A couple of issues - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 09-18-2004, 07:05 PM   #1
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Default A couple of issues

Well lets see...

4 out of my 9 seat buttons don't work
they would be the lumber support buttons not the actual movement ones
I'm just wondering what might be wrong, any suggestions would help.

Also my mirror vibrates alot...even when just idling
I'm assuming they put it on improperly when my windshield was replaced

Last this my cars pulls to the right a bit, not too much but enough
to be annoying

Any help with this would be great
Thanks,
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Old 09-18-2004, 07:18 PM   #2
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Ok here are a few ideas before the really good gearheads help you:

lumbar functions depend on the little air compressor (under the rf seat I think) to pump em up. Are both seats dead on the lumbar functions?

Grab hold of the mirror and try to wiggle it. Is it tight to the windshield? If, no, bad mirror mount; if yes, maybe the vibrating mirror is reflecting a rough running condition.

First thing on a pull condition - tire pressure, next crappy tire. If pressure OK, switch R for L and see if pull goes to other side, if so bad tire.
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Old 09-18-2004, 07:23 PM   #3
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You can pull that assembly where the switches are out and make sure they're getting power. I'd think they are since the others are but I don't know if they run off a common power line. I'd guess more on the motors. Someone more familiar with interiors might chime in here.

Try grabbing the mirror at the base (where its glued to the glass) and see if you can shift it any. If so, pull it and reglue it. You can get the glue from almost any parts store for a few bucks. Follow the directions carefully as any dirt makes a big difference. Could it just be a rough idle? Try putting a piece of paper on different places in the car (steering wheel, armrest...) with most of it hanging off an edge. Look for the level of vibration and compare it to the mirror. Sometimes the chair can absorb a lot of the vibration thats making your mirror shake.

Take it to a wheel shop and get the alignment checked out, really common. You'll want to do it somewhat soon as unchecked it'll cause all the wear to happen on one portion of the tire instead of evenly, accelerating the need for replacement.

Good luck
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Old 09-18-2004, 07:25 PM   #4
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The other thing with the seat adjustments.. it could be the switch [highly unlikely, unless someone spilled something on 'em ] This goes along with, if neither seat works.

For the tires, it could be the brake pads are rubbing. If you do a hard stop, see if it pulls, if not, chances are it could be the brakes.

Bill suggested anything I would have said as far as the mirror goes.


-justin
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Old 09-18-2004, 07:26 PM   #5
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Quote:
Originally Posted by bill buttermore
Ok here are a few ideas before the really good gearheads help you:

lumbar functions depend on the little air compressor (under the rf seat I think) to pump em up. Are both seats dead on the lumbar functions?

Grab hold of the mirror and try to wiggle it. Is it tight to the windshield? If, no, bad mirror mount; if yes, maybe the vibrating mirror is reflecting a rough running condition.

First thing on a pull condition - tire pressure, next crappy tire. If pressure OK, switch R for L and see if pull goes to other side, if so bad tire.
haha beat me to it
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Old 09-18-2004, 08:01 PM   #6
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ok, the buttons make a click noise when you press them
they don't work for either seat

and the mirror is on there pretty good, I tried pulling it off at the base
I also tried that piece of paper...it didn't move at all

I also noticed that it didn't vibrate till I shifted into drive
(note that the paper didn't move even after shifting)
could it be the mirror'* connection to the base is loose?
or the mirror connection that swivels?

It gets pretty bad when you're actually driving
an example would be someone with a couple 12'* in the trunk with the bass
jacked all the way up
(and no that'* not the problem...theres a hole in my dash where
the facotry deck should be right not, the previous owner took it out because
it didn't work...he decided not to leave his in)

I can get a video of it if you think seeing the probem might actually help

Thanks for the input, I'll check on the alignment tire thing tomorrow
I'm going to get a hose for the compressor in the trunk

edit//

Ill try some trial and error on the connecting pieces with
some electrical tape and see if it still shakes
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Old 09-18-2004, 08:06 PM   #7
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Well the shift to drive causing more vibration is kinda normal but being like 2 12'* when you drive doesn't sound good. I'd think you could feel that in your seat, do you feel a major vibration or does it seem like the mirror is 'overreacting'? The swivel portion would be my next guess if the base is good. Try moving it to different positions and see if it makes a major difference. Use that little tap that locks it up (dunno what its called) and see if that changes anything.

Video probably isn't necessary but I always like videos haha
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Old 09-18-2004, 08:54 PM   #8
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That most definatly sounds like the swivel is messed up. Mine shakes with the "bass" of the factory system, but so does my mom'* VW with her factory system, and every other car i've seen with an actually satisfactory system. But, its just a slight vibration, I would be happy to shoot a quickie of what it looks like, however, I don't think it would be necessary.

As far as the shaking when in gear. When I had my misfire [yes I moved the car, I had to mow the lawn], the car'* idle was slightly off, but nothing too noticeable, when I revved the engine [not in gear], it seemed fine also, but still a little off in the firing order. But when I put that sucker in gear, the RPM'* dropped from liek 1100 to 600, the car stumbled for a few seconds, and then regained it, but during this time, the WHOLE car shook, I couldn't feel it in my seat, but the whole dash panel, mirror[*], wiring [my glovebox is still in the trunk], and anything I saw [but remember I didn't feel it shaking in the seat]. Now, this COULD be your problem. When you put the car in gear, do the RPM'* drop more than slightly? [a number would help on how much they drop, if at all].


-justin
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Old 09-18-2004, 10:42 PM   #9
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if you can't hear/feel the compressor, It'* dead or it'* not getting power. The switch pod is getting power since the other controls work.
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Old 09-19-2004, 12:23 AM   #10
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OK, if 93 is the same as my 92, here is the test from my FSM for no pneumatic functions on either seat.

Disconnect the lumbar control module connector
Measure voltage at harness connector terminal F (orn/blk)
Is battery voltage present?

No: Check the orn/blk (60) wire for an open

Yes:
Middle lumbar switch in the inflate position
Seat select switch left or right
Measure voltage at harness connector terminal D (Wht)
Is battery voltage present?

No: Check the white wire (766) for an open. If OK, replace the console seat switch

Yes:
Measure voltage between harness connector terminal F (orn/blk) and B (blk)
Is battery voltage present?

No: Check the blk (150) and (152) wires for an open

Yes:
Measure voltage between harness connector terminal F (orn/blk) and E (blk)
Is battery voltage present?

No: Check the blk (150) wire for an open

Yes:
Seat switch in L or R
Hold middle lumbar switch in the inflate position
Measure voltage at harness connector terminal A (blk/wht)
Is battery voltage present?

No: Check blk/wht (769) wire for an open. If OK, replace seat console switch

Yes:
Reconnect lumbar control module connector
Disconnect seat air pump assembly connector
Seat select switch in L or R
Hold middle lumbar switch in the inflate position
Measure voltage at harness connector terminal A (pnk) of the seat air pump assy
Is battery voltage present?

No: Check the pnk (76 wire for an open. If OK replace the lumbar control module

Yes:
Under the above conditions, measure voltage between terminals A (pnk) and B (orn)
of the seat air pump ***'y harness connector
Is battery voltage present?

No: Check the orn (767) wire for an open. If OK replace the lumbar control module
Yes:
Replace the seat air pump assembly

LOCATIONS OF STUFF
console seat switch - center console
lumbar control module - under driver'* seat
seat air pump assembly - under driver'* seat, (I think mine is under passenger'*)

Whew! maybe I should have scanned it!
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