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Chevy Suburban

944 messages,  Last post on Nov 20, 2009 at 6:44 PM

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#843 of 944 98 Suburban Shaking Violently by fuegoman Aug 19, 2008 (9:11 pm)
Lately while driving uphill my 98 K1500 starts to shake really bad... it's not the tranny, it was just replaced and then checked again... the mechanic had it happen to him and he seems to think it's not getting fuel... already replaced the fuel pump...   To me it feels like the timing is doing something funny, but have replaced the distributor 3 times and its still doing it?   Thanks for the help.
#844 of 944 Re: 90 Suburban Heater Problem [wmbigs] by mudrat Aug 24, 2008 (8:49 am)
Replying to: wmbigs (Dec 13, 2006 8:52 pm) I had almost the same problem minus the RPM change. Check under the dash. The ductwork in the center, above the hump, does not match up very well. I took wide seal tape and wrapped the opening. Also, rust right of the hump, a cable comes down to a fin that directs all the air. A clip on mine broke. The deflector did not close completely. Vacuum does control the deflector. So motor vacuum might be part of the problem.
#845 of 944 A/C and Heater Porblems.. Please Help. by eric90suburban Aug 31, 2008 (2:00 pm)
I have a 1990 Suburban as I'm sure you can tell by my name. I have had it for a long time and when I got it everything worked fine. Recently the A/C and heater started acting up. They both work if your touching the vent but the fan that blows the hot and cold air out just doesn't work. Is this a common problem? Is it an easy fix? Any ideas for me? Please help me out here.                   Thanks for you time, Eric Replies to this message: kiawah (Aug 31, 2008 3:10 pm) haiii (Sep 01, 2008 6:19 pm)
#846 of 944 Re: A/C and Heater Porblems.. Please Help. [eric90suburban] by kiawah Aug 31, 2008 (3:10 pm)
Replying to: eric90suburban (Aug 31, 2008 2:00 pm) Check the fan resistor bank, it's in the air ductwork under the dash, on the passenger side, by the blower motor. The fan resistor is used to allow the 12volt dc motor to have multiple speeds, and run slower than the full 12volts. The output of the fan squirrel cage typically blows right across the reistors to keep them cool.   Follow the wires from the fan motor, they will plug into the resistor bank.
#847 of 944 Re: A/C and Heater Porblems.. Please Help. [eric90suburban] by haiii Sep 01, 2008 (6:19 pm)
Replying to: eric90suburban (Aug 31, 2008 2:00 pm) It is probly just a bad fan motor. Easy fix under the dash on the right side by the passanger side. Three nuts and remove from housing and order new one put back in. Unsually comes with the squirrel cage if not remove off old moter and install.
#848 of 944 1995 GMC SUB 4x4 will not start by acehi Sep 24, 2008 (10:43 pm)
The problem I'm having, it will start sometimes and at other times it will not turn over at all. The battery and cables are good. The dash has all of its lights. With the head lights turned on while I try to start it, don't even dim. I have changed out the safety neu. switch at the tranny (advice from a friend), it help so I thought for about a month. Today I went out to start it and its back to the same old problem, turn the key and nothing happens. What do I need to do to fix it. I'm pretty good at turning a wrench. Thanks for you help. Tony Replies to this message: kiawah (Sep 25, 2008 8:23 am)
#849 of 944 Re: 1995 GMC SUB 4x4 will not start [acehi] by kiawah Sep 25, 2008 (8:23 am)
Replying to: acehi (Sep 24, 2008 10:43 pm) May be a solenoid/starter problem.   To avoid just throwing parts at this problem, I would hang a fused test lead off of the starter solenoid (the power coming from ignition switch), to see if the solenoid is being told to engage.   If you are experiencing the problem, and you turn the ignition switch and see power going to the solenoid, and the solenoid doesn't engage and turn the engine...then you've proved it's a solenoid/starter problem.   If on the other hand, you have no power being supplied, then you know the problem is 'upstream' of the starter, for instance possibly the ignition switch itself.
#850 of 944 love my 90 burban by troubletroop Sep 28, 2008 (4:25 pm)
i have a 1990 suburban for some reason wind i start it she is burning rich, even after warm up it still burning rich you can see black smoke coming out tail pipe, did a complet tuneup, replaced my distrbutor, installed new exhaust system needed it, map sensor, check the timing an still burning rich, if any one out there had this problem happen to them may be can help me with this. Replies to this message: arrie (Sep 29, 2008 8:22 am) troubletroop (Sep 29, 2008 9:19 am)
#851 of 944 Re: love my 90 burban [troubletroop] by arrie Sep 29, 2008 (8:22 am)
Replying to: troubletroop (Sep 28, 2008 4:25 pm) Did you replace O2 sensors?   Arrie Replies to this message: troubletroop (Sep 29, 2008 9:19 am)
#852 of 944 Re: love my 90 burban [arrie] by troubletroop Sep 29, 2008 (9:19 am)
Replying to: arrie (Sep 29, 2008 8:22 am) yes i replaced o2 sensor, an the cat is new.

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