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Uplander

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Q: Check engine light
Wow... 329,000 miles on your Chevrolet Uplander. Assuming you are still on your original engine, that is a long lived vehicle. If your Check Engine Light is on, YourMechanic will use an electronic code retrieval tool to download the DTC's...
Question
how do you change a crankshaft position sensor
Hello there. It is located on the right (passenger) side of the engine under the ignition module in the engine block. You can see it from the underside. The easiest way to see and get to it is to jack...
Question
I had Throttle body replaced 2007 chevy uplander. Car reving highvand then alot of oily clear fluud started flowing from front mor
Hi there. It sounds like a lot going on, but we're here to help. If the throttle is still revving the engine very high at idle, then there may be something either stuck or a vacuum hose is loose. Listen,...
Question
Q: Charging system failure.
This may suggest a failing voltage regulator. The voltage regulator is a unit that regulates the charging of the battery by the alternator. When the voltage regulator is not working properly, this may result in the alternator allowing too much...
Question
My van wont shift when I get to 30pmh.
This may be a result of low transmission fluid or potentially a faulty transmission control module. A faulty transmission control module may cause a delay in acceleration or erratic shifting of gears. The transmission control module has various sensors such...
Question
Vibration or humming felt while driving my Uplander.
Hi there. If there is a vibration or humming noise on the front end of your van and the wheel bearings were already replaced, then either the CV shaft inner bearing is worn or the transmission final drive is worn....
Question
Hello,My steering wheel is hard to turn,Not sure what's the problem I added fluid think I have a leak.
Hi there: Typically when the steering wheel is hard to turn, it is caused by low power steering fluid. The fact you continue to fill it and it remains low, indicates that there is a leak somewhere within the system...
Question
Q: Oil light goes off and on.
This light will usually come on when one of two things are happening. Either the motor is in fact low on oil or the oil pressure sending unit is not working properly and may be producing a faulty reading. I...
Question
Reduced engine power, possible vent valve solenoid malfunction.
Hi there. Typically the issue you're describing could be related to the EVAP vent solenoid, but I wouldn't rule out the EVAP canister purge solenoid. When this component is damaged, it can cause similar symptoms you're experiencing with your 2005...
Question
Front end bearing or trans-axle noise. Hear a grinding noise noticeable above 15 mph. exists going straight, turning right/left.
Hello. To answer your question, the best way to remove the axles it by disconnecting the ball joints. The noise you are hearing can be coming from a bearing, an axle or from the transmission. I usually check the bearings...
Question
Both R&L low beam headlights quit working simultaneously.
Hi there. Check the switch to the headlights and see if there is a break in the wiring. Check the fuses and see if there is any fuse that are blown. If the fuses are good and there is no...
Question
Clumping or bottoming out noise on hard bumps
Hi there. It definitely sounds like the bushings you mentioned could be the cause of the noise. However, worn shocks/struts can create a similar feeling or noise if they are worn out and not providing the dampening force necessary to...
Question
Turn off auto unlock on Chevy Uplander 08
Hi there. Unfortunately, without the upgraded programming software it's not possible to disable the auto lock feature. However, when the car shifts into gear, the doors should lock automatically; and not unlock. This is the safety feature's intent, so it...
Question
A battery saver active message came on this morning on my 2009 Chevy UPlander. Do I need to have the battery checked?
A logical first step is to have the battery load tested and, at the same time, measure the output of the charging system to determine if the charging system is functioning. If the battery fails the load test (OR only...
Question
I fixed what was wrong but check engine light wont turn off
It sounds like you may have an evaporative emissions system leak. Your car has a small purge valve with a purge solenoid in the Evaporative Emissions system that controls the venting of fumes from the fuel tank as these fumes...
Question
heater doesnt blow hot until over 2500 rpm, and in cold weather temp gauge goes all the way to hot indicating overheating.
Hi there. In most cases when this issue occurs, it is due to an obstruction inside the heater core. The coolant system flows through the heater core to supply heat. Over time, the heater core will develop sludge and debris...
Question
after oil change the oil pressure light comes on and off
You used the correct viscosity rating. If the oil level is above the full line, reduce it to the full line or below on the dipstick. If the oil level is too high or too low that could cause the...
Question
Van don't turn over
Hi B.B. There are several reasons why a car won't turn over, however, if you are able to bypass that by manually activating the starter, then it's quite possible that the dealership is correct in this case. The ignition system...
Question
I have a 2005 Chevrolet Uplander, the radiator, water pump, coolant sensor and thermostat have been replaced. It still overheats w
You need to verify if the electrical cooling fan is coming on when the temperature gets up to or above normal range. if fan does not come on then this is the cause of the overheating and will need to...
Question
My antifreeze in the resovoir looks milky and I open the radiator cap and the antifreeze began to rise a little and wasn’t as much
Your vehicle may be overheating. The best thing to do is seek an overheating diagnostic which will pinpoint the cause and then the necessary repairs can be implemented.

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