Valve Cover Gasket And Chain Tensioner Seal Kit. Everything you need to perform gasket and seal replacement on your 1.8T. Brand: ES#: 2695709. Mfg#: 058198025A. Qty: Availability: Ships in 2 Business Days.
1.8T serious misfire when on boost. My Mk4 gti is a 2001 AUM stage 2 revo. After coming back off holiday and collecting car from Manchester airport outside parking where it had been for 2 weeks at the end April, the drive over theWoodhead back to Sheffield was fine , until I dropped in to third and booted it to get past some cars on the way up
The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines *General use blow off valve for custom big turbo applications - Not a direct fit valve*. Brand: ES#: 4007245. Mfg#: TS-0204-1131. Qty: Availability: In Stock.

MK4 2.0 to 1.8T Swap. Well as i have noticed there are more and more questions regarding this swap, and the general thought seems to be this swap is easy, and a good choice for the 2.slow, i will be updating this thread as much as i can with pictures over the next week or so describing this swap. Here is some general info.

Official Mk4 Exhaust Thread. So recently ive noticed alot of questions on exhaust systems for the mk4 i hope that this thread can answer all to most of those questions. first part of every exhaust system is the exhaust manifold this is where the exhaust first exits your engine and starts making its way to the atmosphere.

Hi, I'm having problems with my MK4 Golf GTI 1.8t which has the AUQ engine. The car started juddering when accelerating in low down revs, the turbo doesn't seem to work until above 3500rpm and occasio … read more

One of the most important guides/pages we wrote and probably going to be the most popular is the K03s tuning guide. The guide will give a low down on all the best modifications to do in order to get the best overall performance and efficiency from the hardware. You can take a look at the guide here: 1.8T Stage 1 K03s. Or. 1.8T Stage 2 K03s FBqac0.
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    • mk4 golf 1.8 t tuning guide