Question about 2006 Buick LaCrosse
Could be the overflow canister or a seal in the front of the engine. Have the system pressure tested to be sure of the origin.
Posted on Feb 27, 2009
SOURCE: coolant leak 1998 buick external
it sounds like the water pump may be leaking beacuse when runnung the seal is lubricated and may not be leaking at that time but when left over night the seal in the water pump contract and starts to leak. check for stains and leaks with a mirror before starting in the morning i think you will find that it is leaking. don't worry they are not bad to change. good luck
Posted on Mar 24, 2009
First, is the operating temp normal? Have you looked carefully to see if the leak is visible after you turn the engine off after a drive? Have you lost coolant? Have you checked to make sure it is actually coolant and not condensation from the air conditioner (normal)? If you verify coolant (green), then remove the bottle and fill it with water. If it's leaking, common or not, you need to replace it. (generally inexpensive at any scrapyard)
Posted on Jul 06, 2009
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