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brat wont heat up....
Posted 23 November 2008 - 02:42 AM
Posted 23 November 2008 - 02:53 AM
Posted 23 November 2008 - 02:59 AM
Posted 23 November 2008 - 03:06 AM
Also make sure that your not bringing in cold air from outside ( the mix door or vents) I had the one on the pass side of the car stuck open once and seemed I had the same problem. Also make sure the valve thing that lets the hot water from the engine into the heater core isnt stuck..or your heater core clogged.
I would like to know what temp your motor is running at though.( I will be doing the Thermometer trick in the next few days to my coupe)
Posted 23 November 2008 - 03:51 AM
Posted 23 November 2008 - 10:05 AM
However, this sounds like a thermostat that stays open all the time.
If the thermostat won't fix it, check the temps at both hoses to the radiator with the car fully warmed up. One of them should be almost too hot to touch, the other just hot. If the coolant is confirmed to be hot enough, check that the valve on the heater core is opening completely. Replacing a heater core on your brat is a real pain and I'd do that as a last resort.
One other thought, how's the blower motor pushing warm air? If the air channel is clogged or the blower motor not up to speed, you might not be getting enough hot air into the car.
Edited by edrach, 23 November 2008 - 10:11 AM.
Posted 23 November 2008 - 10:20 AM
The thermostat was new, IIRC under a couple of months old. Changed it with another OEM stat and voila, toasty feet!
That was a few years ago, its probably time for another new one :-\ (still works great).
As for the loose belt, could it be that the alt just came a little loose and shifted position?
Just my 2 bucks
Posted 23 November 2008 - 12:12 PM
Posted 23 November 2008 - 12:37 PM
Posted 23 November 2008 - 04:30 PM
if you say the fan actually comes on from time to time, I'm thinking it's not the thermostat stuck open. If that thermoswitch is getting hot enougn to turn the fan on, that means the coolant is up to...shoot...180 degrees (?) at least coming out of the engine. that's plenty hot to make your heater blow hot...I feel like you're looking at a heater core problem.
as stated above, the control valve for the heater core (next to the driver's right foot) should open and close to allow the hot fluid in.
if your heater core is clogged, before you go nuts and replace it, undo the two hoses at their other ends (engine end, AWAY from the firewall) and stick a garden hose up to one to flush the crap out of it. then stick it in the other hose and back-flush. back, and forth, back, and forth.
Then, hook it all back up, top off the coolant again and see if that does the trick.
Posted 23 November 2008 - 04:47 PM
your dash gauge might not be accurate... lousy grounds and whatnot... you should see it change when the fan comes on, since that's when the thermostat will be releasing all the hot/cold water into the system...
I'm thinking your heater core is clogged... I had to flush mine out... garden hose trick works good, just don't turn it on full blast and put ALL that pressure into your core... just push enough water through until it starts resisting, then push it through the other side...
Posted 23 November 2008 - 05:44 PM
Posted 23 November 2008 - 06:08 PM
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