2004 GMC Sierra "70" Questions

...to, but blows mild heat. Any recommendations? When turned up to 90 degrees, it actually feels like 70 degree air is blowing. Also at times it doesn't even get warm. check your blend door ...

...for fuel. Turned ignition and then truck would only go about 35 mph. turned truck off. now going 70 mph again normally. what is the problem? bad signal from you speed sensor,at the tail end of the ...

98 GM 5.7 slugish @ 70 I have a 1998 GMC 5.7 K1500 and always act as if it is not getting enough fuel. When I am on the highway doing between 60 and 70 miles per hour it acts like the motor is starved

...cold at idle warm about 20 to 25 at idle is this good? runs about 45 to 50 at 4500 to 5000 rpms has 70 miles on it? yes that is fine for a stock engine u should have 10 psi for every 1000 rpm and oil ...

...is a special policy bulletin number that covers you instrument cluster issue. If you truck is under 70k miles GM will pay for a new cluster and install it free. If your between 70 and 80k miles you ...

...! Out in the under hood fuse / relay box are two fuse's for heater HVAC BATT fuse #39 10 amp an # 70 40 amp . HVAC BLWR . HVAC = heater ventilation an air conditioning ! So Tom what problem are you ...

Speedometer is showing wrong speed I know I am going 35 and the speedometer shows 70. At 55 the speedometer show 90 does it have a large sensor on the back of the trans for the speedo. If the sensor ...

...only 4000 miles on rebuilt trans. Feels like a slip between 1st & 2nd, rpms waivering at 65 - 70 mph feels like it's coming in & out of overdrive somewhere between overdrive &

...with a cleaner and then conditioner,removes 100% of old fluid not like just dropping pan were onlt 70% is removed and then new fluid mixs with old causing damage in time. BG make sure thats whats ...

...was rebuilt 6000 miles ago, and it just started giving me trouble. After pulling a trailer about 70 miles or so, it downshifts into second gear, and will not shift above that. After a rest, it