Having problems with your 2006 Pontiac Grand Prix ?
PONTIAC GRAND PRIX 06' HEAT BLOWS COLD AND ENGINE OVER HEATS
If you are not loosing coolant and you are not hearing any noises then change your thermostat.
Repair Help & Product Troubleshooting for 2006 Pontiac Grand Prix
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PONTIAC GRAND PRIX 06' HEAT BLOWS COLD AND ENGINE OVER HEATS
If you are not loosing coolant and you are not hearing any noises then change your thermostat. ... 2006 Pontiac Grand Prix
2002 Pontiac Grand Am SE 6cyl. The heater blows only cold air. However, if I drive on the freeway, it does blow warm air from time to time but I believe this to just be heat from the engine.
You need to start yur check from smaller to worst... start from your thermostat then blower motor, then heater core ... Pontiac Grand Am
03 pontiac grand prix gt ac/heater fan comes on but only blows out cold air, no heat. Changed thermostat and antifreeze still no heat. Any ideas?
... 2003 Pontiac Grand Prix
I have a 1999 pontiac grand prix and the heater only blows cool air on high heat setting, fluid level checks out ok.I have cycled the the cool/heat controler from hot to cold several times and you can hear the valves acuating.
Is the temp gauge working and showing the engine is warmed up? also check the heater hoses in the engine compartment ensure both are at the same or close to the same temp. if they are not could have plugged heater core. try flushing. possible blend d ... 1999 Pontiac Grand Prix
2002 pontiac grand prix gt AC only blows hot air compressor full of freon and clutch spinning good temp control actuators working corectly narrow ac tube at firewall very cold thicker ac tube at firewall pretty warm both heater core tubes very hot engine cooling fans come on when they want with or without ac compressor running not sure about the blend doors or how to obtain access SOMEONE HELP ME IM PULLIN MY HAIR OUT
I had same problem 2 years ago. the actuator door tube was snapped in half and i used acquarium tubing to splice together. The tube runs along the passenger front well well inside engine and meets under the battery carriage. I could not tell anyth ... 2002 Jeep Grand Cherokee
AC I have a 1999 Pontiac Grand Prix. When I turn on the ac my engine making so much noise like clik,clik,clik and air is not cold. Noise is coming from passenger side ( around belts). It just blows warm air. Actually air is on passenger side is little bit colder then driver side. I don't know why. Thank you so much for ur time. Jacob
Is the compressor turning on an off quickly ?Could be a low pressure switch or problem with the ac clutch. ... 1999 Pontiac Grand Prix
2002 Grand Prix - Gear indicator light (P N D etc) out, locked in park & blowing air but not cold. Removed lock for parking - come out of gear then locked again so removed brake switch. Now comes out of gear however car heats up and blows air but not cold air. When gear light comes on cold air blows and car does not heat up.
... 2002 Pontiac Grand Prix
HEAT WILL NOT BLOW 2005 PONTIAC GRAND PRIX - 2005 Pontiac Grand Prix
... 2005 Pontiac Grand Prix
04 grand prix code po128 car runs great good heat, temp guage in car is normal reading a little below the half way mark. Checked antifreeze level and was low about 1/2 gal. Refilled a little below the fill here when cold mark. Erased code and in 2 days po128 poped up again? Should i add more coolant to the fill. Here when cold mark and try again? Like I say i have great heat blowing and doesn't overheat and temp gage inside reads normal. What next if i add more fluid to the cold mark and the p
Change thermostat could be stuck open. ... Cars & Trucks
2002 grand prix gt 3800 blowing hot air on AC. compressor clutch turns without slipping, compressor charged good, temp actuators turning good, small ac tube at fire wall very cold and larger ac tube warm, and both heat core tubes at firewall very hot, why wont it blow cold air.
Orfice tube stoped up or make shure motor electric fan comes on when u cut ur ac on with motor runing ... 2002 Jeep Grand Cherokee
2000 grand prix heater blows cold air - 2000 Pontiac Grand Prix
... 2000 Pontiac Grand Prix
My 1999 Pontiac Grand AM heat and air kicks on and off randomly, when the heat is on it'll blow cold air out and when the air is on it will blow hot air randomly?
... Pontiac Grand Am
1994 Pontiac Grand Prix blows cold air on feet
Ck to see if there is vacuum at the control head and if there isnt ck for incoming vacuum from the motor ... 1994 Pontiac Grand Prix
My 2000 grand prix blows out cold air when its on heat
... 2000 Pontiac Grand Prix
No heat we have a 2001 jeep grand cherokee, v8 engine, when you cut the heat on the fan blows but no heat comes out, while you are driving in cold weather the windsheild fogs over like there is a little heat coming out of the vent below the windsheild.
If your engine temp guage is also low then u need a new thermostat. if the gauge is not low then you have a blocked heater core. you can try to flush it. ... 2001 Jeep Grand Cherokee
What is causing my driver side to blow hot air and my passenger side to blow cold air on 1997 pontiac grand prix gt
... 1997 Pontiac Grand Prix
Hi, I have a 2001 Grand cherokee 4.7L V8, It works perfect other than the heating system, AC perfect but when i put heat on, no heat comes out, it blows just cold air, I have checked the pipes from the engine and they are red hot, any ideas how to solve this problem?
The HVAC blend door is broken trust me on this one. ... 2002 Jeep Grand Cherokee
I have a 2000 pontiac grand prix GT-- I all of a sudden have nothing but lukewarm heat at best blowing. Also my car always runs at 210 but now doesnt get even close to that. We replaced the thermostat, had the radiator checked and cap replaced. The heatercore has been flushed and hoses checked all fine. My husband said it heats up when sitting, but as soon as I drive it, well the temp goes down. My husband has checked everything he could think of with the heating system. Can anyone offer any sug
There is an inlet and outlet rubber hose going to your heater core. At operating temp the 2 hoses should be the same hot temp, if not, swap them making the inlet the outlet vise/versa and see if it makes a difference. Run vehicle like that a few days ... Pontiac Grand Prix
The heater is not blowing. The heat is working, just not blowing in my 1998 Pontiac Grand Prix
Sounds like a blown fuse - local the fuse box - there is a lettering telling ur what fuse goes to the heat - ac -- fan motor - etc - - also you can test the fuses by getting a cheap test light from walmart - then test each fuse with the key on ... Pontiac Grand Prix
2007 Grand Prix. My heater used to heat up very hot and almost blow us out of the car! Now.....it blows okay; but sometimes it gets hot and sometimes it doesn't and the air is cool. Diagnostic check at dealership did not show anything wrong. They also checked the knobs to make sure they were turning on the inside. Said they were. Engine is warm according to guage. So.....what is it exactly?
... 2007 Pontiac Grand Prix GXP Sedan
Pontiac No Heat But Blows Cold Air - 2005 Pontiac Grand Am
... 2005 Pontiac Grand Am
1999 pontiac grand prix gtp dual airconditioning problem, driver side air condition is blowing hot passenger side blowing cold
Two things can be the problem,first,try adding ,a little freon,if it is low,it will only cool one side,then if this does not help,there is a door actuator motor that controls this,it could be not working,the dash has to come out to replace this actua ... 1999 Pontiac Grand Prix
I own a 1994 Grand Prix 3.1 motor. The temp gauge goes almost the the boil point with no heat coming out of the heater. when i rev up the engine the temp goes down and then the heat starts to blow, but the low level light comes on. I replaced the thermostat and water pump. The level is fine and seems to be ok. I think maybe the heater core is plugged. Any help out there?
3.1 Engines are well known for there intake gaskets going out also known as a pentium . Watch to see if you lose coolant very slowly if so check the pentium.This could affect the heat coming out also . If you smell a slight sent of anti freeze that i ... 1994 Pontiac Grand Prix
Friends car(2001 pontiac grand prix) 3.8 v6.started running hot,so he replaced thermostat. didn't help. so replaced water pump. helped very little. heater hoses cold to touch and blows cold inside. worked fine before? heard something about air pockets. any truth to this?
Yes, but it's designed to drive the air out as long as you open the cap and run it until it's hot, keeping the radiator full. Eventually the air will come out and heater hoses should get coolant. ... 2001 Pontiac Grand Prix
I HAD 2004 PONTIAC GRAND PRIX WITH 3.8 ENGINE WHEN COLD START OK AFTER DROVE FOR FEW HOURS AND LET SIT, MAYBE 1/2 HOUR CRANCK BUT WONT START UNTIL, DEPRES.GAS PEDAL...... NO DTC FUEL PRESSURE IS ABOUT 50 PSI COLD OR HOT L RUNS GOOD AFTER ALL I REPL FUEL FILTER ,PLUGS AND PLUGS WIRE PLEASE I LIKE SOME ADVICE ON THIS
Hi!!\015\012\015\012Check the vacuum hoses going into the intake manifold, there is an elbow connection that tends to come unplugged, check for cracked lines also. this is very important.\015\012\015\012Once sure vacuum hoses are O ... Pontiac Grand Prix