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Forum: 1.8T Engine

Discussion area for the 1.8 liter turbocharged 4-cylinder engine found in the Audi A3, S3, A4, Golf/Jetta MkIV, New Beetle, Passat, TT, etc.

  1. Exclamation Sticky Thread Sticky: VW 1.8T Engine Info

    Information regarding the 1.8 Turbo Engine for VW. Volkswagen Engine Information Includes engine codes, model years, horsepower, OEM boost, etc. ...

    Started by Ricas, 05-04-2008 10:48 AM
    • Replies: 4
    • Views: 56,616
    05-07-2008 06:02 PM Go to last post
  1. Charge Air Pressure Actuator- 2016 Passat R-Line

    Hi folks, I'm repairing my 2016 Passat R-Line after a collision but after replacing all parts upfront, when the key is turned to the "ON" position,...

    Started by Daavi, 08-08-2017 07:56 PM
    • Replies: 0
    • Views: 122
    08-08-2017 07:56 PM Go to last post
  2. 1998 Passat 1.8lt rpm's dropping and tough to start after fueling up.

    Hi, i have a 1998 passat 1.8lt I've had it for about 6 months, since day one ive had problems with starting the car up after fueling up (doesnt...

    Started by show_time_23, 04-11-2011 04:39 PM
    • Replies: 8
    • Views: 2,882
    06-13-2017 11:04 PM Go to last post
  3. RPMs Dropping when at a complete stop

    I've noticed recently that the RPMs have been dropping when stopped, but only after I have driven for a bit. Once the car is in motion(even without...

    Started by Clholmes, 06-13-2017 11:02 PM
    • Replies: 0
    • Views: 430
    06-13-2017 11:02 PM Go to last post
  4. Firefox готовит конкурента Skype

    Недавно Mozilla выпустила обновлённую версию браузера Firefox за номером 41, которая стала доступна пользователям Windows, Mac, Linux и Android....

    Started by akunoc, 02-24-2017 08:34 AM
    браузера, интернет, mozilla
    • Replies: 0
    • Views: 1,464
    02-24-2017 08:34 AM Go to last post
  5. MAF for 180hp MK4

    Hey Guys, My MAF wiring harness on my 02 GTI AWP has 4 slots/wires, but the BOSCH replacement MAF i bought has 5 spades on it. Googled this and...

    Started by dub_0_7, 07-25-2014 03:30 PM
    • Replies: 12
    • Views: 4,153
    10-06-2016 09:33 PM Go to last post
  6. Steering Very Tight. Making Noise!

    My steering lately has been very stiff and hard to turn while driving slow. I've talked to jason about a crumpling noise in the front while turning...

    Started by VDUB02, 11-04-2010 12:49 PM
    • Replies: 7
    • Views: 3,049
    10-06-2016 08:18 AM Go to last post
  7. vw1.8t timing belt

    I recently purchased a used 1.8t awp motor to replace the blownmotor in my car. I was going to change the timing belt and water pump with the engine...

    Started by biggsk1500, 10-09-2013 10:28 PM
    tomi
    • Replies: 2
    • Views: 2,216
    10-06-2016 08:06 AM Go to last post
  8. How-To Remove 1.8T Head

    hahah, you thought this was going to be a how-to, but it's actually a question. How-to remove it? The big Q is, do I need anything special...

    Started by footose, 04-14-2011 06:31 PM
    • Replies: 15
    • Views: 14,889
    10-06-2016 04:12 AM Go to last post
  9. 1.8t - unplugged MAF, runs exactly the same

    Hey guys, I have searched the forums and google boxed this one and haven't found a answer to my questions. My 1.8t (2002 AWP ) runs pretty well,...

    Started by dub_0_7, 06-22-2014 05:34 PM
    • Replies: 9
    • Views: 2,554
    10-06-2016 01:04 AM Go to last post
  10. Help, wierd noise when cold start 1.8T gti 2001 AWW

    hey guys this is my first post an i was wondering if you guys could help me find out where this weird sounds is coming from.. i got the car last...

    Started by DansDub, 04-30-2014 05:21 PM
    1.8turbo, 2001, aww, golf, gti
    • Replies: 6
    • Views: 3,094
    10-04-2016 06:40 PM Go to last post
  11. 2003 Passat 1.8T - Advice

    So i just bought a 03 passat 1.8t automatic with 190k miles and after getting it home it started shuddering and the check engine light was flashing....

    Started by scrapdizle, 02-28-2016 08:24 AM
    • Replies: 0
    • Views: 5,390
    02-28-2016 08:24 AM Go to last post
  12. timing belt broke- looking for some tech advice

    My timing belt broke on the hyway the other day, I got it home and started the replacement, i lined up crank to tdc #1 and lined up cam pulley to its...

    Started by dubbed_long Island, 06-22-2015 01:28 PM
    1.8t, jetta wolfburg, timing belt
    • Replies: 0
    • Views: 6,753
    06-22-2015 01:28 PM Go to last post
  13. Question 01 1.8T Wolfsburg Jetta Problems

    I have a 2001 Wolfsburg Jetta with approximately 186k miles on it. I am not a mechanic in any sense but I can do simple repairs. I have a few...

    Started by kwalk14, 04-26-2015 03:42 PM
    idle, noise, smoking, turbo
    • Replies: 0
    • Views: 5,677
    04-26-2015 03:42 PM Go to last post
  14. 1.8t wolfsburg air conditioning help

    I have a 2001 jetta 1.8t wolfsburg. My ac stopped blowing cold. The heat still works, and the compressor turns on when I turn the ac on. I put a...

    Started by rushismyband1722, 04-03-2015 03:54 PM
    air, compressor, conditioning
    • Replies: 0
    • Views: 3,687
    04-03-2015 03:54 PM Go to last post
  15. 01 1.8t jetta Wolfsburg

    Im thinking about buying this car for 2700 bucks. And I was just wondering if you guys recommend anything to maybe clean it when I get it. As in...

    Started by Zachabbott, 03-24-2015 03:30 PM
    • Replies: 0
    • Views: 2,103
    03-24-2015 03:30 PM Go to last post
  16. 2001 1.8t swap to 2004 1.8t ? Is it possible ?

    Just a quick question, can I swap a 2001 1.8t Jetta too my 2004 1.8t Jetta gli ?! NEED HELP ASAP PLANNING ON PICKING WHOLE car soon to do the swap ...

    Started by Daniezuko, 03-04-2015 01:32 PM
    1.8t, jetta
    • Replies: 0
    • Views: 3,210
    03-04-2015 01:32 PM Go to last post
  17. Turbo leaking oil...

    Ok For some time now my turbo has been leaking oil.. from what I've gathered (from Cherry's Turbo) The seal on a turbo is not the greatest and will...

    Started by Born2DUB, 04-07-2007 08:34 PM
    • Replies: 15
    • Views: 12,730
    09-15-2014 02:37 PM Go to last post
  18. 2002 Golf GTI 550K?

    Is it possible to have a GTI with this kind of mileage. Apparently been regularly maintained with synthetic oil and tranny fluid. Mostly highway...

    Started by Shutterbug, 06-22-2014 11:59 AM
    • Replies: 3
    • Views: 2,060
    07-06-2014 10:19 AM Go to last post
  19. 1.8t AWP w KO3s manifold -> turbo gasket replacement

    Want to know if anyone has replaced the exhaust mani -> turbo gasket on their 1.8t. Heard many different things about how tough and how long it...

    Started by dub_0_7, 06-24-2014 11:38 PM
    • Replies: 0
    • Views: 2,555
    06-24-2014 11:38 PM Go to last post
  20. Broken/disconnected mystery hose?

    2003 VW Passat GLS 1.8 Turbo I have a hose on the passenger side of my engine that came disconnected or is possibly broken. It seems to only have...

    Started by safiyaspaghetti, 06-11-2014 12:26 PM
    • Replies: 0
    • Views: 2,586
    06-11-2014 12:26 PM Go to last post
  21. wastegate spring mod

    hi guys. im new to the forum and i have 2003 jetta 1.8t 125k, stock tune with just a cold-air intake. i do plan on putting more mods to it soon but i...

    Started by tdron21, 01-07-2014 10:36 PM
    • Replies: 3
    • Views: 2,115
    04-28-2014 06:33 AM Go to last post
  22. Stage 1 reflashed 1.8t

    I reflashed by MK 4 1.8t a few months ago to stage 1, and was loving the boost...but recently i went to a mechanic who reset/ reflashed my system...

    Started by 20george20, 04-10-2014 12:07 PM
    • Replies: 3
    • Views: 2,053
    04-12-2014 05:12 PM Go to last post
  23. Oil Smell in Vents

    My 1.8t 2000 has an oil smell in vents. My Vagcom says secondary air flow injection problem. I replaced the valve gasket seal. No obvious oil...

    Started by GasPig, 03-01-2014 10:31 AM
    • Replies: 0
    • Views: 1,825
    03-01-2014 10:31 AM Go to last post
  24. Oil Leak

    I cant seem to find the source of a small oil leak. I added some dye to help find it - here is what I see. Some oil resting in the grooves where...

    Started by turbo, 12-18-2013 12:57 PM
    • Replies: 0
    • Views: 1,803
    12-18-2013 12:57 PM Go to last post
  25. 3" APR DP install options

    Bought a 3" APR DP as stated in title. I'm running stage 1 APR right now with Forge TIP and 007 DV. Thinking about going stage 2, but worried about...

    Started by dub_0_7, 12-05-2013 09:43 AM
    • Replies: 5
    • Views: 2,669
    12-10-2013 12:07 AM Go to last post
  26. Improved performance after unplugging MAF

    Hey guys, been a while since I've posted on here. I have an 02 gti (only engine mods are 007 DV). Recent upkeep includes the following: ...

    Started by dub_0_7, 11-26-2013 04:45 PM
    • Replies: 1
    • Views: 2,136
    11-29-2013 06:49 AM Go to last post
  27. recall question 2003 jetta wolfsburg

    Hey guys, I have a 2003 jetta wolfsburg with the 1.8t engine and I've been having some trouble with cold starts and the car chugging and then...

    Started by Dark00jetta, 11-10-2013 02:17 PM
    • Replies: 0
    • Views: 2,004
    11-10-2013 02:17 PM Go to last post
  28. In desperate need of someone who knows there way around turbos

    I bought a 1.8t about sixth hand. There's been work done intercooler bov installed and a lot of vacuum tunes going every which way. Some are barely...

    Started by 2001 dub 1.8t, 10-30-2013 07:16 PM
    • Replies: 3
    • Views: 2,239
    11-06-2013 04:51 PM Go to last post
  29. 2001 1.8t basic questions need help

    Just bought a gls 1.8t 2001 vw golf from a dealership. It's been through a couple owners and they did some upgrades at the dealership. They installed...

    Started by 2001 dub 1.8t, 10-27-2013 11:24 PM
    • Replies: 1
    • Views: 2,204
    10-30-2013 05:11 PM Go to last post
  30. vw 1.8t motor change

    I'm about to change the motor in my 2002 Vw awp 1.8t any pointers or tricks on how to do it?

    Started by biggsk1500, 10-10-2013 08:34 AM
    • Replies: 3
    • Views: 2,130
    10-10-2013 03:35 PM Go to last post

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