Close
1989 f250 heater blows from vent and defrost but not floor.
1990 Ford F-250

1989 F250 heater blows from vent and defrost but not floor.

(1990 Ford F-250)
vent and defrost settings work, but floor setting blows out defrost
How long have you had this problem? 2 months
Tags: ford, f 250
1 answer & 0 comments
Popular Answer
on November 03, 2019
Sounds like a vacuum hose is displaced on the mode door motor, or a vacuum leak between the engine and this area.
Sign in to reply
General Diagnosis
$88 - $111 Learn More
on November 03, 2019
Sounds like a vacuum hose is displaced on the mode door motor, or a vacuum leak between the engine and this area.
Sign in to reply

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
Battery checks at 12.5v. relay getting 12.5v fuel pump only getting 8v instead of the 10.5v it requires. where else...
Sometimes it doesn't engage. light won't come on on the dash. other times works perfect