HELP! my heater!

[ts_MKIII]

I need youre help ugys, so i started using my heater lately, well it doesnt blow out hot air, and my ac need charging so it doesnt blow out cold air, but when i try to use the heater it just blows air, usually depending on the temp outside determines what the air is, hot cold or mild. well its blowing hard but its blowing just air, cold air at that. so please help me out, what can i do?

 

[Godspeed]

check the thermostat, possibly heater core, check the hoses at the firewall in the engine bay see if there hot if so its prob. the core.

 

[boost fiend]

try the vsv on the firewall. i had to unplug mine and run it all the time. i have great heat now. too lazy to replace it considering im gonna block it off again in the summer.

 

[ts_MKIII]

try the vsv on the firewall. i had to unplug mine and run it all the time. i have great heat now. too lazy to replace it considering im gonna block it off again in the summer.

how do i do that ahha im not very familiar with the heater stuff lol..

 

[shaeff]

heater valve:

the best way to check, in my opinion, is to push the plunger all the way up into the valve, then use a coat hanger to wire it there, or a zip tie. if you get your heat back, then you've found the problem. i completely removed mine...

-shaeff

 

[ts_MKIII]

thats what my freidn suggessted but what do i push p to where likle whatnumber

 

[shaeff]

here ya go, look where the arrow points in the pic, there's a little plunger under there. push it up, and zip tie/wire it there. it'll let coolant pass through the valve into your heater core. it's located on the passenger side of the firewall. you can follow the heater pipes from the back of the head right to it.

-shaeff

 

[ts_MKIII]

for some reaon it doesnt feel like it can go up any more... and how do you suggest i zip tie? it?

 

[ts_MKIII]

it feel as ifni force it it will go up, is that right, haah i dont wanna break it.

when i do i know when to stop pushing it up there and tie it?

 

[foofers]

Here's two links to help you out:
http://www.supras.com/06/techcenter/display.php?QID=67
http://www.supras.com/06/techcenter/display.php?QID=58

 

[shaeff]

you wont break it, or shouldnt anyway. push it so the plunger is as far up as you can get it, and wrap a zip tie around it, then wrap a zip tie around the other. or just use a wire coat hanger. get creative.

-shaeff

 

[boost fiend]

or just go out and buy some new heater hose and rerun all the hose back there. bypass the vsv. i know its hillbilly but it will work.

 

[Stwilm]

I had the same problem but fixed it today. The easiest way is to take off the vac line at the bottom of the VSV (valve) and put it into the nipple on top. Take the top vac line and loop it around to where you removed the bottom line. MIne works like a charm now.

 

[boost fiend]

i agree. cheaper in the long run, and still styleishly hillbilly. thats what i did. or just bypass the whole assembly. either or works.

 

[isnms]

http://www.supramania.com/forums/showthread.php?p=102575#post102575