoid in the pump. I don't believe it can be easily accessed without pulling the pump apart though I could be wrong. At that point you might want to see if you can find another pump.

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Non VW Group Diesel / Renault Clio 1.9 DTI - Injection problem?
« Last post by pirolito on Today at 12:12:13 pm »
Hi Guys,

sorry i dont know if this is the correct section but anyway i will post it:

maybe some can help me with an issue i currently have in my car.
I had a renault clio mk2 from 2003. it was a 1.5 dci 80bhp but i swapped to an 1.9 dTI 80bhp.

The injection is the same used on VW 1.9 tdi engines with VP37 injection pump.
 
Since i swapped the engine i had this problem that in 1500 to 2250 rev range the car is choking.
So if step on the throttle and get some progressive acceleration that car doesn't choke but as soon as the throttle gets stabilised and the rev range between 1.5 and 2.25 the car always chokes, from 1st to 5th gear.
 
Already got a new set of injectors running with the same results, then got the race520 nozzles and i started to feel more the choking.

Ran an injector cleaner and some ATF with the fuel to clean/lubricate the all circuit but the problem is the same.

I did two diagnosis one with the renault can clip software and with a universal machine.
With the universal machine it detected an error: "advance timing solenoide".

Any idea what could this mean?
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mTDI Mechanical TDI Conversions / Re: Shift light?
« Last post by vanbcguy on Today at 10:58:55 am »
There's quite a few people on here with juiced up engines hitting 6k+ pretty regularly.

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4
mTDI Mechanical TDI Conversions / Re: Shift light?
« Last post by Ian0391 on Today at 06:19:26 am »
I thought the issue on these was valve float after 5500 since there's so little clearance to the pistons.

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5
Troubleshooting / Re: 4 speed 83 Rabbit stuck in gear
« Last post by vanbcguy on Today at 02:51:28 am »
I kind of had a feeling you were out of fluid. Sorry that it's the cause.

I'd personally be looking for a 5 speed. They are plentiful enough that a good used one should be a few hundred bucks.

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mTDI Mechanical TDI Conversions / Re: Shift light?
« Last post by vanbcguy on Today at 02:48:52 am »
The injection pumps can't really get over 6500 RPM since the rollers start skipping on the camplate around there. The actual engine block, crank and rods will do 6500 without issue. Remember the gasser versions of the same engine series have factory redlines around there and aren't built as stout.

You should be fine...

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MK1 Golf/Jetta and B1 Dasher / Re: Looking to buy Caddy
« Last post by A2jettafreak on Today at 12:58:25 am »
that looks so clean wow


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8
Hi I am a new member and I am new to the VW diesel engine,
I am looking for a MTDI pump for a VW alh tdi engine thats affordable.
It is going into a Suzuki Samurai.
When I bought the truck I was told it was a aaz engine,
When I got it home it was the alh with a 1.6 injection pump and it will only run about 50 mph.
So I need a pump any help would gladly be appreciated.
Also if you know a mechanic that is good and willing to work on a conversion in the Richmond VA or surrounding area I am between Richmond and VA Beach.
Thank You
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MK2 Golf/Jetta and Audi 5k / Re: MK2 1.6 NA Diesel Coolant Replacement
« Last post by thomas m on June 27, 2017, 06:39:44 pm »
I decided to pull and replace the thermostat. Issue with that in a separate posting.

With that out, I coaxed a little more fluid out by jacking up each side.

I also back-flushed the heater core and radiator.

I filled the block through the cylinder head, then filled through the bottle as it took fluid.

Thanks for the tips.
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Troubleshooting / Re: 4 speed 83 Rabbit stuck in gear
« Last post by fatmobile on June 27, 2017, 03:56:23 pm »
I'd post on the vortex and see if you can get a $50 local 4-speed.
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