Join Date: Aug 2016
Location: Idaho panhandle
Re: 03 7.3 Excursion high pitched sound?
Was it a turbo noise??
My excursion has made this metallic turbo wheel noise a couple of times while towing, just like you describe
The turbo on our excursion has also been known to "flutter" under load on long grades at higher boost.
I figure the turbo needs to be rebuilt
The sound to me sounds like the compressor wheel rubbing the housing!!!
I have yet to look in there....too many projects the excursion will have her day.
Very metalic sounding, exactly as you describe, happens when downshifting and towing long grades under boost......first time I thought "OH CRAP there goes the turbo"
Year later happened again I'm like "Oh crap there goes the turbo"
Third time I'm like "ah well she just does that sometimes."
Borrowed time, a noise like that is not normal operating proceedure
1997 CCFB 7.3, ZF5, 4x4, 4.10, baby swamps, TS6, E99 spyder, RiffRaff pipes, 6.0 FMIC, RSK, 315 toyo at
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2001 Excursion 7.3, auto, 4x4, 3.73, 6" Suspension lift, 37" Dick Cepeks
2000 E350 7.3, auto 2wd, 3.73, planning a TTB 4x4 conversion
21.9 liter family