Easy tips

Does a bad transfer case cause vibration?

Does a bad transfer case cause vibration? Common signs include a noisy drivetrain, excessive vibrations, and oil leaking from the transfer case in all-wheel or four-wheel vehicles. What should I do about my GMC Truck vibration? Took the truck to the local GMC dealership and they rebuilt the front axle completely. Correctly set the pinion depth and lash, etc. They also replaced the motor mounts. Took the truck home and went through the 45-55 range again. the vibration is WAY better but it is still there. It's worst at 47mph and gone at 51mph. Where is the encoder motor on...
Easy tips

Do you ground a ignition coil?

Do you ground a ignition coil? The simple answer is no, the coil case does not have to be grounded for the ignition to work properly. The coil does not need an electrical ground, but it does need a thermal ground for heat dissipation, meaning that the "ground" could be compromised by paint etc. What makes an ignition coil A Hei coil? Developing a better HEI coil was actually where Performance Distributors began in the ignition business many years ago. Davis says the key to maintaining consistent voltage throughout the RPM range is in the internal construction of the coil....
Easy tips

How often does the engine fan stay on?

How often does the engine fan stay on? Discussion in ' Trucks [ Eighteen Wheelers ] ' started by tkilby, Jun 23, 2010 . 05' Pete 379 with a Cat ACERT: The last few day's the engine fan has been staying on 90 % of the time. The air solenoid on the firewall has no power and the manual rocker swich has power only on one side "the yellow/orange wire". When does the cooling fan come on or off? I’ve read that the cooling fan will run the whole time when either the A/C is on or the vent control...
Most popular

What happens if there is no PassLock on the engine?

What happens if there is no PassLock on the engine? No Passlock problem will prevent the engine from cranking. If, when cranking the engine, the security light is flashing, that indicates a PassLock problem. The engine may initially start and run until the BCM gets the message to the ECM to deactivate the injectors. What to do if your PassLock light does not turn on? Insert the Key into the ignition switch and try to start the car. It should start, and then stall, with the "SECURITY" light flashing. (In rare cases, the car may keep running and the security...
Other

Is there a hard shift in Chevy Colorado?

Is there a hard shift in Chevy Colorado? My 2018 Colorado with the 8 speed transmission has a hard shift between first and second gear. Any one else seeing this? Lois of people have. But there has been a simple solution for most Lois of people have. But there has been a simple solution for most Click to expand... Who is Lois? ; ) Is there a problem shifting from 2nd to 3rd gear? Have check engine, the computer says it needs the shift solenoid, the problem is it will not shift from 2nd to 3rd gear on an automatic...
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How to manually open envoy xuv tailgate?

How to manually open envoy xuv tailgate? How to Open a Tailgate on a Xuv EnvoyPress the button to lower the rear window a bit. Decide which way you'd like to open the tailgate. Pull up on the tailgate door handle located in the center of the tailgate and gently lift the tailgate down. Why is the tailgate on my GMC Envoy SLT not working? 2004 GMC Envoy XUV SLT electronic tailgate will not unlatch. Regulator seems broken. I pushed window fully down by hand, to lowest position, climbed into rear & took off tailgate inside panel exposing multi-pin connector...
Easy lifehacks

Is there an Exclsuion for corosion on GMC Sierra?

Is there an Exclsuion for corosion on GMC Sierra? There is an exclsuion for corosion caused by airborne fallout, but GM is claiming that salt and even rain count as airborne fallout. Note that GM added a further exclusion for sea air and road salt to its 2007 warranty. What is the traction select system on a GMC Sierra? The available modes in the Traction Select System are: Tour, Sport, Terrain (available on 4WD models with single-speed transfer case), Snow (2WD models only), Tow/Haul † (13) and Off-Road. Traction Select System adjusts Sierra’s transmission shift points, throttle mapping and StabiliTrak...
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Why is the tailgate lock on my Astra not opening?

Why is the tailgate lock on my Astra not opening? The tailgate lock won't open on my '55' plate Astra. The switch has been getting more difficult all week and now it won't open at all. Is it possible to open the tailgate from the inside ? How does a Fiesta boot lock work on a computer? One press on your wireless fob, unlocks, another press pops it open. Same happens when you press the button bellow the handle of the boot. All "by wire", the button sends a signal to the computer, the computer pops the boot. No cables...
Common questions

How to increase horsepower on a GMC pickup?

How to increase horsepower on a GMC pickup? Stiffen your pickup’s one-two punch by investing in the parts you need at the best prices – your exhaust system will never sound or feel better than with one or two of ours working hard down below. 7. Larger Throttle Body Air and fuel – two things your four-wheeled monster cannot thrive without. How to increase horsepower and torque on a Chevy 5.3? Upgrading your air filter and intake is a quick way to improve horsepower, torque, and even gas mileage in a matter of hours. If you’re wondering, “How do I...
Common questions

How do you open rear wheel drum?

How do you open rear wheel drum? Unscrew the brake drum if needed.Use a screwdriver to remove the screws securing the brake drum to the wheel.Draw the brake drum forcefully towards you.Use a screwdriver and rubber mallet or a brake drum puller to take the drum off of the wheel if you are unable to remove the drum by unscrewing it and pulling it. How do you remove the drum from a car? Grab the brake drum by the edges and pull it off. It may help to wiggle it a bit as you pull. It may be necessary to...