crank truck up and everything works perfect. a min or two goes by then in does not blow out any where, but fan is still running
Dec 23, 2011 at 6:32 PM
KEVIN GODWIN
MEMBER
53 POSTS
also put a new hvac control head in it twice
Dec 23, 2011 at 6:33 PM
RASMATAZ
✓Experienced Mechanic
75,988 POSTS
Check the air blend door/actuator
Dec 23, 2011 at 6:50 PM
KEVIN GODWIN
MEMBER
53 POSTS
It wouldnt be the mode door
Dec 23, 2011 at 6:51 PM
MHPAUTOS
✓Experienced Mechanic
31,937 POSTS
The fan motor is running but is the blower fan turning? is it slipping on the shaft?
Dec 25, 2011 at 12:24 AM
WRENCHTECH
✓Experienced Mechanic
20,760 POSTS
Yes, it would be the mode door actuator that you are having a problem with. It's located on the end of the HVAC housing on the driver's side.
Dec 25, 2011 at 4:54 AM
KEVIN GODWIN
MEMBER
53 POSTS
replaced mode door worked great for a while then went back to the same thought maybe a bad part tried another and no luck what next?
Jan 5, 2012 at 7:20 PM
KEVIN GODWIN
MEMBER
53 POSTS
fixed but now it blows cold for 10 min then stops blowing all together. you can turn ac compressor off wait a few min. then turn it back on and it will start back blowing
Mar 30, 2012 at 7:36 AM
WRENCHTECH
✓Experienced Mechanic
20,760 POSTS
Can you hear the blower running when this happens?
Mar 30, 2012 at 7:41 AM
KEVIN GODWIN
MEMBER
53 POSTS
yes
Mar 30, 2012 at 8:00 AM
WRENCHTECH
✓Experienced Mechanic
20,760 POSTS
Then the evap may be freezing up due to a faulty low pressure cut off switch.
Mar 30, 2012 at 8:25 AM
KEVIN GODWIN
MEMBER
53 POSTS
kinda what i was thinking just wanted second opinon thanks
Mar 30, 2012 at 9:08 AM
KEVIN GODWIN
MEMBER
53 POSTS
does this truck have a low side stwich and a high side stwich or is there just a ac cycling stwich?
Mar 30, 2012 at 9:14 AM
WRENCHTECH
✓Experienced Mechanic
20,760 POSTS
The cycling switch is the one you are concerned with.