Easy tips

What to do about a broken transmission on a GMC Acadia?

What to do about a broken transmission on a GMC Acadia? An auxiliary transmission cooler can do a lot to help keep the temperature down. Another common issue with the GMC Acadia 6T75E transmission is broken wave plates. These metal disks help to lock gears together during a shift. How to prevent a wave plate related transmission issue / failure? Under GMPP, the dealership had to drop the engine and transmission, and then remove the transmission and split the cases. Since the cases were being split, I had them also replace the 3-5-R plate (actually, it comes in a kit...
Easy tips

Are fuel injectors covered under powertrain warranty?

Are fuel injectors covered under powertrain warranty? Normal powertrain warranties cover the engine and all of it's components. This typically covers everything in the engine block including the cylinder block and heads, the engine's seals and gaskets (including the head gasket), the fuel injectors, and the water and oil pumps. How long is the warranty on a GMC Truck? Chevy and GMC’s powertrain coverage is slightly shorter at five years or 60,000 miles. This is much less than some automakers that extend powertrain coverage up to 10 years. However, the 2500 and 3500 Series Heavy Duty pickups equipped with 6.6L...
Easy lifehacks

Where is the pressure relief valve on a Duramax LBZ?

Where is the pressure relief valve on a Duramax LBZ? This is the pressure relief valve located in the driver's side fuel rail on the 2004.5 - 2007 Duramax LLY & LBZ engines. These valves are known to go bad and open prematurely causing a "fuel rail PSI low" problem. Once a valve is weakened it tends to get worse. Can a fuel rail high pressure relief valve go bad? These valves are known to go bad and open prematurely causing a "fuel rail PSI low" problem. Once a valve is weakened it tends to get worse. Replacing the valve...
Common questions

What was the new GMC Yukon in 2001?

What was the new GMC Yukon in 2001? New for 2001 is the luxurious Yukon XL Denali. (GMC has offered a Denali version of the shorter Yukon since 1998.) Based on the 4WD Yukon XL 1500, the Yukon XL Denali packs a bigger engine and more sophisticated full-time all-wheel-drive, and makes standard nearly every option offered on the regular Yukon XL models. Is the GMC Yukon XL an extra large SUV? Folks who truly need a size extra-large sport-utility will find the Yukon XL hard to beat. All-new and tremendously improved for the 2000 model year, the Yukon XL has...
Other

What can a check engine light be?

What can a check engine light be? The light could be a minor issue, such as a faulty gas cap, or it could mean something more serious, such as a misfiring engine. The check engine light — more formally known as the malfunction indicator lamp — is a signal from the car's engine computer that something is wrong. Why does the Check Engine light come on? When the Check Engine Light comes on, that means that Trouble Codes, likely identifying the causes of the issue you are having, have been stored in your car’s computer. The fastest way to resolve...
Common questions

What do you need to know about AC pressure switch?

What do you need to know about AC pressure switch? The AC pressure switch is a safety switch that is mounted on both the high and low sides of the air conditioning system. It monitors the pressure of the refrigerant on its respective side of the system. There is a high side pressure switch, and low side pressure switch, and they both serve to monitor the system for pressure faults... What happens when your air conditioner pressure switch goes bad? When you turn on the air conditioning, you expect to feel cold air pour out. However, when the AC pressure...
Most popular

Why is my brake light not turning on?

Why is my brake light not turning on? A problem in the brake light switch defect can stop the brake lights from turning on when a driver presses on the pedal to slow down. Subaru believes certain cleaning products used inside the car can gunk up the switch's electrical contacts. Is it safe to drive with a faulty brake light switch? A car with a faulty brake light switch is UNSAFE to drive. In most cars, the brake light switch is installed right above the brake pedal. Inside, it has a one- or two-way electric switch. The most common symptom...
Easy tips

What should verado fuel pressure be?

What should verado fuel pressure be? A Verado based engine can vary in actual fuel pressure from approximately 275.79 to 413.68 kPa (40 to 60 psi). What is the best fuel pressure gauge? Best fuel pressure gauges - Buying GuideMarshall Instruments LBB00100 Fuel Pressure Gauge Black.GPI 113255-1, 01A31GM Aluminum Turbine Fuel Flowmeter with Digital LCD Display, 3-30 GPM, 1-Inch FNP...Marshall Instruments LS00100 Silver Dial Fuel Pressure Gauge. How do I prime my Mercury Verado? If your Mercury FourStroke outboard is 75hp or greater, the onboard electric fuel pump will prime the fuel system for you. Simply turn the key to...
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How much oil does a 2003 GMC Denali take?

How much oil does a 2003 GMC Denali take? Capacity: 6 quarts (with filter)After refill check oil level. How to change transmission fluid in a GMC Truck? Add 3-4 quarts of new fluid in the trans dipstick tube to the full line on the dipstick and repeat. You'll do this a total of 3 times. You should see the fluid change color to a bright red/pink. Especially if it was dirty. This is when you know you've changed all the fluid. Here's what mine looked like after the final flushing. What kind of fluid does a Chevy truck use? Information...
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What is a PCM recall?

What is a PCM recall? Recall summary Usually, the PCM is programmed to enter a “failsafe” mode that will cool the vehicle down if the engine gets too hot. Running the van at this high temperature could damage the engine or even cause a fire. This is the second recall for Ford 2020 Transit vans this fall. Can you reprogram a PCM? To reprogram a PCM or other vehicle module, you need a factory scan tool, or an aftermarket scan tool with reprogramming capabilities, or a J-2534 compliant "PassThru" interface tool (or J-2534-1 for 2004 & newer vehicles) that can...