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    VWVortex


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    Type: Posts; User: dunc12

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    1. Damn dude, the westy front end looks fantastic....

      Damn dude, the westy front end looks fantastic. Trying to track one down myself, for my black jetta... coupe... with Ronal R15s. Your "before" photo is basically my car :laugh:
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      Well I'm coming back to this after some time with...

      Well I'm coming back to this after some time with a few updates.

      After not having the chance to do much diagnosing due to time constraints, I took the car onto the highway for a bit of a...
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      I mis-typed, but I'm still curious on the...

      I mis-typed, but I'm still curious on the mechanics. I'm aware of how the engine speed on a diesel is controlled. What I should have stated from the start was "pressure relief valve".

      I suppose...
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      I'm genuinely curious as to how a BOV prevents...

      I'm genuinely curious as to how a BOV prevents the throttle plates from closing (not diesel related, I know), especially on a car with a mechanical throttle linkage.

      My thoughts on the rings were...
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      A blow-off valve's purpose is to vent intake air...

      A blow-off valve's purpose is to vent intake air pressure (post compressor) in the event of an overpressure condition. On a gas motor (with throttle blades) this occurs when the throttle blades snap...
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      Apologies. "Pressure Relief Valve", colloquially...

      Apologies. "Pressure Relief Valve", colloquially known as the blow-off valve.

      This wasn't the problem though, as the symptoms didn't change when it was blocked. Apparently, the wastegates on these...
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      Thanks for the reply. All TD VWs have blow-off...

      Thanks for the reply.
      All TD VWs have blow-off valves as a safety feature in case of manifold overpressurization. I believe it's set to open at around 13psi, so to boost higher than that it needs to...
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      Sudden Low Boost

      Hi all,

      I'm having what seems like a low boost issue and am looking for some insight. Until recently, my 1.6TD would easily boost to about 12psi at very low RPMs and stay there until I let off. ...
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      Just to bring this to a conclusion: It turns...

      Just to bring this to a conclusion:

      It turns out the PO had left out 2 of the front mount bracket/starter bolts when he rebuilt the starter, causing the engine to have a scary amount of movement....
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      A small update to add to the confusion: vibration...

      A small update to add to the confusion: vibration hasn't occurred again, but I now seem to be getting a maximum of 5psi boost, where I was getting ~12psi before all this started.

      It might be time...
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      That's my suspicion, but the nature of the...

      That's my suspicion, but the nature of the problem is puzzling me. My experience with bad motor mounts has always been the motor rocking under decel. and accel.

      I'll check the mounts tomorrow.
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      Strong Intermittent Engine Vibration

      Hi all, looking for some opinions and advice. Had a bit of a head scratcher with my 1.6TD Jetta coupe today.

      I was coasting down a hill and rolled over a bump. Right away the car started to...
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      Just bumping this with a bunch of updates...

      Just bumping this with a bunch of updates :thumbup:

      So after discovering wet carpets in my driver's side footwell, I went hunting for leaks. Number one suspect was the door vapor barrier, and lo...
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      Another slight update: interior lights now work....

      Another slight update: interior lights now work. There was no power going to the switch, and I didn't feel like troubleshooting the fuse box, so I just ran switched 12V power to the switch.

      It...
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      I was thinking the same thing, is there any way...

      I was thinking the same thing, is there any way to know if it was a special edition (e.g., flair)?

      And yes, the key marks are unfortunate, but most of them aren't very deep, I'm hoping I'll be...
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      Thanks! Me too, so far. Loving having an almost...

      Thanks! Me too, so far. Loving having an almost entirely mechanical engine.

      A slight update: I "fixed" the cluster. It turned out to be a fuse, just not the one that was labeled as such on the...
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      dunc12's Turbo Diesel Coupe Thread

      So! I recently purchased a '91 jetta coupe with a full 1.6TD swap in it to use as a daily. I guess this will be where I document my progress through fixing all the broken stuff it has. :rolleyes:
      ...
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      Problem solved :thumbup: Did some testing and...

      Problem solved :thumbup:

      Did some testing and injector bank 2 was only getting an intermittent signal due to some crappy soldering on some pins on U7. Runs and idles well now.

      Time to get brave...
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      You were right, the AE was at 15ms for any...

      You were right, the AE was at 15ms for any voltage change in the TPS! :what: I lowered it to a more reasonable curve, but also disabled it for the time being.

      I didn't get much of a chance to test...
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      Ah-hah! Changing those smoothed it out enough to...

      Ah-hah! Changing those smoothed it out enough to get it to idle fairly reliably. I used TunerStudio's auto-analyze feature to end up with a pretty solid idle, once I can get it there. It's a bit...
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