Question about 1999 Saturn SC
This sounds like one of two things, either there is not enough coolant in the system, or the heater control system is messed up. try this, with your car running at about 205 degrees (feel the upper radiator hose, it should be hot to the touch) grab both of the hoses going into the heater core behind the engine, the should be warm to hot. if they're not warm at all, or just luke warm, you either don't have enough coolant, or the hoses are blocked somewhere. if there is a valve in line with one of the hoses, try to operate it by hand, sometimes those valves (called heater valves) fail.
if the coolant is full and there is hot coolant in both hoses going into the heater core, then you're controls inside are likely the problem. try to turn the heat control from cold to hot and back again a few times, you should be able to hear a clapping sound,it might be very faint, so listen carefully. if you can't hear anything, it's likely the controls itself, unless you hear a hissing sound from behind the dash when you turn the control, that would be a vaccuum line unhooked. you'll have to pull some panels under the dash to find this vaccuum line to hook it up, but it's not too hard , just takes patience. (it's more common for a heater control to go first)
Posted on Jan 24, 2009
Make sure the radiator is full of coolant.if that dosent work you maybe looking at a bad heater core
Posted on Jan 24, 2009
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Feb 23, 2015 | Saturn Cars & Trucks
Jan 28, 2014 | Saturn Cars & Trucks
Aug 16, 2011 | 1996 Saturn SL
Feb 06, 2010 | 1993 Saturn SC1
Dec 14, 2009 | 2001 Saturn SC
Dec 13, 2009 | 1999 Saturn SL
Sep 23, 2009 | 1993 Saturn SC1
Apr 06, 2009 | 1993 Saturn SC1
Jul 24, 2012 | 1999 Saturn SC
402 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: