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K1500 Suburban

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Question
Car surges in gear when stopped and it is starting to completely shut off/die after surge.
This sounds like you may have a faulty idle air control module. This is a component that monitors the flow of air into the engine at idle speeds. The purpose of this is to regulate the air being mixed with...
Question
Driving at 46 mph, SUV has resonance sound & slight vibration
Hi there. This is a common issue on this vehicle that GM has yet to fix. It is an issue with the calibrations in the computer to try and balance the power of the vehicle and the weight to get...
Question
HVAC control panel
You may just have a bad blower motor or blower resistor for the front A/C system. The blower would need to be checked to see if it is getting power to the motor from the blower switch controls. If you...
Question
Wheel is hard to turn
The power steering pump may not be working properly and not producing any pressure. The pump would need to be checked for proper pressures using a tester gauge set. If the pump is producing enough pressure then the steering gear...
Question
I have a 1999 Chevy Suburban K1500 4wd the problem started when the serpentine belt broke.
The system will need to be scanned to verify operation of the steering system variable assist system. You will need a Tech 2 or later type scanner to actuate the needed tests on the steering module and steering sensor. I...
Question
Low gas mileage on 1997 GMC K1500 Suburban V8-5.7L
Hello. We will be happy to help with your 1997 GMC K1500 Suburban. There's likely a combination of reasons as to why your MPG has so greatly declined. I suggest that you have a technician inspect the following items and...
Question
Bucking and sputtering upon startup on 1999 GMC K1500 Suburban
Hello. Thanks for writing in about your 1999 GMC K1500 Suburban. It is likely a faulty/dirty idle air control valve, a faulty mass airflow sensor or bad coil pack causing your issue. If you would like to have this looked...
Question
Rumbling noise upon acceleration
Hello. I believe the circumstance you are experiencing is from a worn component in the rear end, such as a bad wheel bearing or axle. I suggest that you have the rear end of the truck evaluated by a technician....
Question
High idle, loss of power, overheating
Hello. Thanks for writing in about your 1994 GMC K1500 Suburban. A dirty throttle body will cause the power loss and RPM fluctuations. Also, a thermostat opening slow could be the cause of your overheating concern. This should be checked...
Question
mysterious oil disappearance
Hello. It sounds like your engine may be consuming oil. Blue smoke is usually the result of engine oil being burned in the combustion chamber. It may be possible that the piston rings or valve stem seals have begun to...
Question
Left rear turn signal and break light not working.
Hi there, thanks for writing in. If all of those parts have been replaced the only other possible causes would be a fuse or a wiring problem. It is possible that that light may have lost connection somewhere between the...
Question
Why are my ABS and brake lights on
Your ABS light is on for a reason - and you have some scary symptoms that underscore that the problem is real. Your Suburban is a pre-OBD II model, so you either need a code reader capable of reading ABS...
Question
i just did my brake drums on my 1999 chevy suburban k1500 4wd 5.7l and my brake light came back on and it sounds like something is
Hello. If the brake light has come on and you hear something dragging it may be possible that one or more of the brake shoes is making contact with the switch. This can commonly be caused by maladjusted brake shoes....
Question
Could the problem be my brakes or shocks?
The scraping sound you're hearing may be due to the parking brake contacting the drum in hat rotor without the parking brake being applied. You may need to replace the parking brake shoe and install a new spring clip retainer,...
Question
My 97 Suburban dials jump all over the place.
Hi and thanks for contacting YourMechanic. Sounds like that there is either a loose ground wire to the gauge cluster panel or the gauge cluster panel is shorting out. Look under the dash for any broken or loose wires. If...
Question
Hello, my husband and I are considering purchasing a 1985 GMC Sierra Suburban. It has only had 1 owner and has 63K miles.
This model truck in general has a good history, with no Federal Recalls recorded, and no apparent dealer technical service bulletins. If the truck spent any time in Pennsylvania in the winters, it should be checked for salt or other...
Question
Rough idle and sputters while driving
Hey there. This is a common sign of a failing idle air control valve. The idle air control valve monitors the air intake as it is mixed with fuel prior to being injected into the engine. This valve is controlled...
Question
Will a bad O2 sensor damage my car's computer?
The engine control unit (ECU) is a possible cause of the O2 sensor fault codes but not the most likely. Your vehicle is equipped with 4 O2 sensors. Bank 1 is the driver's side. Bank 2 is the passenger side....
Question
How do I override the interior light delay module so when I shut the door the lights will turn off?
Hi there. The interior lamp control module is located under the center of the instrument panel on the dash of your vehicle. Look for any ground wires to the interior light circuits to see if they are loose. If all...
Question
Hissing noise when brake pedal depressed.
Hello, the hissing sound is an internal vacuum leak with in the brake booster. The booster uses vacuum to assist with the brake pedal apply. You will need to replace the booster. If you'd like, a certified Your Mechanic...

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