Username or Email Address
Do you already have an account?
Forgot your password?
  • Log in or Sign up

    VWVortex


    Results 1 to 26 of 26

    Thread: 91 Jetta 16V

    1. Member
      Join Date
      Aug 16th, 2011
      Location
      Savannah GA
      Posts
      214
      Vehicles
      1991 Jetta GLI (VR SWAP), 1992 Corrado SLC
      08-16-2011 10:53 PM #1
      Does anyone have a DIY on changing the alternator belt on a 91 jetta 16V? Im new to the VW club and can't figure out what to do. I purchased a Bentley manual but couldnt find any info on it.

    2. Member Estacaco's Avatar
      Join Date
      Oct 9th, 2010
      Location
      Dryden, Ontario. Canada
      Posts
      1,065
      Vehicles
      92 Jetta TD, 90 Golf 1.8L, 93 Golf 1.8L
      08-16-2011 11:05 PM #2
      I don't know if this will help but in my Diesel w/AC
      Disconnect battery.
      Disconnect alternator.
      Loosen alternator adjuster pulley.
      Remove top bolt holding in alternator.
      Remove bottom bolt of alternator.
      Remove alternator.
      Now there are two bolts to loosen the AC compressor now accessible with the alternator out. They are on opposite sides.
      Once they are loosened there should be a bolt above the right nut/bolt you loosened on the compressor.
      In some cases the compressor should drop when you loosen the bolt. In my case my compressor doesn't work and it doesn't budge so I take a wooden board and hammer to force it down. Probably not recommended if your AC works.
      After that you can now remove one end of AC belt, then remove the alternator belt.
      For re-installation follow backwards.

      Hope this helps. May not be the same as everyone else but that's how I do it.

    3. Member
      Join Date
      Aug 16th, 2011
      Location
      Savannah GA
      Posts
      214
      Vehicles
      1991 Jetta GLI (VR SWAP), 1992 Corrado SLC
      08-17-2011 10:41 AM #3
      Thanks. I will try to get on it Saturday, I'll be sure to let you know how it turns out.
      I can't believe the manual doesn't explain this.

    4. Geriatric Member VDub2625's Avatar
      Join Date
      Jan 3rd, 2003
      Location
      Fall River, MA
      Posts
      45,862
      Vehicles
      90 Jetta GLI 16v, 99.5 Cabrio Highline, 92 Golf GL
      08-17-2011 01:59 PM #4
      It does, you might not be looking in the right part. it's at the beginning IIRC, the engine or maintenance section. Or maybe in the individual sections for each part 9alt, ac, and ps).

      Either way, the above is mostly correct. I don't think you HAVE to remove the alt, though it does help since most AC compressors are well stuck. Later models (like your 91 16v) should have a ratcheting gear bolt for the compressor. When you loosen the rear bolts, then the front bracket bolt, you should be able to turn a bolt with a gear on it that pulls the AC compressor down to loosen it. Same with the alt when you are re-assembling.

      Don't forget the ps pump, which has a ****ton of bolts to loosen it. Two on the back (one visible, one recessed in the mounting bracket, by the thermostat), the tightening bolt, and the thing that bolt tightens into. That should be all you have to loosen to get the pump to move to get the belt off. Sometimes it helps to just remove them all and take the pump off too, since it's the outermost belt and can hold the other hostage.
      A2Resource
      .......

    5. Member Estacaco's Avatar
      Join Date
      Oct 9th, 2010
      Location
      Dryden, Ontario. Canada
      Posts
      1,065
      Vehicles
      92 Jetta TD, 90 Golf 1.8L, 93 Golf 1.8L
      08-17-2011 04:29 PM #5
      You don't have to remove the PS pump or belt to remove the ALT belt. Just the one side of your AC belt to pull out the ALT belt. But if you're talking non-AC I have no clue lol.

    6. Geriatric Member VDub2625's Avatar
      Join Date
      Jan 3rd, 2003
      Location
      Fall River, MA
      Posts
      45,862
      Vehicles
      90 Jetta GLI 16v, 99.5 Cabrio Highline, 92 Golf GL
      08-17-2011 06:22 PM #6
      Quote Originally Posted by Estacaco View Post
      You don't have to remove the PS pump or belt to remove the ALT belt. Just the one side of your AC belt to pull out the ALT belt. But if you're talking non-AC I have no clue lol.
      Well, that is true, I was just assuming he was doing them all at once lol. Now that i re-read he did just say alternator.
      A2Resource
      .......

    7. Senior Member Mr. Knappy's Avatar
      Join Date
      Oct 10th, 2006
      Location
      Levittown, PA
      Posts
      24,826
      Vehicles
      1991 GTI 16v
      08-17-2011 06:28 PM #7
      You still need to remove the PS belt even if you aren't changing it. The alternator belt is the first belt and unless you have some sort of magic trick to get it around the other two belts, the PS belt must be removed.

    8. Geriatric Member VDub2625's Avatar
      Join Date
      Jan 3rd, 2003
      Location
      Fall River, MA
      Posts
      45,862
      Vehicles
      90 Jetta GLI 16v, 99.5 Cabrio Highline, 92 Golf GL
      08-17-2011 06:48 PM #8
      The magic trick is that once the AC compressor is loosened and the belt taken off that pulley (but still trapped on the car by the crank and wp), the alt belt will be freed
      A2Resource
      .......

    9. Senior Member Mr. Knappy's Avatar
      Join Date
      Oct 10th, 2006
      Location
      Levittown, PA
      Posts
      24,826
      Vehicles
      1991 GTI 16v
      08-17-2011 06:58 PM #9
      My mistake, I was thinking MK1 style. Been awhile since I had to change just one belt.

    10. Member
      Join Date
      Aug 16th, 2011
      Location
      Savannah GA
      Posts
      214
      Vehicles
      1991 Jetta GLI (VR SWAP), 1992 Corrado SLC
      08-18-2011 11:35 AM #10
      Would it be a good idea to change the ps, ac, and alt belts at the same time?
      Right now I'm just trying to get the car back on the road and until I get a garage in my apt complex, I don't want to do any work that requires the car being jacked up to reach anything.

    11. Geriatric Member VDub2625's Avatar
      Join Date
      Jan 3rd, 2003
      Location
      Fall River, MA
      Posts
      45,862
      Vehicles
      90 Jetta GLI 16v, 99.5 Cabrio Highline, 92 Golf GL
      08-18-2011 11:39 AM #11
      it would be. TO get to the PS stuff the car does need to be jacked up. you can do it on a quick hydraulic jack if needed, just make sure to keep your face out from underneath for safety reasons do it at the same time as an oil change and it won't take but 10 minutes longer. Do it while the oil is draining.
      A2Resource
      .......

    12. Member
      Join Date
      Aug 16th, 2011
      Location
      Savannah GA
      Posts
      214
      Vehicles
      1991 Jetta GLI (VR SWAP), 1992 Corrado SLC
      08-18-2011 05:33 PM #12
      I just called my leasing office and I'll be getting my garage tomorrow. I hope one day to be as good as yall knowing about this stuff. Im just beginning

    13. Member
      Join Date
      Aug 16th, 2011
      Location
      Savannah GA
      Posts
      214
      Vehicles
      1991 Jetta GLI (VR SWAP), 1992 Corrado SLC
      08-25-2011 08:49 PM #13
      Ok so I took off the three bolts for the alternator and I cant get the alternator off, what else do I have to do?

    14. Geriatric Member VDub2625's Avatar
      Join Date
      Jan 3rd, 2003
      Location
      Fall River, MA
      Posts
      45,862
      Vehicles
      90 Jetta GLI 16v, 99.5 Cabrio Highline, 92 Golf GL
      08-25-2011 09:25 PM #14
      Did you losen the bolt that holds the adjuster to the head? Don't have to take it off, just enough so the arm swings up.
      A2Resource
      .......

    15. Member
      Join Date
      Aug 16th, 2011
      Location
      Savannah GA
      Posts
      214
      Vehicles
      1991 Jetta GLI (VR SWAP), 1992 Corrado SLC
      08-25-2011 10:00 PM #15
      Yes I did. I took off every bolt that was common to the alternator, I looked at the manual for ref and I did exactly what it said. Do I have to pry it out or something?

    16. Geriatric Member VDub2625's Avatar
      Join Date
      Jan 3rd, 2003
      Location
      Fall River, MA
      Posts
      45,862
      Vehicles
      90 Jetta GLI 16v, 99.5 Cabrio Highline, 92 Golf GL
      08-25-2011 10:40 PM #16
      Does it move up and down? You do have to sort of yank it out, the ear on the back right has a sliding bushing that clamps down on the bracket and can be hard to remove.
      A2Resource
      .......

    17. Member
      Join Date
      Aug 16th, 2011
      Location
      Savannah GA
      Posts
      214
      Vehicles
      1991 Jetta GLI (VR SWAP), 1992 Corrado SLC
      08-26-2011 06:35 AM #17
      It moves up and down as far as towards the engine and and towards the front of the car. I noticed that bushing on the right hand side. I'll try again tonight. I kno there's a way to do it without taking out the alternator but it seems much easier removing it. How hard would it be to put it back in if it's a pain n the ass to get out?

    18. Geriatric Member VDub2625's Avatar
      Join Date
      Jan 3rd, 2003
      Location
      Fall River, MA
      Posts
      45,862
      Vehicles
      90 Jetta GLI 16v, 99.5 Cabrio Highline, 92 Golf GL
      08-26-2011 07:08 AM #18
      It'll be easy.
      A2Resource
      .......

    19. Member
      Join Date
      Aug 16th, 2011
      Location
      Savannah GA
      Posts
      214
      Vehicles
      1991 Jetta GLI (VR SWAP), 1992 Corrado SLC
      08-26-2011 06:34 PM #19
      Ok I got the alternator off, I took off two of the compressor bolts, it's looks like the other two needs a Allen wrench or something, is this true?

    20. Member
      Join Date
      Aug 16th, 2011
      Location
      Savannah GA
      Posts
      214
      Vehicles
      1991 Jetta GLI (VR SWAP), 1992 Corrado SLC
      08-26-2011 06:57 PM #20
      Is there two or three bolts to be loosen on the ac compressor

    21. Geriatric Member VDub2625's Avatar
      Join Date
      Jan 3rd, 2003
      Location
      Fall River, MA
      Posts
      45,862
      Vehicles
      90 Jetta GLI 16v, 99.5 Cabrio Highline, 92 Golf GL
      08-27-2011 07:12 AM #21
      Should be 4. Two 8mm allen head in the back (loosen, don't have to remove), and 2 in the front (both connect to the adjusting bracket, again don't have to be completely removed, just loosened).
      A2Resource
      .......

    22. Member
      Join Date
      Aug 16th, 2011
      Location
      Savannah GA
      Posts
      214
      Vehicles
      1991 Jetta GLI (VR SWAP), 1992 Corrado SLC
      08-27-2011 11:03 PM #22
      ok. i see all 4 bolts, but what gets me is, the bolt in the front has teeth on it, isnt that the tensioning bolt for the belt? Why cant i just turn that bolt counterclockwise and loosen the belt instead moving the compressor?

    23. Geriatric Member VDub2625's Avatar
      Join Date
      Jan 3rd, 2003
      Location
      Fall River, MA
      Posts
      45,862
      Vehicles
      90 Jetta GLI 16v, 99.5 Cabrio Highline, 92 Golf GL
      08-27-2011 11:48 PM #23
      You can, that helps you move the compressor. on older cars it's just 4 bolts. On newer cars the front left bolt has that gear. Still need to loosen them all, but then turn the bigger gear bolt and it'll move the compressor for you.
      A2Resource
      .......

    24. Member
      Join Date
      Aug 16th, 2011
      Location
      Savannah GA
      Posts
      214
      Vehicles
      1991 Jetta GLI (VR SWAP), 1992 Corrado SLC
      08-28-2011 12:51 PM #24
      I just changed the belt. I want to thank everybody for thier input, you guys are awesome and gave better details then the manual. Im letting the battery charge and I will out and give it a test drive.

    25. Member 1SlyGTI's Avatar
      Join Date
      Jun 17th, 2010
      Location
      Oregon
      Posts
      106
      Vehicles
      91' GTI VR6 - 88' GLI 2.0L 16v N/A
      07-01-2012 09:02 PM #25
      I know this is an old thread, but I'm having issues swapping my alt belt out.

      It's a 91 2.0L 16v Motronic with P/S and A/C. I've done everything you guys stated, but my A/C pump doesn't drop enough to get the belt off. Looks like the clutch pully is hitting the water pump pulley.

      Do I need to loosen/remove the power steering pump from underneath then?

      Is it possible anyone could post a pic of the bolts I need to remove? I took a look at the P/S pump and it looks like there's a pretty large bracket attached to it (visa versa). All those bolts need to come out? Here's a pic of mine."



      Long story short - I have a custom 200A alternator (Excessive Amperage by Nate) that came with a custom billet pulley. As nice as the pulley is, it won't work because it doesn't have the offset needed to line up with the other pulleys. When I towed the car down to the shop to have an electrical issue figured out, for whatever reason they put on a shorter alternator belt for the custom pulley (I did not ask them to do this), now I have to swap in a longer belt so I can put a stock pulley on the custom alt.

    26. Geriatric Member VDub2625's Avatar
      Join Date
      Jan 3rd, 2003
      Location
      Fall River, MA
      Posts
      45,862
      Vehicles
      90 Jetta GLI 16v, 99.5 Cabrio Highline, 92 Golf GL
      07-03-2012 04:02 PM #26
      The wp pulley can be removed, I think it does help. Dropping the PS pump is pretty hard to explain, but I can try... that aliuminum bracket on the back of the pump, front of the engine, has two bolts that go into the pump. One is up behind the termostat almost. You'll have to feel it out, youy can't see it. The other one is pretty easy to spot. Then loosen the big long one across the top front, under the AC, and the tensioner on the bottom passenger side. Then you can usually pry it lightly and it'll move.
      A2Resource
      .......

    Posting Permissions

    • You may not post new threads
    • You may not post replies
    • You may not post attachments
    • You may not edit your posts
    •