Main IndexAuto Repair Home Search Posts SEARCH
POSTS
Who's Online WHO'S
ONLINE
Log in LOG
IN









2000 Blazer, No Heat


  Email This Post



BlazerMan2000
New User

Dec 21, 2007, 10:18 AM

Post #1 of 4 (5781 views)
Shortcut
2000 Blazer, No Heat Sign In

Recently my 2000 Chevy Blazer has not been producing any heat. If I put the heat on the lowest setting, it eventually gets mildly warm, but nothing hot enough to keep me warm.

I checked the fluid level and it's great. The line into the heater core is nice and warm, but the line coming out of the heater core is cold. Could this mean I have an air bubble in the heater core?

Also, I understand that this could be symptoms of a faulty thermostat. Let me know what you think. ]

Thanks


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Dec 21, 2007, 11:08 AM

Post #2 of 4 (5771 views)
Shortcut
Re: 2000 Blazer, No Heat [In reply to] Sign In

Does engine get up to normal operating temp? If it does this sounds like there isn't enough coolant being sent thru heater core - either restricted, plugged up and flushing it would show that,

T
_________________________________________
Long retired now


BlazerMan2000
New User

Dec 21, 2007, 11:26 AM

Post #3 of 4 (5768 views)
Shortcut
Re: 2000 Blazer, No Heat [In reply to] Sign In

It gets up to around 180 degrees, which I thought was a normal operating temperature. How would I flush the heater core?


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Dec 21, 2007, 11:50 AM

Post #4 of 4 (5765 views)
Shortcut
Re: 2000 Blazer, No Heat [In reply to] Sign In

Gauge may be wrong. It really ought to read 220F or so and stay steady there. Edit: should read close to thermostat temp - typically 195F or so. Vehicle's gauges are approximate.

You may have a thermostat problem. From cold, feel upper rad hose. It should stay cold till thermostat starts to open which takes several minutes. If you notice it warm up fairly quickly the thermostat isn't shutting well and that would throw this off. Be careful please but upper hose should be too hot to hold.

To flush a core only you would remove the two hoses and rig up water to flush back and forth thru it with like garden hose but you can't use full pressure. If it really needs this it's best to do the whole cooling system and start off with new anti-freeze.

This is a good job to farm out as it makes a real mess and this time of year many folks have put hoses away. Know that anti-freeze is toxic and kills plants and shouldn't be left around open at all as animals and perhaps a child would drink it and that's NOT GOOD! It's a hazmat and should be treated as such.

Again this is probably just a thermostat and I suggest paying for an OE one,

T
_________________________________________
Long retired now


(This post was edited by Tom Greenleaf on Dec 21, 2007, 9:49 PM)




Advertising


  Email This Post
 
 






Latest Forum Post

I have a weird situation in that my run lights won't work on my utility trailer....


1999 GMC Sierra 1500 I was driving and the truck just killed. Got it home and ...


Hi Guys and Girls, My 02 Chevy Astro has not been able to start, some tips would...


I have a 1992 ford ranger 3.0l v6 5 speed. today i ran out of gas and when i got...


I have a 1997 Grand Caravan 3.3 Liter that does not shift into first, Once the c...


A few days ago my driver-side headlight went out, and last night my passenger-si...


Feed Button






Automotive Forum Categories
AC Auto Repair
Auto Body Repair
Auto Insurance
Automotive Repair
Automotive Wiring
Automotive World
Brake Systems
Car Care Tips
Car Racing
Car Shows and Events
Car Stereo Repair
Car Troubleshooting
Engine and Car Noises
Engine Fault Codes
Engine Troubleshooting
Exhaust System Repair
Gasoline and Motor Oils
General Discussions
Motor Vehicle Inspection
Motorcycle ATV Repairs
Motorcycle Body Repair
Motorcycle Clutch Repair
Motorcycle Engine Repair
Motorcycle Repair
Motorcycle Seat Repair
Remote Control Cars
Steering and Suspension
The Bargin Bin
Traffic Ticket Help
Tricks of the Trade
Truck Repair
Truck Repair Advice
Truck Engine Repair
Truck Suspension Repair
Car Forum - Sitemap


Search for (options) Privacy