So im d riving today and its freakin cold! I turn the car on drive and when the temperature meter strikes the middle i turn on the heat the car heats very crappy but then when i come to a stop it blows hot air and then stops all of the sudden as i keep driving the heats goes up and down with the warmth and towords the end of the jurny it was simply blowing hot air like crazy so i had to turn it off what might be the reason for this?

 

CHeck your coolant level and purge the air out of the top of the engine. Mine does the same thing when I either get some air trapped in the top of the T-stat housing or my coolant level gets too low

Massey

 

What do you mean by purging the air out of the top of tue engine can you post some pictures? Thx

 

I dont have any pics of the purge valve with me right now. You have a 3.8L right? If so look on the thermostat housing and you will see a little screw-like thing. It takes a standard screwdriver. Get the engine hot with the radiator cap off and then open that screw up. All the air and steam that is built up at the top of the engine will "purge" out the hole in that screw (that screw is called a purge valve or bleeder screw). watch your water level when you do this it should drop and it prolly will drop pretty fast. Refil any coolant and repeat process 5 times or until only liquid comes out the hole.

Massey

 

Yes i got a 1999 3.8 l can u guide me to which side of the engine the valve is going to be and if u can where the termostat is as well. Thx

 

Follow the top radiator hose... drivers side and the T-stat housing is on the intake.

Massey

 

pictures plz hehe im such a noob...

 

OK look guy... Find the big hose on the drivers side of the engine, follow it to the engine block and there you will find the thermostat housing, on the thermostat housing you will find this little brass bleeder screw. You cant miss it. I right now cant, let me repeat this CANT get pictures of my car to show you.

Massey

 

Ok guy thx btw im new to the whole mechanic thing thats y i ask so many questions and im a visual person thats y i ask for pics im not expecting you to send me them asap but when u get a spare moment or even look em up on google and show me i am very thankful for all your help as well as other members of this forum and i do realize we all got other things on our schedules then these care and this forum thx again i will try to find it

 

sebi, pick yourself up a factory service manual for your yr camaro. they are way better than any of the aftermarket books. heres what they look like, 3 book set. you may find a better deal, or not.
http://compare.ebay.com/like/3206375...=263602_309572