LT5 Coolant Fill - ZR-1 Net Registry Forums

birddog01 · 04-04-2007

Ralph,
Are your fans turning on? It doesn't sound like they are working. Check these before you remove the stat again.

ralph92ZR1 · 04-05-2007

Yes, the fans are working; I just took the car out and even loaned a laser heat sensor to check hose gradients. Anyway, before I left I opened the pressure cap and reseated. For whatever reason the temp rose to 195 deg. F. stayed there for awhile, then dropped to a90 deg. F. This cycle continued for 20 minutes of driving so it seems ok. Then I pulled it in the garage to simulate sitting in traffic. The temp rose to 225 Deg. F., the fans kicked on, and the temp dropped. Alll is well. Maybe the thermostat was stuck initially because it was new.
Thanks to all for the advice.

04-04-2007	#1
birddog01 Join Date: Feb 2007 Location: central NYS Posts: 26	Re: LT5 Coolant Fill Ralph, Are your fans turning on? It doesn't sound like they are working. Check these before you remove the stat again.

04-05-2007	#2
ralph92ZR1 Join Date: Dec 2005 Location: Shillington, Penna. Posts: 67	Re: LT5 Coolant Fill Yes, the fans are working; I just took the car out and even loaned a laser heat sensor to check hose gradients. Anyway, before I left I opened the pressure cap and reseated. For whatever reason the temp rose to 195 deg. F. stayed there for awhile, then dropped to a90 deg. F. This cycle continued for 20 minutes of driving so it seems ok. Then I pulled it in the garage to simulate sitting in traffic. The temp rose to 225 Deg. F., the fans kicked on, and the temp dropped. Alll is well. Maybe the thermostat was stuck initially because it was new. Thanks to all for the advice.