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Sierra 1500

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Driveline clunk and greasing the slip yoke
You can try using transfer case fluid as a lubricant. The transfer case fluid is just automatic transmission fluid. Using the lastest version of Dexron transmission fluid should work out fine. The service bulletin for drive line clunk instructs mechanics...
My car stopped on the highway said low oil pressure took it to a shop they change the sensor still have the same problem
I believe you have 2 problems here. The fundamental problem is that you may REALLY have low oil pressure, since replacing the oil pressure sending unit has not changed the "low oil pressure" indicator. I would get a dial-type pressure...
Truck cranks, fuel pump turns on but wont stay on for more than a couple seconds. Poured starter fluid in carburetor and it turns on for a few
Hey there. This may be some kind of fuel supply issue. When you turn the key on, the fuel pump should come on for a brief second pressurizing the system. When you turn the key, it should then maintain this...
Engine tick and check engine light.
Hello, thanks for writing in. It is possible that you have a fuel injection issue, but that is not that common on this vehicle. Most of the time when this occurs with a ticking noise also it is due to...
My truck cranks but won't start - 2000 GMC Sierra 1500
Hi and thanks for your question. It sounds like a bad MAF sensor and, yes, a MAF sensor can cause a no start situation. When you disconnect the sensor, the car ignores the input and, in some cases, assigns a...
Popping/clicking when turning left and or right from a stopped or a slow moving position
Hi there: One of the common mistakes made when people add suspension lift kits onto a 4WD is they forget to add a steering stabilizer stop. Trucks and SUVs with larger aftermarket tires and wheels require the use of a...
Clunking noise, and poping sound when turning hard
Hello and thank you for contacting YourMechanic. When shifting your vehicle from park to drive or reverse, there is usually a problem with a universal joint in the drive shaft. The clunking noise is the bearings in the universal joint...
Check engine light
Hello. I know how frustrating this can be. This needs to be a hands on inspection of the codes and system. We at YourMechanic can have a technician come to you and inspect your vehicle and definitively diagnose the Check...
Hard clunk noise shifting/downshifting in 2nd & 3rd
Hello there, thank you for asking about your 2006 GMC Sierra 1500HD. Since you say it only happens when shifting between 2nd and 3rd, my guess is that the noise is internal to the transmission. A faulty shift solenoid could...
Truck will shift sometimes then it doesn't shift. If you wait a while it will shift again. We are trying to figure out what's going on
Hi, thanks for writing in. The first thing I recommend is to make sure the ATF (automatic transmission fluid) is full. Does the transmission shift up a gear or two and stay in that gear, or does it drive...
Engine light on, misfire cylinder 6
The rough idle may be related to the low compression in cylinder #6. Low compression will continue to cause a misfire until it is corrected. This will cause detonation and timing problems which is what indirectly causes the misfire. I...
Heater puts out hot air when set 80 degrees or higher, cool air if set lower
Hello. From your description of the problem is sounds like it may be acting normal. It sounds like you are saying that when it is turned to hot it gets hot and when it is cold it turns cold. If...
2007 GMC Sierra 1500 - Squeaking noise when turning right inspection cost?
Hello. If the vehicle has been sitting it is usually from corrosion built up on the brakes. The corrosion or dust can build up on the pads and rotors and cause this to occur. To fix this I usually remove...
Will a duramax fit in my truck?
This is not a simple swap. There are several things that would have to be modified for this to work. The motor itself is an entirely different motor than the 5.3 Vortec that your truck would have come with and...
Truck shakes violently while braking
This may be a sign of worn out or failing wheel bearings. When this happens, this can cause a vibration usually opposite the defective side. When this happens, commonly this is a result of metal on metal contact inside the...
Debating installation of a leveling kit
The biggest problem people run into with these types of kits is buying the cheapest kit they can find. Not saying that the cheapest may not be good, but it is much more important to find a kit that is...
Truck starts then dies
Hi. I think you have an issue with the pass key or security system in your car. I have seen the chip in the key fail causing the problem that you described. It is very possible that there is some...
My car idles rough when I have my foot on the brake at a stop light
This may be a sign of a failing idle air control valve. The idle air control valve is located on or near your intake manifold that monitors the air intake as it is mixed with fuel prior to being injected...
2000 GMC Sierra 1500 will start and then dies after 2 seconds
Hi there, Your vehicle starting for two seconds and stalling could be caused by several things. It could be an anti-theft system problem, if equipped. It could be an ignition system problem, ie; a faulty ignition module. The bypass circuit...
I have a gas leak from the gas tank area - 2000 GMC Sierra 1500
As you know, a gas leak can be extremely dangerous depending on the specific location of the leak and the proximity to hot parts, such as exhaust. I would recommend having an expert, such as one from YourMechanic come...

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