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1979 Ford F-150 Howling noise in trans area

Tiny
DRUNGE
  • MEMBER
  • 1979 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 125,000 MILES
1979 F-150, when I hit 38 mph, there is a hum/howling noise from the middle or rear end of the truck. Gets louder as I increase speed. It stops completely when I let off the accelerator or shift into neutral.
Saturday, November 28th, 2009 AT 4:16 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Have you checked the rear differential fluid? Make sure it is full and clean. Also, check for play at the pinion bearing and check u-joints.

Let me know what you find.
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Friday, December 4th, 2009 AT 8:14 AM
Tiny
DRUNGE
  • MEMBER
  • 19 POSTS
Fluids are all okay. Just did the initial start-up after the engine swap. Tranny was great when it was parked last Friday, before we tore into the engine.
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Saturday, June 23rd, 2012 AT 10:42 PM

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