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VW Jetta TDI

3584 messages,  Last post on Nov 10, 2009 at 7:15 PM

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


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#2692 of 3584
Re: Trouble with throttle after first start for Jetta TDI [bpeebles] by dkgarcia
Feb 07, 2009 (7:56 pm)
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Replying to: bpeebles (Feb 06, 2009 6:20 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?
#2693 of 3584
Re: Trouble with throttle after first start for Jetta TDI [dkgarcia] by bpeebles
Feb 08, 2009 (2:20 pm)
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Replying to: dkgarcia (Feb 07, 2009 7:56 pm)

"This is our first winter for our diesel. What is required for starting them in the winter? "
 
The TDIs start very well in the winter. Just wait for the glowplug lite to go out. The colder it gets... the longer it takes for the lite to go out. (more heating required)
 
Many folks find that the TDI is so durn efficent that it does not create enough heat to warm up the cabin. Thusly, they have installed TDI heater which preheats the engine before starting it. I use a TDI heater with a timer which heats for ~2-hours before starting the engine at 5:30AM every morning.
#2694 of 3584
Re: Trouble with throttle after first start for Jetta TDI [dkgarcia] by dieselbreath
Feb 12, 2009 (9:53 pm)
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Replying to: dkgarcia (Feb 07, 2009 7:56 pm)

If the glow plugs are OK (or at least 2 of them, preferably 3 or 4) then it should fire up right away (assuming that you are waiting for the indicator light to go out before cranking the engine). However, TDIs are harder to start when warmed up because the glow plugs are not turned on after the engine warms up.
So, if the temperature sensor that tells the computer that the engine is warm already fails, then it may not turn the glow plugs on, and then it won't start.
I'm not sure, but I think the symptom would be that the glow-plug indicator lamp on the dashboard would not light up, or would light very briefly.
I've had to change all the glow plugs in my '98 NB TDI, which my son now drives.
Our 2009 Jetta TDI Wagon Hi-Line is being prepped at the dealer, and they have to install the mud flaps and tint the windows before we take posession
#2695 of 3584
maint cost after 36k miles? by Firebird_EOU
Feb 16, 2009 (10:07 am)
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What's the cost like after 36k miles? such as oil change and other major services?
So the normal oil change interval is 10k miles?
 
Thanks, NJ.
#2696 of 3584
Re: maint cost after 36k miles? [Firebird_EOU] by ruking1
Feb 16, 2009 (10:20 am)
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Replying to: Firebird_EOU (Feb 16, 2009 10:07 am)

Like anything, that really depends. But other than oil/filter changes fuel/cabin/ air filters (all common to gassers also) and a host of VISUAL inspections (which you can really DIY) the next real major tune is at 120,000 miles, which is best left to a guru to do the timing belt/water pump and Vag.com tune.
 
So if you are the stereotypical car owner that is at the 10th year.
#2697 of 3584
Re: maint cost after 36k miles? [Firebird_EOU] by bpeebles
Feb 16, 2009 (5:02 pm)
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Replying to: Firebird_EOU (Feb 16, 2009 10:07 am)

I agree with the last appender. The long-term cost of PM (Preventive Maintenance) for diesel engine (at least for VWs) is LESS than for a gasser.
 
This is mostly due to a diesel having absolutely no ignition-system to deal with. (sparkplugs, wires, distributer...etc)
 
Most of the other maintenance costs are about the same. ESPECIALLY since the newer gassers are now Synthetic oil. This makes these 2 engine-types the same in the way of lubrication cost.
 
If I were asked to think of DIFFERENCES between Diesel and gasser in terms of PMs. I would have to say the FUEL FILTER on the diesel is larger. That is about it.
 
Diesel = Larger fuel filter
Gasser = Ignition system components to PM
#2698 of 3584
Re: Foggy Windows [c280] by vdubsalesguy
Feb 20, 2009 (1:48 pm)
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Replying to: c280 (Dec 16, 2008 1:42 pm)

To keep your windows from fogging in cold weather, turn on the defroster, set the temp to hot and turn on the a/c compressor. This will draw moisture out of the air before it hits the windshield.
#2699 of 3584
Re: maint cost after 36k miles? [bpeebles] by siberia
Feb 21, 2009 (7:01 am)
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Replying to: bpeebles (Feb 16, 2009 5:02 pm)

Not disagreeing with you in any way, Bpeebles, my brother's 06 Jetta TDI went nearly 100k miles with only one fuel filter change and recommended air filter changes, oil (and filter) changes and that's it - without an iota of trouble. He has a "different" diesel mechanic who recommends not changing the fuel filter until it cuts out at high speed. Funny thing is it ran fine over 100 mph with over 60k miles on the one fuel filter. That said, I change all filters on my TDI on schedule.
 
Brother's 06 TDI is gone now. He hit 2 deer at once - got the front, hood, both front doors, windshield, air-bags, and the top. One deer somehow swung around trying to go into the driver's side window. Front and side air-bages saved him from injury. He took the insurance money, bought a 09 CR Jetta and didn't look back.
#2700 of 3584
Re: maint cost after 36k miles? [siberia] by ruking1
Feb 21, 2009 (7:27 am)
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Replying to: siberia (Feb 21, 2009 7:01 am)

Hey guy, deer tags and odd six bullets are way cheaper!!!
 
More on the serious side, VW maintenance intervals can be much more extended if one knows what one should be doing, or looking for. So while part of it is: do not try this at home.... While under the warranty (which is meager anyway) by all means do what is necessary to comply with warranty requirements and IF it requires warranty there are no issues. After that you self warranty ANYWAY as they always remind you when you look for warranty service after the warranty service is OVER!!??.... So for 3 other examples (with yours counts 4) 1. air filter requirements actually have been shown to be mis-measured. I have literally almost doubled the interval and it actually filters better!? 2. My Japanese Civic has needed 3 alignments in the span of time the Jetta has needed NONE (79,000 miles vs 114,000 miles-GTG to 200,000 miles!!?? ) 3. oem to built for oem oil filters are actually specified for 30,000 mile intervals.
#2701 of 3584
Re: maint cost after 36k miles? [ruking1] by siberia
Feb 21, 2009 (1:32 pm)
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Replying to: ruking1 (Feb 21, 2009 7:27 am)

My brother has shot a lot of deer in his life. Maybe this was payback.
 
After I bought my TDI, I changed the oil and all the filters right away. Even though the car was nice and clean under the hood the air filter was bulged out in the middle and the fuel filter was corroded, looking like it had never been changed. Surprisingly, it ran fine and I couldn't tell any difference with the new filters. What really made the difference in how it runs was putting it on the highway for 12K miles. Runs like a different engine now.
 

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