Question about 2000 Buick LeSabre
I have no heat after changing my thermostat but i am not sure if the person that changed it let the air out.
I did have heat about a wk ago then one night it stop but then it would come out a little then just stop completely. PLEASE HELP IT IS COLD
If this Buick has a 3.8L, there are air bleed valves that must be opened to ensure the cooling system does not develop an air lock. (Wich would cause a no heat condition). If the thermostat is functioning properly you may want to check if there is flow through the heater core. Check by feeling each heater hose at the firewall with engine at opperating temp. They should both be hot and close in temp. A noticable temp difference in the two hoses would most likely be a flow problem, either from an air lock, bad t-stat or plugged heater core. Good luck.
Posted on Feb 04, 2009
First - it may easily be an airlock.
To fix -
With engine cold, turn heater control up to max. loosen hose connection at the bulkhead where the heater is.
Start engine STAND CLEAR - wiggle to undo hose just enough to let out some coolant - and hopefully the air in there. Tighten up, and refill radiator with correct mix of coolant/ antifreeze.
(test concentration by popping a small sample in your deep freeze at -20 degrees)
If this doesn't cure it - they've fitted the thermostat the wrong way around. - Take out, turn around - so bulb faces engine, reconnect and refill - remove trapped air as above.
Posted on Feb 04, 2009
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Oct 20, 2014 | 2000 Buick LeSabre
Sep 22, 2014 | 1994 Buick LeSabre
Oct 25, 2013 | 2000 Buick LeSabre
Oct 07, 2012 | 2003 Buick LeSabre
Feb 07, 2010 | 2000 Buick LeSabre
Jan 06, 2010 | 2000 Buick LeSabre
Oct 01, 2009 | 2000 Buick LeSabre
1,040 people viewed this question
Usually answered in minutes!