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VW Jetta TDI

3135 messages,  Last post on Jul 04, 2009 at 12:46 PM

You are in the Volkswagen Jetta Forum. Your Hosts are pat & karens

What is this discussion about? Volkswagen Jetta, Biodiesel, Diesel, Sedan


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#2683 of 3135
IPOD SOCKET IN CONSOLE by hlcastelo
Jan 14, 2009 (2:28 pm)
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Has anyone found decent instructions on use of this option for a 2009 Jetta TDI. Instructions provided are not very informative e.g. moving from one playlist to another using the CD changer buttons. I actually visited local dealer in order to get the IPOD to work and they were not well trained on its use. This option is not the cable instead it is the socket in the console.
 
Thank you for any light you can shed on this
 
PS - The manual did not have anything there was a two pager white insert but it was not very helpful.
#2684 of 3135
Re: Minor Leak/Drip at Fuel Pump by swalsh19
Jan 14, 2009 (6:07 pm)
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Replying to: hlcastelo (Jan 14, 2009 2:28 pm)

Got the car running finally, but notice I have a drip from the fuel pump when the car is turned off. It is by the lower left 30torx bolt. Is there a gasket in there that is easily replaceable?
#2685 of 3135
Re: Minor Leak/Drip at Fuel Pump [swalsh19] by bpeebles
Jan 14, 2009 (6:23 pm)
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Replying to: swalsh19 (Jan 14, 2009 6:07 pm)

Diesel fuel pumps have some VERY tight clearances and the utmost clenleness must be observed when rebuilding. (a single speck of dirt can destroy the innards) Use copius amounts of spray-cleaner on the outside of the unit BEFORE opening it up.
 
With that said, there is a plethera of information about TDI fuelpumps on tdiclub.com site. The most common cause of leakage is from using BIOdiesel which can cause seals to soften.
#2686 of 3135
TDI + Squeel/Whistle by swalsh19
Jan 18, 2009 (5:44 pm)
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I have 2002 TDI. I cleaned the EGR this weekend and since then I have a whistling/squeel sound when I accelerate in lower gears, it goes away when I hit 3rd or 4th gear. I hoping it has something to due with what I have cleaned on the EGR and not something to do with the Turbo.
 
I have inspected the EGR area and don't see anything wrong. Has anyone got any suggestions for what I can look for?
#2687 of 3135
Re: TDI + Squeel/Whistle [swalsh19] by elias
Jan 20, 2009 (6:55 am)
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Replying to: swalsh19 (Jan 18, 2009 5:44 pm)

vacuum leak? a connector/hose loose is loose/unattached?
if you observe/listen with hood open while someone revs engine gently
to whatever rpm, you may be able to see/hear the exact location of possible vacuum leak.
#2688 of 3135
Re: TDI + Squeel/Whistle [swalsh19] by bpeebles
Jan 20, 2009 (5:42 pm)
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Replying to: swalsh19 (Jan 18, 2009 5:44 pm)

Cleaning the EGR means removing the watercooled EGR cooler, I have to assume that you had to disconnect parts of the intake plenum to get at it.
 
Any leaks in the intake plenum will sould like a "whistle" as the turbocharger builds up pressure in the intake system. Check all connections from turbocharger, thru intercooler and into the intake manifold are correctly fitted.
#2689 of 3135
Trouble with throttle after first start for Jetta TDI by dkgarcia
Feb 04, 2009 (5:41 pm)
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This is our first message. We have a 2004 Jetta TDI. We live in Colorado and are having some cold weather. We had trouble starting it and the mechanic replaced the glow plugs (which did nothing) and then replaced the fuel transfer pump. It now starts ok, but when you step on the throttle, nothing happens. We have to restart the car numerous times and then it will finally throttle up and drive and start great the rest of the day. What the heck is going on?
#2690 of 3135
Re: Trouble with throttle after first start for Jetta TDI [dkgarcia] by bpeebles
Feb 06, 2009 (7:20 pm)
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Replying to: dkgarcia (Feb 04, 2009 5:41 pm)

I cannot tell you *specifically* what is going on but be aware that a diesel engine DOES NOT have a "throttlebody" like a gasser does.
 
In-fact, the TDI engine does not even have a throttle-cable. Instead the throttle-pedal is simply a rehostat which sends electric signals to the engine computer.
 
I do know that if the vehicle thinks that the brake-pedal is pushed, it will refuse to "throttle up" (your words). Given this, you can try pulling the brake-pedal up by hand and see if this helps the problem.
 
As for your "starting problem"... I would put money on the fact that your IQ is not set correctly. (Injection Quality) This is the #1 reason for hard starting TDI engine.
 
It is easy to check IQ using a VagCom
#2691 of 3135
Re: Trouble with throttle after first start for Jetta TDI [bpeebles] by gagrice
Feb 06, 2009 (9:19 pm)
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Replying to: bpeebles (Feb 06, 2009 7:20 pm)

I got a feeling they got a part swapping mechanic that does not have a clue about the VW TDI. I would not touch one without a laptop set up for analysis with VagCom. The age of shade tree mechanics has past. Sadly that was me. I just don't have the ambition or the need to get my hands dirty any longer.
#2692 of 3135
Re: Trouble with throttle after first start for Jetta TDI [bpeebles] by dkgarcia
Feb 07, 2009 (8:56 pm)
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Replying to: bpeebles (Feb 06, 2009 7:20 pm)

When we took it back in to our mechanic, he said something similar about the car thinking the brake was on, so they replaced the brake lamp switch, but it didn't help at all. We tried what you suggested about manually lifting the brake pedal but that also didn't help. This is our first winter for our diesel. What is required for starting them in the winter?

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