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VR-4man
Samba Member
Joined: January 25, 2004
Posts: 5
Location: DeLand, FL
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 Posted: Sun Jan 25, 2004 2:08 pm Post subject: Just bought 1988 Vanagon with ... |
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... oil pressure problems.
Nice looking van. Starts and runs well. Two problems.
1) Oil pressure idiot light and accompanying (annoying) buzzer come on after warmed up. Won't do it at idle.
Changed oil (20w50), new Bosch filter. Still a problem.
2) Wish I could send an audio file, because I don't know if what I am hearing is rod knock or not. Comes on at about 2K. Not real noticeable, but it is there just the same. Can valves make a similar noise? How can I check?
Thanks in advance for your help! |
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earthmuffin
Samba Worm Farmer
Joined: September 24, 2003
Posts: 1542
Location: In the shower..........peeing!
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| Posted: Sun Jan 25, 2004 3:15 pm Post subject: |
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If it was my van, I would hook a gauge up so I could see what the actual pressure was doing, then you can rule out an indication problem.
Do some reading on www.vanagon.com
from the home page, go to info, then to arcticles and essays, and under maintenance there is a good arcticle about oil pressure problems that might be a little enlightening. Good Luck !!!!! |
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crukab
Samba Chef
Joined: December 13, 2002
Posts: 6130
Location: Vermont
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| Posted: Tue Jan 27, 2004 9:38 am Post subject: |
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Maybe a old oil pressure sensor ? 
_________________
Tom
My Pops:
http://www.thesamba.com/vw/forum/viewtopic.php?t=604100&highlight=
I know you will always be with me, rest in peace with no more pain. 8/13/14.....
In the yard right now:
'51 Dodge 5 window truck
'65 Bug
'66 Singlecab
'82 Rabbit Truck Diesel from CALI 
'86 Doublecab W/T
'91 Vanagon carat/wolfsbrg.Tiico
'88 Dodge Ram pickup
'11 Jetta Wagon |
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[email protected]
Samba Member
Joined: March 16, 2003
Posts: 165
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| Posted: Tue Jan 27, 2004 4:04 pm Post subject: |
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There are 2 oil preasure switches. The light works off one and the buzzer works off the other. They have 2 different preasure settings. If they are both going off, check the oil preasure relief valve, may be partially stuck open or the seat could be badly worn.
_________________
'65 standard bus
'87 Vanagon Westfalia |
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jrun
Samba Member
Joined: February 04, 2004
Posts: 5
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| Posted: Wed Feb 04, 2004 7:58 pm Post subject: |
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have seen that some of the cheaper filters will cause an oil preasure flicker. the Mahle ones dont. If it's a solid light I'd check the sensors and then if it continues use a guage to test preasure.
light clatter (almost sounding like someone is tapping lightly on a piece of metal) might just be a sticking lifter. IIRC if it sounds like marble bouncing around back there it's time for a rebuild before a rod punches a hole in the case. |
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VR-4man
Samba Member
Joined: January 25, 2004
Posts: 5
Location: DeLand, FL
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| Posted: Thu Feb 05, 2004 4:29 am Post subject: |
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Well, the verdict is in. Bad bearings. Guess I am looking at a rebuild or replacement situation. 
Anyone have a line on rebuilt or used 2.1 waterboxer engines? |
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[email protected]
Samba Member
Joined: March 16, 2003
Posts: 165
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| Posted: Thu Feb 05, 2004 10:45 am Post subject: |
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A used watercooled is never a good option unless it is real cheap and you don't mind taking it out again in a little while when the heads start leaking. Boston Bob has always built the most reliable engines, but I see that Gowesty has taken to selling some good looking engines from a Cal builder.
_________________
'65 standard bus
'87 Vanagon Westfalia |
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VR-4man
Samba Member
Joined: January 25, 2004
Posts: 5
Location: DeLand, FL
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| Posted: Thu Feb 05, 2004 3:19 pm Post subject: |
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I'm doing a conversion. Got a tight engine from an 87 GTI that has already been converted and installed in a Vanagon. We're going to move the whole thing into my van. Should be sweet.
Anyone looking for a used waterboxer to rebuild? I know that the heads were recently replaced. |
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obus 
Samba Member
Joined: March 08, 2001
Posts: 11545
Location: just off Garden State Parkway Exit 81
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VR-4man
Samba Member
Joined: January 25, 2004
Posts: 5
Location: DeLand, FL
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| Posted: Thu Feb 12, 2004 8:14 am Post subject: |
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| obus wrote: |
| just remember that unless you are going to work on the converted engine yourself, a lot of shops won't touch a hybrid from what i understand. good luck with your mission! |
Yeah, I've considered that. I guess that if I have problems that I can't handle in the future, I'll have the shop that is doing the coversion take care of it. I don't have much time to devote to working on cars any more. Thanks for the "heads up". |
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obus
Samba Member
Joined: March 08, 2001
Posts: 11545
Location: just off Garden State Parkway Exit 81
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