Not impressed
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Postmaster
Joined: Oct 2006
Posts: 3,255
Likes: 0
From: saskatoon, SK
Not impressed
well today i find that i have no heat when engine is not under load. Brand new rad, therm, heater core, flushed and back flushed motor and hoses and replaced coolant. I am completely out of ideas and i now have a knock im the front end somewhere. Grrrr, this truck is pissing me off!
Moderator
Joined: Dec 2003
Posts: 97,442
Likes: 1,995
From: Saskatoon, Saskatchewan
I can`t say as I blame you, this is a major bummer.
Where was the work done and was the cooling system properly flushed?
Does the engine heat come up at all? When there is heat is it real warm or just so so?
I`ve had new but incorrectly functioning thermostats, also check to make sure all the air flaps are working properly.
With no heat at an idle it sounds like something is a miss with NO heat, by now you should have good heat.
Where was the work done and was the cooling system properly flushed?
Does the engine heat come up at all? When there is heat is it real warm or just so so?
I`ve had new but incorrectly functioning thermostats, also check to make sure all the air flaps are working properly.
With no heat at an idle it sounds like something is a miss with NO heat, by now you should have good heat.
Thread Starter
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Postmaster
Joined: Oct 2006
Posts: 3,255
Likes: 0
From: saskatoon, SK
i have great engine heat (normal) and as long as im driving i have heat, as soon as i stop and idle the heat goes away to barely warm but when i get back up to speed again i got good heat again. I dont think its a therm as my engine heat would spike up and it doesnt.
Moderator
Joined: Dec 2003
Posts: 97,442
Likes: 1,995
From: Saskatoon, Saskatchewan
If you`re getting good heat driving and not at an idle then there`s possibly an air lock.... I`m not sure, just a thought and hopefully it`s a small minor problem. Have you contacted the shop where the work was done for their ideas on this?
I think if you`re getting heat it must be close to a fix now other than no heat at an idle problem.
Possibly pm Paul/Paso1 for his ideas on it, previously he was a pretty savvy technician.....
I think if you`re getting heat it must be close to a fix now other than no heat at an idle problem.
Possibly pm Paul/Paso1 for his ideas on it, previously he was a pretty savvy technician.....
Last edited by Fomoko1; Feb 10, 2008 at 01:20 AM.
FTE Legend
Joined: Aug 2004
Posts: 37,887
Likes: 20
From: North Central Rural Sask.
I think I may know the problem Chris. On my 89 it did something somewhat similiar. For mine it was the blend door had some stuff in the way of it opening and closing so it wouldnt work quite right.
Quick rundown of how to do it if you feel like checking it out.
Take off glove compartment door. Theres a black panel behind there. Take that cover/panel off, and the blend door is right there. You can move the selector to move the blend door and just open it up and see if theres something there. This is a fairly common problem with these trucks and alot more details can be found by doing a search on it.
Quick rundown of how to do it if you feel like checking it out.
Take off glove compartment door. Theres a black panel behind there. Take that cover/panel off, and the blend door is right there. You can move the selector to move the blend door and just open it up and see if theres something there. This is a fairly common problem with these trucks and alot more details can be found by doing a search on it.
Post Fiend
Joined: Aug 2006
Posts: 20,099
Likes: 7
From: Yorkton Sask
quite often the most frustrating things are something simple. is your fan motor weak maybe?? i know i get more heat in the screw when i'm driving, but i take it as normal cause every rig i've had was like that. perhaps your alternator is weak??
Lead Driver
Joined: Jan 2006
Posts: 8,423
Likes: 0
From: Colonsay Sk. Canada
Oohoohooh I got another I hate SBF story my 93 didn't start today dispite being plugged in for 10+ hours. But my roomates Chevy Colbalt and my 1958 International started dispite NOT being plugged in at all.
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FTE Legend
Joined: Aug 2004
Posts: 37,887
Likes: 20
From: North Central Rural Sask.
My 89 started fine this morning, minus 33, not sure what it was with the wind 
I would check your block heater!
I would check your block heater!
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Post Fiend
Joined: Aug 2006
Posts: 20,099
Likes: 7
From: Yorkton Sask
sorry fellas... but i'm siding with the failing block heater too. my 4.6 sat for 6 hours on friday without being plugged in and she started right up. my old 300 would fire up in the worst weather without ever being plugged in!!
Post Fiend
Joined: Apr 2006
Posts: 12,281
Likes: 1
From: Saskatoon Saskatchewan
Yeah good question well Ryan quite the comparison there you got a 5.8l compared to a little 2.2l and a cobalt is like brand new it should start right away and you got lots of kms as well its good to run lighter oils and have a strong battery
Wow Chris your truck sound like a nightmare unfortunatly
Wow Chris your truck sound like a nightmare unfortunatly