viper getting hot

pup55

pup55

New member
Joined
Mar 21, 2007
Messages
285
Age
64
Location
Boylston Ma.
Guys put a rear heat exchange in my 03 viper bleed the rear and I could not get any coolant out of the front. Started the sled up today with temp outside at 36degs and ran it for about 10 minutes and the exchanges all got really hot. Open hood and touched the hose and the thermo housing and that also was very hot to touch. Ran my brothers sled which is the same sled and his exchanges did not get as hot as mine did. I also tried to get coolant out of the front and nothing would come out of his either. I have the switch in the on postion and take the bolt all the way out and no coolant. Should I worry about my sled getting so hot or could I have a problem because I could not bleed the front? Just dont want it overheating on the first trip of the year.
 
Hmmm thats odd,try bleedeing the system again start to finish,did you see
coolant circulating in the over flow bottle??

were the heat exhangers same temps all the way around,that 10 mins was
it ideling or reving??
 
All exchanges were hot and it was at idle. I would go out every couple of minutes and give it a little throttle. I noticed last week when i talk to you it was hot but I had nothing to compare it to. I will try and bleed it again tomorrow morning and see what happens. I know the overflow container is full but i really didn't see the coolant circ. Could you tell me daman why I cannot get coolant out of the front bleeder? I even squeezed the hose a couple ot times to see if I could get it to come out but nothing.
 
I don't know why,last time i did my SRX i do beleive i had coolant flowing,but i see others said they too did not have coolant coming out, i dug out my man. and it says it's supose to with the valve "on" s maybe a blockage? dunno.

have your coolant bottle only half full so you can see if coolant is circulating and to make sure you don't have W/P issues..
 
I will check it out tomorrow morning. The sled is all stock and has 1800 miles on it. If I was having problems with the WP would the exchanges get that hot that fast?
 
pup55 said:
I will check it out tomorrow morning. The sled is all stock and has 1800 miles on it. If I was having problems with the WP would the exchanges get that hot that fast?
Click to expand...
no but nothing wrong with checking things out. try bleeding again
just to make sure you got all the air out.


you want PDF yamaha service manual? i can email it to ya...you'll need
it now you own one...
 
Last edited:
Mine wouldn't bleed out of that hole either. If you can't get any more air out or anti-freeze in, you might have to take it for a rip and see what happens-- see if your temp light comes on or anti-freeze level goes down.
 
I'll try bleeding it one more time tomorrow and see if I can get anything to come out of the front bleeder if not i will take it out when it snows and keep an eye on it. I just dont see why some people can get coolant out of the front and some can. Both my sleds i cannot get coolant out of the front.
 
I thought on a viper after you pulled the bleed screw in the knob, you had to pull out on the knob some. Maxdlx
 
I will try and pull on the knob a little thanks, On my way out to try it and it just started snowing.
 
I just cant understand when people have trouble bleeding the coolant system, not trying to knock anybody. I hear alll these fancy ways of bleeding, lift the front end,lift the back end, tilt it to the side, pop this screw, pull this knob. LOL I am not a pro at anything,but ive owned and worked on alot of LC engines, and all i have ever done is fill them with as much coolant as it will take, then start it up with the the cap off and i idle it a little high and watch the coolant and add as needed,watch for coolant circulation and a steady stream and also feel the heat exchangers i usually feel the rear(if app) and the right side one. If i feel heat and see coolant circ in the bottle i call it good. Ive NEVER had trouble with that technique. Good Luck
 
Thanks for your input I feel the same way but I havn't owned sleds in a long time and things have changed so much I just dont need any problems on the trail.

I went out and bleed the rear with no air then I went and tried the front nothing. So I took out the top bolt and also removed the bottom bolt and slide out the valve a little bit and the coolant came out. a little air came out at first then a stead stream of coolant. Started the sled @ 10:44 and the exchanges got warm at 10:51 and really hot @ 10:57 and at 11:00 they were hot where I could not leave my hand on the exchanges for more than a second. All the exchanges were hot and water was circ in the over flow. Only thing I can do is take it for a ride and keep an eye on it. Mybe I am compareing it to a sled that is really great on keeping the engine cool.

Thanks Guys
 
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