Dave mac
-
Posts
1 -
Joined
-
Last visited
BigMackTrucks.com is a support forum for antique, classic and modern Mack Trucks! The forum is owned and maintained by Watt's Truck Center, Inc. an independent, full service Mack dealer. The forums are not affiliated with Mack Trucks, Inc.
Thank you for your support!
Fan clutch stays on.
in Engine and Transmission
Posted
I’m having this issue with my fan as well lost ground to air switch I thought I fixed it twice by once wiggling ground wires under the starter but it came back on after 10 min next I replaced temp sensor in back on manifold again drive for 10 min it comes on and won’t shut off anything else to try