Engine Roar! - Ford Forums

ALOPEZ · 12-31-2007, 10:51

My engine seems to be getting louder and louder every day. I was told to add diesel fuel treatment when I fill the tank. Any suggestions?

99 F-350 7.3 w/ 90000 miles

bkmurray98 · 01-04-2008, 16:44

is your fan clutch seized?they fan makes a lot of noise when the clutch seizes up

ALOPEZ · 01-04-2008, 17:55

How do I check to see if the fan clutch locked up?

bkmurray98 · 01-05-2008, 08:34

make sure the engine is off.grab the fan it should turn freely if not its locked up

ALOPEZ · 01-06-2008, 21:48

No the fan clutch is working fine. Has to be something else. Thanks though for the input.