MY SILVERADO IS A 1500 4

2004 Chevrolet Silverado

Tiny

ckueny

January, 26, 2013 AT 2:37 AM

My silverado is a 1500, 4.8 engine. Recently when starting the vehicle to warm up, the hvac system will not blow hot air. The hvac does work but only blows cold air. It is not until I put the truck in gear and start driving for the air to be hot. What could be causing this?

FOUND 4809 RELATED QUESTIONS

3 Answers

Tiny

ASEMaster6371

January, 26, 2013 AT 2:38 AM

Should have no relation to the shifter. How long sitting will it take for heat to come out?

Roy

Tiny

ckueny

February, 6, 2013 AT 1:24 AM

I have had it running for at least 30 minutes with only cold air blowing. But once I start driving the hot air will blow instantly.

Tiny

jj58551

February, 11, 2013 AT 3:43 AM

Could be thermostat. Check coolant. As well.

Please login or register to post a reply.

Air Conditioner Recharge - Simple
Blend Door Actuator Replacement