Intermittent Heat Problem

[mfixit]

I have a weird problem.

As the car is in motion, my heat is perfect. At stop lights, etc., it goes cold.

The temperature gauge is always fine.

A/C works fine.

If I turn from hot to cold air, it does get colder.

Anyone have any ideas?

[teetime4one]

we need to look at a few of our cars.
me and Dave (elchicano) have a similar problem.
there are a couple of reasons that can cause this HEAT problem to occur.
most likely it is worn out cables under your dash.
if i remember correctly...the cables in question are located behind/under the glove box.
there are threads on how you can fix this.
let me look and see what i can find.
i'll be back.

[teetime4one]

http://www.318ti.org/forum/showthrea...highlight=heat

read through this thread Michelle.

[mfixit]

Pheeew! I was worried that this was a symptom of a major/massive problem.

Thanks!

[elchicano]

Yea i have the same problem, but mine is weird. The center vents act up, the one to the left blows cool air while the right one is hot. But there's another thing you can look at before removing the glove box. We need to do some kind of meet because i know i might mess something up ehile doing this.

[elchicano]

It's the heater valve control that i was talking about. It's mentioned in the link sean put up. But i heard it's better to do the heater valve control before removing the glove box and go looking for the cable. So if anybody is interested let me know.

[teetime4one]

i am

[elchicano]

That's cool we can look at it when we go to your shop this weekend after we do you springs

[L84THSKY]

I have the exact same problem. I was starting to think this was normal. Keep me posted on the fix.

Originally Posted by mfixit

I have a weird problem.

As the car is in motion, my heat is perfect. At stop lights, etc., it goes cold.

The temperature gauge is always fine.

A/C works fine.

If I turn from hot to cold air, it does get colder.

Anyone have any ideas?

[teetime4one]

L8...i haven't seen you post in a coons age...
how have you been?

[elchicano]

yea i thought you had sold your ti or something and were no longer on here.

[L84THSKY]

I've posted here and there. My GF and I just got an apartment together, so I have been very busy lately. This summer, I wanna finish all my mods, and get those pesky problems sorted out.

Thanks for asking guys......

Originally Posted by teetime4one

L8...i haven't seen you post in a coons age...
how have you been?

[teetime4one]

right on.
once we get together and hammer out this issue of having no/little heat i'll be sure to take notes and PM them to ya.

[Severian]

Originally Posted by mfixit

As the car is in motion, my heat is perfect. At stop lights, etc., it goes cold.

The temperature gauge is always fine.

A/C works fine.

Check your coolant levels, too. I had this symptom after I had replaced the thermostat, water pump, and fixed the bowden cable problem. Bleeding the system solved the problem, probably because there was air in the system due to lack of sufficient coolant and because I dumped a ton of coolant back into the reservoir while working on bleeding the system.