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  1. Rust in coolant system. | VW Forum

    Feb 9, 2025 · Rust in coolant system. jetta mk4 diesel Jump to Latest 893 views 1 reply 2 participants last post by John-Arteon Feb 11, 2025 M

  2. dimmer switch - VW Forum

    Nov 11, 2009 · i want to wire my boost gauge into my dimmer switch. right now i have it wired in generically into the fuse block.. into one of the fuses for the key.. so its on whenever the car is …

  3. boser hood extension | VW Forum

    Jan 19, 2011 · I was planning on getting the speedtech boser hood extensions but my friend told me any local bodyshop can probably do it so i went to a bodyshop and they told me that my 04 …

  4. Parts interchange guide - VW Forum

    Oct 18, 2006 · will the Mk4 front clip fit the Mk3's? Did VW keep the base chassis the same, making this a "bolt on" affair, or is it MAJOR reconstruction? MK3s and MK4s are totally …

  5. Jetta/Golf Electrical Problems - VW Forum

    May 30, 2010 · HI: I'm new around here, I have two a golf MK4 2000 and a Jetta 2005 both with the same problem, "THE MAIN FUSE BOX MELTS OUT SOME FUSES". Here is the …

  6. Which would be better? VR6 vs. 1.8T(337) - VW Forum

    Nov 17, 2009 · I have an opportunity to purchase either a 2004 VR6 or a 2002 1.8T 337 edition. I realize the value of each and see that the 337 would be a much cooler car to own, but as for …

  7. 2.0 Rough Idle/Engine Hesitation When Cold - VW Forum

    Dec 14, 2020 · I own a 03 MK4 2.0, and love every bit of it. But, lately as it's been getting colder my car has started to have a rough idle with occasional misfires when starting it up in the …

  8. Removing catalytic converter, straight pipe - VW Forum

    Nov 30, 2010 · I bought an 03 jetta gls this past week with an engine light on. The code says there is a catalytic converter issue. Emissions testing is no longer done where I live in Ohio so …

  9. Monsoon Noob - VW Forum

    May 11, 2010 · The monsoon system is a factory stock system. Its installed in every vw MK4. Not sure about the other generations. They all have 6 speakers and an amp in the trunk area. The …

  10. A/C not working - VW Forum

    Jun 25, 2013 · Here's where I used to look at the fuse info for the MK4 Golf/Jetta IV Fuse List See if the clutch is engaging. At idle with the AC off the center of your AC compressor pulley …