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  1. 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 …

  2. 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 …

  3. Fluttering/sputtering sound while in boost and loss of power

    May 28, 2025 · 2 days ago my 2003 mk4 jetta gls started this fluttering/sputtering noise while I'm in boost. Car drives fine while I'm out of boost but if I try and do any sort of spirited pull in any …

  4. 12v Vr6 SAI Delete Help!! - VW Forum

    Nov 17, 2024 · Since I was already taking the sai pump off to get to the crack pipe, I am deleting the SAI system. I have an 02 12v vr6. I could care less about the CEL because I live in TN and …

  5. Water Pump replacement help - VW Forum

    Oct 6, 2011 · Did some searching but need more help. Changing out the water pump in a friends 04 Jetta 1.8T. Anyone have a walkthrough for it or can offer any help?? Saw the youtube video …

  6. 1.8T SAI/N249/PCV/EVAP Delete thread. - VW Forum

    Apr 11, 2012 · well im going to be deleting all the emissions stuff in the engine bay soon. so i decided to put a thread together about it. i will throw my own DIY together once i have all the …

  7. Coolant fans wont run 2006 mk4 2.0 golf | VW Forum

    Nov 5, 2024 · If the coolant fans on your 2006 Mk4 2.0 Golf aren't running, here’s a step-by-step guide to help troubleshoot the issue:

  8. Ko4? - VW Forum

    Jul 1, 2009 · I BLEW my stock turbo in my 03 gti 1.8t auto and my friend has a brand new ko4 should i take it will it hurt my car

  9. Replacing Control Arm bushings - VW Forum

    Feb 14, 2012 · this is the rear... VWVortex.com - DIY MK4 Control Arm Bushings (Rear Only)) an other one. MKIV-Ball Joint, Control Arm Bushing, and Tie Rod END replacement - …

  10. VR6 12v coolant temp sensor replacement - VW Forum

    Oct 27, 2009 · VWvortex Forums: 99-01 VR6 coolant sensor install For starters if you haven't read the above thread, read it. Also, step 4 is the best part about this thread. Now, In the pic below, …