Welcome Visitor! Please take a few seconds and B30004X4
New Member
- Joined
- Apr 22, 2008
- Messages
- 57
- Reaction score
- 0
- Points
- 0
- Age
- 33
- Location
- Wisconsin
- Vehicle Year
-
00
98
97
98
- Make / Model
-
Mazda
Chevy
F
- Engine Size
- 3.0 V6, 4.3 V6, 4.0 V6, 4.0
- Transmission
- Manual
Well the other day when i did my intake gaskets i noticed there was a small grey vaccum line plugged with a screw. I found out it goes to the heater control valve. I put it on and now i have no heat. But when i disconnect it i hear vaccum leaving the valve and then i have heat. What could be wrong? I think its only supposed to get vaccum when the AC is on.
