1999 CHEVY BLAZER HOW TO CHANGE HEATER CORE

  • Tiny
  • Tj Doporto
  • 1999 CHEVROLET BLAZER

Heater problem
1999 Chevy Blazer 6 cyl Four Wheel Drive Automatic 173069 miles

I would like to know how to open the evaporator box on a 99 s10 blazer in order to change the heater core

Do you
have the same problem?
Yes
No
Sunday, January 31st, 2010 AT 5:55 PM

2 Replies

  • Tiny
  • Bluelightnin6
  • EXPERT
  • 17,055 POSTS


http://www.2carpros.com/forum/automotive_pictures/261618_Noname_1574.jpg



http://www.2carpros.com/forum/automotive_pictures/261618_Noname2_479.jpg

Was this
answer
helpful?
Yes
No
Sunday, January 31st, 2010 AT 6:00 PM
  • Tiny
  • Rasmataz
  • MEMBER

1999 Chevy Truck S10/T10 Blazer 4WD V6-4.3L VIN W

HEATER CORE REPLACEMENT

REMOVAL PROCEDURE


http://www.2carpros.com/forum/automotive_pictures/12900_hcr1_1.gif



1.Remove the heat/vent module. See: Housing Assembly HVAC Service and Repair
2.Remove the heater core access cover screws.
3.Remove the heater core access cover.


http://www.2carpros.com/forum/automotive_pictures/12900_hcr2_1.gif



4.Remove the heater core from the heat/vent module.

INSTALLATION PROCEDURE


http://www.2carpros.com/forum/automotive_pictures/12900_hcr3_1.gif



1.Install the heater core in the heat/vent module.


http://www.2carpros.com/forum/automotive_pictures/12900_hcr4_1.gif



NOTE: Refer to Fastener Notice in Service Precautions.

2.Install the heater core access cover. TIGHTEN Tighten the heater core access cover screws to 1.9 Nm (17 lb in)
3.Install the heat/vent module. See: Housing Assembly HVAC Service and Repair

Was this
answer
helpful?
Yes
No
Sunday, January 31st, 2010 AT 6:09 PM

Please login or register to post a reply.

Other Heater Core Replace/Remove Questions