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1991 GMC Sonoma - Page 8 Questions & Answers
REPLACING DOME LIGHT - DOES
no it doesn't matter...the orange is +12vdc and the white is the "momentary" ground that is made with the opening of the doors , the switch, if one is up there, and the dome light switch on the dash instrument control.
Im having fuel issues and ive changed the fuel
There could be an additional fuel pump located inside your gas tank. You didn't say what type of vehicle it is, but sometimes there are two fuel pumps, one is the pain in the **** inside the gas tank, the other is under the hood.
Blower motor does not work
did you check the fuse and make sure you have a good ground.Also check with alight tester to make sure power is getting to the motor. use the switch to power it up.
I have replaced distributor cap, rotor button,plugs and wires
I had the same problem. Google your engine I had a 4.3. Click images for fiiring order you will find it. You can also click video for setting timing. I got mine running with this information. Just remember that there are two marks on the harmonic wheel one for TDC & BDC. Also you need 3 things air/fuel/spark. Make sure you have these before replacing parts it gets spendy. I got my whole distributer and spark module for 40.00.
My 1991 sonoma 2wd auto will only has low gear and
You broke the low one way clutch. The trans will need rebuilt. The truck should be drivable if you take off in Man 1, shift to Man 2 at about 12mph, then shift to drive at about 27, then shift into overdrive at about 42.
How many qts oil does it take?
For 1991 GMC Truck S15 4WD 4.3L
TBI 6cyl...
Engine Oil Type/Weight/Capacity
3539
Application:
Oil for use in temperatures above 39 degrees
Note :
Pennzoil Premium Motor Oil HD30
Application:
Oil for use in temperatures above 39 degrees
Note :
4 Quarts without filter change
VALHD30
Application:
Oil for use in temperatures above 39 degrees
Note :
Valvoline Premium Conventional 30 Motor Oil
Hope helps (remember rated this).
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