GMC Denali

The GMC Denali's transfer case is designed to manage power distribution between the front and rear axles, allowing for improved traction and stability. It typically features a two-speed design, enabling drivers to switch between 2WD and 4WD modes, as well as an automatic setting that optimizes performance based on driving conditions. The system can engage and disengage seamlessly, providing enhanced control in various terrains. Advanced models may also include features like a locking differential for added capability in challenging conditions.

The speed sensor on a 2001 GMC Denali is typically located on the transmission. Specifically, it can be found on the transmission case where the output shaft is located. For precise identification, it may be helpful to refer to the vehicle's service manual or consult a professional mechanic.

The cost to replace a shift solenoid in a GMC Denali XL typically ranges from $150 to $400, depending on factors like labor rates and whether you choose OEM or aftermarket parts. Labor costs can vary significantly based on your location and the specific repair shop. It's advisable to get a quote from a trusted mechanic for a more accurate estimate.

To change the cabin air filter in a 2005 GMC Denali, first, locate the filter compartment, which is usually behind the glove box. Remove the glove box by gently squeezing the sides to release it, then disconnect any clips or screws if necessary. Take out the old cabin air filter and replace it with a new one, ensuring it’s oriented correctly. Finally, reassemble the glove box to complete the process.

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No. This forum does not allow picture attachments. Best bet is to visit one of these two places as your question involves dropping the tank.

For an Envoy Denali - www.trailvoy.com

For a Yukon Denali - www.fullsizechevy.com

1. Cold Start. In order to be classified as a cold start the engine coolant temperature must be below 50°C (122°F) and within 6°C (11°F) of the ambient air temperature at startup. Do not leave the key on prior to the cold start or the heated oxygen sensor diagnostic may not run.
2. Idle. The engine must be run for two and a half minutes with the air conditioner on and rear defroster on. The more electrical load you can apply the better. This will test the O2 heater, Passive Air, Purge "No Flow", Misfire and if closed loop is achieved, Fuel Trim.
3. Accelerate. Turn off the air conditioner and all the other loads and apply half throttle until 88km/hr (55mph) is reached. During this time the Misfire, Fuel Trim, and Purge Flow diagnostics will be performed.
4. Hold Steady Speed. Hold a steady speed of 88km/hr (55mph) for 3 minutes. During this time the O2 response, air Intrusive, EGR, Purge, Misfire, and Fuel Trim diagnostics will be performed.
5. Decelerate. Let off the accelerator pedal. Do not shift, touch the brake or clutch. It is important to let the vehicle coast along gradually slowing down to 32km/hr (20 mph). During this time the EGR, Purge and Fuel Trim diagnostics will be performed.
6. Accelerate. Accelerate at 3/4 throttle until 88-96 km/hr (55-60mph). This will perform the same diagnostics as in step 3.
7. Hold Steady Speed. Hold a steady speed of 88km/hr (55mph) for five minutes. During this time, in addition to the diagnostics performed in step 4, the catalyst monitor diagnostics will be performed. If the catalyst is marginal or the battery has been disconnected, it may take 5 complete driving cycles to determine the state of the catalyst.
8. Decelerate. This will perform the same diagnostics as in step 5. Again, don't press the clutch or brakes or shift gears.

yukon denali

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See if this helps....

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There are a few different things that can cause your brake (I assume pedal) to pulse or "bounce" when you are slowing from speed. The most common is that you have a brake rotor or drum that is warped or out of round. This can usually be corrected by having the rotors or drums turned. This is a process that shaves the unevenness out of the metal surface of the rotor or drum. HOWEVER, this process makes the rotor or drum less able to disapate heat and more apt to re-warp. There is a minimum thickness available for every rotor and drum which lets the machine shop know how much of the material can be cut off the rotor or drum before the part must be discarded and replaced with new. I have owned 69 cars, all different kinds and years and I have not ever turned a rotor or drum. I have always just replaced them if there was a warp. This problem is most often caused by dragging the brakes from high speeds slowing down gradually and causing the brakes to heat up and then sitting at a stop with your foot pressed firmly on the brake when they are really hot...Another common cause of the brake pedal pulse is that a tire or wheel rim is out of round or a tire tread is seperating, or tire underinflation.

For the oil it holds 6 quarts with oil/filter change.

You are going to have to replace the seat belts that are stuck after the accident. They are the ones that were in use by a person at the time the accident happened. They are no longer safe to use even if you can get them to work. Find a Yukon in a salvage yard that was hit in the rear or side and those seat belt will be fine to use.

battery disconnect for 3 min

Your best option is to buy a service manual for your vehicle. It will cost $15-20 and you can probably buy one at the same place you're buying the pump itself.

Basically the instructions amount to "remove the old one, install the new one" but the service manual will also tell you the easiest way to get to it... when I replaced mine (on a different type of car), I would have never thought of taking off the tire and coming in through the wheel well if the service manual hadn't suggested it, meaning at least three of the bolts holding it on would have been nearly impossible to reach from either the top or the bottom of the car.

The price of a Sierra Denali will vary depending on the dealership you go to to purchase it. The average price, however, of a new Sierra Denali is around $25,000.

You have to take off the caliper and rotor and adjust the brake with a flat head screwdriver

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sounds to me like the serpentine belt is broken or so worn that it needs replacing

lift the hood and check that the belt is still even there