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Adam's '92 VW Jetta GL 8V "HellInA"
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Adam's '92 VW Jetta GL 8V "HellInA"
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Sum Old Guy
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Joined: 20 Jan 2008
Posts: 34


Location: Warner Robins, GA

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Sum Old Guy wrote:
stuston wrote:
No troubles that day, it stoped raining by the time I went home.

But now I'm having trouble with the coolant level.  Light comes on, coolant is low; top it off and drive some more, light comes on, take a look and the bottle is about to burst.  Releave the pressure and let it over flow, or pump a little bit out.  Drive some more, coolant low.  This afternoon I let it run at full temperature for a good 15 minutes, checking the levels with the cap off.  Reved it a bunch, fast and slow, got it just perfect with *no* air bubbles... surely.  That seems to be OK for now.

Then, my oil pressurne light and buzzer start flashing, then go away.  Both indicators happen most frequently when stopping or slowing down after a highway-speed run.  I'll keep an eye on the coolant, but I think I have that figured out now.  Need to follow the Bently proceedures to determine if I have a bad oil pressure switch.  Does anyone have an oil pressure guage?

Any thoughts?  Anyone?


as far as the oil pressure light, try running 20w50 (if you're not already).  I did that to mine last year and haven't seen that light come on since


forgot to mention that Mikey at Barry Palmer Auto in Marietta suggested that.  He said that the older VW's with high mileage seem to like 20w50 and run better

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It's the PRINCIPAL of it!  I'm talkin PRINCIPALITIES!
Sat Dec 20, 2008 9:59 pm View user's profile Send private message
stuston
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Joined: 23 Jun 2007
Posts: 761


Location: Macon, GA

Post Reply with quote
Sum Old Guy wrote:
Sum Old Guy wrote:


as far as the oil pressure light, try running 20w50 (if you're not already).  I did that to mine last year and haven't seen that light come on since


forgot to mention that Mikey at Barry Palmer Auto in Marietta suggested that.  He said that the older VW's with high mileage seem to like 20w50 and run better


That's what I normally run, on just about everyone's reccomendation, but I thought I'd run a little lighter for the break-in in the cold weather.  I'm going to do an oil and filter change and check the pump before I drive it anymore.  I will probably go ahead and run the Bently troubleshooting on the sensors just to be sure.

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-A. Dub
1992 MkII Jetta GL 8V

(I like playing with forums)
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Tue Dec 23, 2008 1:08 pm View user's profile Send private message
Sum Old Guy
Member


Joined: 20 Jan 2008
Posts: 34


Location: Warner Robins, GA

Post Reply with quote
stuston wrote:
Sum Old Guy wrote:
Sum Old Guy wrote:


as far as the oil pressure light, try running 20w50 (if you're not already).  I did that to mine last year and haven't seen that light come on since


forgot to mention that Mikey at Barry Palmer Auto in Marietta suggested that.  He said that the older VW's with high mileage seem to like 20w50 and run better


That's what I normally run, on just about everyone's reccomendation, but I thought I'd run a little lighter for the break-in in the cold weather.  I'm going to do an oil and filter change and check the pump before I drive it anymore.  I will probably go ahead and run the Bently troubleshooting on the sensors just to be sure.


oh, ok.  I replaced my pump and sensors a few months before Mikey told me to run the 20w50.  Before I changed the oil, the damn light was coming on.  But, I got lucky, because the buzzer wasnt going off.

Good Luck, though

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It's the PRINCIPAL of it!  I'm talkin PRINCIPALITIES!
Tue Dec 23, 2008 5:45 pm View user's profile Send private message
stuston
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Joined: 23 Jun 2007
Posts: 761


Location: Macon, GA

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I pulled the oil pan and pump, cleaned the sludge out of everything.  Replaced the filter and filled her with 20W50.  So far she's running smooth and no warnings from the dash.

The 10w40 I drained from her was super dirty, but not burnt.  You could see it on the funnel; a layer of particles settled on the plastic while fresh oil sat on top of it.  So my intent of using the lighter oil seems to have worked, I got all the gunk out.  I just didn't drive it as long as I had planned.  I think I only ended up with about 200 miles.

Coolant light did come back on this morning.   It's right at the MIN mark, so I'm just going to ignore the light and add just a few ounces at a time to see if it levels off or is actually leaking.

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-A. Dub
1992 MkII Jetta GL 8V

(I like playing with forums)
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Mon Dec 29, 2008 7:51 am View user's profile Send private message
stuston
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Joined: 23 Jun 2007
Posts: 761


Location: Macon, GA

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Coolant seems to be fixed now.  I clamped off the feed hose and removed the resevoir.  I sprayed some brake cleaner in there and swished it around for a while.  Did that a few times and got some gunk out of the brand new resevior... more rebuild sludge, next time I will flush it first.  So now the sensor seems to be working fine.  I'm still a little worried that the cap is not bleeding off pressure like it should be.  Does anybody know if the cap is supposed to be completely tight, or backed off half a turn?

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-A. Dub
1992 MkII Jetta GL 8V

(I like playing with forums)
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Wed Jan 07, 2009 12:15 pm View user's profile Send private message
fxgolf
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Joined: 12 May 2006
Posts: 1162


Location: this side of hell

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as far as i know it is supposed to be completly tight.  the inner guts allow the pressure to bypass.  is the cap new?  if so i have heard of new caps being bad.  did it come from VW directly?  or aftermarket OEM?

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Wed Jan 07, 2009 8:16 pm View user's profile Send private message Send e-mail
stuston
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Joined: 23 Jun 2007
Posts: 761


Location: Macon, GA

Post Reply with quote
fxgolf wrote:
as far as i know it is supposed to be completly tight.  the inner guts allow the pressure to bypass.  is the cap new?  if so i have heard of new caps being bad.  did it come from VW directly?  or aftermarket OEM?


New, came from GAP, but I'm pretty sure it is OEM supplier, not 3rd-party.  It just screws down so much I don't see how it could vent, and the part with the o-ring doesn't seem to move much.  It's not leaking anyhere as far as I can tell, but the level is dropping off slowly.  Could it be that it's not holding any pressure and so there's just coolant slowly evaporating out over 50-60 miles?

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-A. Dub
1992 MkII Jetta GL 8V

(I like playing with forums)
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Wed Jan 07, 2009 9:49 pm View user's profile Send private message
stuston
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Joined: 23 Jun 2007
Posts: 761


Location: Macon, GA

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Hellina has been down for the past ~month with another blown head gasket.  I relized that I didn't get the timing right, but it wasn't so bad that she wouldn't run.  Don't know if I have another problem, like a clogged cat, but I'm going to try a new headgasket and getting the timing right, then work from there.

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-A. Dub
1992 MkII Jetta GL 8V

(I like playing with forums)
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Sun Feb 22, 2009 9:25 pm View user's profile Send private message
fxgolf
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Joined: 12 May 2006
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Location: this side of hell

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good luck old bean PDT_Aliboronz_15

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Thu Feb 26, 2009 6:48 pm View user's profile Send private message Send e-mail
stuston
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Joined: 23 Jun 2007
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Location: Macon, GA

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After getting her running for about ten minutes, I got more coolant out the tailpipe.  Mark told me to retorque the headbolts, which I did... same result.  So after another "heat cycle", I decided to make sure they were all equally torqued.  Started with #1, got a setting from it of about 110Nm, so by the time I hit the 4th one... pop.  Yeah, that was too much.  So now the head comes back off again.... I'm really dreading this, I think I'm done.

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-A. Dub
1992 MkII Jetta GL 8V

(I like playing with forums)
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Sat Mar 14, 2009 8:55 pm View user's profile Send private message
fxgolf
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Joined: 12 May 2006
Posts: 1162


Location: this side of hell

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so a VR swap is in the works?  i will help you out with the work.  but a G60 wit a Gladder would be sick.

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Sun Mar 15, 2009 8:13 pm View user's profile Send private message Send e-mail
stuston
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Joined: 23 Jun 2007
Posts: 761


Location: Macon, GA

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I'll be doing whatever's cheapest... so if you want to give me one of those VR6's laying around your garage for the price of scrap, plus all the parts... then it's on.  Smilie_PDT

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-A. Dub
1992 MkII Jetta GL 8V

(I like playing with forums)
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Mon Mar 16, 2009 6:11 pm View user's profile Send private message
fxgolf
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Joined: 12 May 2006
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Location: this side of hell

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well if you want to rebuild one of them you can have the obd1 block i have.

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Tue Mar 17, 2009 6:54 pm View user's profile Send private message Send e-mail
stuston
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Joined: 23 Jun 2007
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Location: Macon, GA

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Monday night I got her running again.  All seems to be well with the leaks gone, not nearly as much water out of the tailpipe, and no smoke.  I drove her most of the day Tuesday, while it wasn't raining and she did pretty well, aside from a little bit of odd throttle response -- either there's some water in the tank or front wheels slipping because the tires are slick as shit.

Drove her to work on Wednesday, and developed a miss and started losing a lot of horsepower.  I checked the plugs last night and #4 was wet with gas.  I'm going to verify the timing marks and replace the rotor cap - I cracked one of the post shrouds and glued it back together, plus being wet = not a happy rotor.  If that doesn't do it, I'll rotate injectors to see what I come up with.

_________________
-A. Dub
1992 MkII Jetta GL 8V

(I like playing with forums)
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Thu Apr 02, 2009 8:30 am View user's profile Send private message
stuston
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Joined: 23 Jun 2007
Posts: 761


Location: Macon, GA

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I guess it's time for an update...

Cracked all 4 pistons around the ring grooves, pretty ugly.  Got a CIS motor, stripped the block and had it hot dipped, machined, and IS bearings put in at Reeve's - good work, very quick and cheap.  Built it back up with all new parts, aside from the heavy peices, used the CIS rods and pistons and the Digi head.  Painted her "cast iron grey", and after a very busy summer, finally got it installed.

This week I finally put the finishing touches on her and got her fired up.  For some reason I always have the distributor timing off on inital startup, so it took me a bunch of tries to get her runnning.  I think that dumped a bunch of gas in the cat; by the time Mark and I got the timing checked out, the cat was seriously glowing.  Odd thing was that it was glowing from the back side.  I had to figure it is because of the massive restriction at the end of the straight pipe, going from 2.5" to 1.75", was making the gases back up into the cat.  Anybody got a better explaination?

We took her for a test run, got half way down the block and the oil pressure buzzer went off around 3kRPM, cleared it, tried again... car kept losing power, but the buzzer was only going off above 2500.  After a day of wondering, tried it again and wouldn't start at all.  Mark came over and we checked the cat for meltdown, good; tried spraying starting fluid and got a few fires out of it; decided it wasn't getting fuel, but didn't know why.  I had noticed the fuel pump sounded funny, so naturally I thought I just had another bad MKII pump.  Then Mark asked the stupid question, and he was right... I was out of gas ;(

Put in a couple of gallons of 92octane and she started with just a few tries.  Still running rough, but the timing was still good.  No glowing cats, but we didn't run her up as much, and definately didn't dump as much unspent fuel.  Tracked down an annoying oil leak to the back side of the valve cover gasket, hope that does it.  Noted oil smelled like gas, but a sop-and-fire test proved there wasn't much gas in the oil.  

Still getting a lot of low RPM vibration, and oil buzzers over 2500 RPM.  I want to think it is just all the new gear needing to be broken in, but it may very well be the one oil sensor I didn't replace, some assembly trash clogging the oil filter or the oil passages.  I really don't want to waste 5 quarts of new oil to find out, but I guess if I'm clean and filter it I could reuse it.



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-A. Dub
1992 MkII Jetta GL 8V

(I like playing with forums)
Vortex Posts
Thu Oct 22, 2009 11:05 am View user's profile Send private message
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