HOME
ASK A QUESTION
REPAIR GUIDES
BECOME A MEMBER
LOG IN
Login with Facebook
OR
Remember me
NOT A MEMBER?
FORGOT PASSWORD?
CONTACT US
PRIVACY POLICY
TERMS AND CONDITIONS
☰
Home
Chevrolet
Trailblazer
Climate Control
Heater
Not Working
Heater not working
C.SMITH23
MEMBER
2002 CHEVROLET TRAILBLAZER
4.2L
6 CYL
4WD
AUTOMATIC
182,866 MILES
Heat comes and goes, new clutch fan and water pump, thermostat. Was thinking climate control?
Monday, August 28th, 2017 AT 4:25 PM
1 Reply
KEN L
MASTER CERTIFIED MECHANIC
48,363 POSTS
It sounds like you have a blend door actuator that has gone bad.
Here is a guide that will help you:
https://www.2carpros.com/articles/replace-blend-door-motor
Please let us know what happens.
Cheers, Ken
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Wednesday, August 30th, 2017 AT 11:45 AM
Please
login
or
register
to post a reply.
Related Heater Not Working Content
2002 Chevy Trailblazer Rear Heat Does Not Work
Rear Heat Does Not Work. The Blower Works It Just Blows Cold Air.
Asked by
wpoc70
·
1 ANSWER
2002
CHEVROLET TRAILBLAZER
VIDEO
Heater Not Working
Instructional repair video
GUIDE
Heater Not Working
Step 1 - A heater cannot operate unless the engine is full of coolant/antifreeze. If coolant level is low check the system for leaks.
2004 Chevy Trailblazer Heater Problems
My Heater Went Out On My Trailblazer And Wanted To Know Why And How To Fix. Thank You
Asked by
cftlow85
·
1 ANSWER
2004
CHEVROLET TRAILBLAZER
2004 Chevy Trailblazer
Heater Problem 2004 Chevy Trailblazer Four Wheel Drive Automatic Blower Will Not Turn Off Even With Switch Off And Motor Not Running...
Asked by
leroyha
·
5 ANSWERS
2004
CHEVROLET TRAILBLAZER
2005 Chevy Trailblazer Rear Heater
Hi, The Rear Heater Vents Just Blow Cold Air. The Vents For The Front System Blow Hot Air And The Engine Temp Is To Specs. You Can Control...
Asked by
techmech57
·
8 ANSWERS
2005
CHEVROLET TRAILBLAZER
The Heater And Ac In My Car Don't Work Unless I Go At...
The Heater And Ac In My Car Don't Work Unless I Go At Speeds Of More Than 40mph. The Rear Fans However Do Turn On Even If The Car Is Parked...
Asked by
ericapadilla
·
1 ANSWER
1 IMAGE
2003
CHEVROLET TRAILBLAZER
VIEW MORE
Sponsored links
Ask a Car Question. It's Free!
SPONSORED LINKS
Heater Not Working
Blend Door Actuator Replacement
How to Replace Damper Door Switch
Online car repair manuals