ClayCollins
TYF Newbie
- Joined
- Aug 15, 2023
- Posts
- 9
- Reaction score
- 8
My son's 2004 Tahoe LT (5.3 flex fuel) with about 320k miles has been running hot for some time - maybe 240 degrees or more in Houston traffic (its been 100 deg F + for a month now). Towing our boat is really a problem. A couple of years ago, our mechanic found the fan clutch was bad and we had it replaced. I did replace all the leaking plastic heater connections awhile back so they are all good and there's no leaks apparent. We have been having to add maybe a cup of coolant every month of so to top it up which suggests a slow manifold or head gasket leak. There's no water in the oil so we've been letting it go and keeping it topped off. Any ideas what we should be looking at? I hate to start substututing parts like a new water pump or radiator when they're not leaking. Thanks in advance for any advice?