2003 LINCOLN AVIATOR
170,000 MILES
Avatar
ANONYMOUS
  • MEMBER
  • 1 POST
the water pump was replaced and now when i turn on the compressor the air turn cold even with the temp on hot . in other words the heat goes from hot to coldwhat should i do to fix this
Jan 11, 2013 at 1:02 PM
Advertisement
Avatar
HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
check the vacuum motors for vacuum whenheat is on. also check water vavle to see if it is getting vacuum. lastly check for a vacuum leak it starts underhood.you r water valve may be open then closing causeing no heat
Jan 11, 2013 at 2:39 PM
Avatar
HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
forgot to send pic lol.
Image (Click to enlarge)
Attached Media
Jan 11, 2013 at 2:39 PM
Advertisement