2004 GMC Envoy - Page 9 - Answered Questions & Fixed issues

Try starting out in "L" not "D". Might have slippage in transmission. Shifting solinoid in transmission might be bad

First thing to check would be coolant level in reservoir, Rad hoses should be firm and not collapsing, look at radiator fins and make sure it is not plugged with debris and that there are no leaks or damage,make sure cooling fans are working. If all looks good and no leaks are found it gets a bit more difficult, faulty heat sensor or gauge, air in cooling system,stuck thermostat, worn water pump, bad intake or head gasket, cracked intake manifold, cylinder head or engine block. All listed could cause temp. gauge to go up. Don't forget to press the like button, Thanks

Sounds like the switch is shorted in the down position.

Summer time, no. Next oil change use 10w30 and some oil supplement. I use lucas oil treatment. Anything at or over 150K gets a full quart.

Check the Freon level. It is is within spec it could be the blend door.

If equipped with climate control, the most likely cause of this issue is a blend door motor failure. IN some cases the entire dash assembly must be removed to access these control motors.

Wires, distributor, rotor, vacuum leak, O2 sensors, air filter, fuel filter, bad gas. old gas. Throttle positioning sensor, fuel regulator, weak fuel pump, dirty throttle body. Knock out all of the routine maintenance items, check for codes at advanced auto(even if your engine light is not on) and then re-evaluate it from there. And clean your fuel system at your next fill up with a can of B-12 Chem Tool from the additives section at Walmarts auto section.

check for leaks in the lines, also check to see if the shocks have air leaks.

Take the aircleaner off. Disconnect the ducting into the throttle body, and remove the top plastic rectangular resonator. Your coils will be under this resonator. Remove each coil to get to the plugs. Recommend AC Delco 41-103 only on the I6's.

Your cooling fan relay is bad.

bad ignition switch

could be brake shoes /pads badly worn, failed bearings , no oil in the differential, failed "U" joints

P0757 Chevrolet 2 3 Shift Solenoid Valve Performance No Third or Fourth... follow that list on the link i posted

Could be a relay.

For the conversions you will need a after market kit

Hi Victor: We can't show you unless you tell us what it is.

Sway bar bushing, Ball joints and Strut Mounts make these noises. See if the ball joint have grease fittings then get them greased. Check if Control arm bushings have play and can they be pumped with grease. If Control arm bushings have play then change the complete Control arm which will be economical in the long run. Please check and get back to me with more information.

you may have a bad shock absorber or broken strut. check all your suspension for obvious damage. or if the bottom of the shock absorber looks wet.

have dealer check sensors do not continue daily driving!

Hi,if water is dripping from it and you are not loosing water from the engine then it sounds like its the exspantion pipe for the air conditioning.Hope this was some help.