Your problem is similar to mine -- Temp gauge reads 'zero' and, when engine is shut-off, the cooling fans (two) stay running. 2001 Impala, 125,000 miles (only 89,000 on 'new' transaxle).
My problem is intermittent -- sometimes things work fine.
My concern is not so much about temp control, but fear (from a mechanic's comments) that incorrect temp sensing might cause incorrect input -- and damage -- to transaxle.
I'm planning to check into BCM (Body Control Module) issues. On the 2001 Impala the BCM participates in control of the cooling fans.
If you receive info outside of this forum please forward to me (or post here).
Thursday, December 28th, 2006 AT 1:28 PM