Need help, heater doesn't work
11-13-06, 02:37 PM
#1
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Location: California
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Need help, heater doesn't work
I need help you guys. I got my 93 sc400 for about a month now. I live in san francisco. My a/c in my car works great and the air works great too. The heater seems to not work at all. I turn up the temp but still no heat at all. Anyone have any suggestions i can do or have check out? A fuse or something? I'm not really a mechanic so i don't know much about it. I would appreciate the help or any suggestions on fixing it. My climate control LCD screen burnt out. Please help.
11-13-06, 02:50 PM
#3
Zombie Slayer
Just solved the same problem this weekend.
Start by checking your coolant level. Low level = no heat!
If that's fine, heater control valve. It's by the firewall, passenger side of the car. You will see 2 vacuum lines attached to the control valve. Switch those and see if your heat begins working.
If it does, the servo only has failed and can be repaired for basically pennies. (search here for that fix).
If it doesn't work, then you'll need a new Heater Control Valve. $250 + new for just the part.
Start by checking your coolant level. Low level = no heat!
If that's fine, heater control valve. It's by the firewall, passenger side of the car. You will see 2 vacuum lines attached to the control valve. Switch those and see if your heat begins working.
If it does, the servo only has failed and can be repaired for basically pennies. (search here for that fix).
If it doesn't work, then you'll need a new Heater Control Valve. $250 + new for just the part.
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