my 2002 f-150 makes a humming noise coming from the rear of truck i cant figure out wat it is

Asked by Nov 18, 2013 at 08:43 PM about the 2002 Ford F-150 XLT SuperCab SB

Question type: Maintenance & Repair

3 Answers

65,075

Check the fluid level in your differential (pumpkin). It may be low. When you remove the inspection plug stick your finger straight in the hole. The fluid should be at the bottom of the hole. HTH. -Jim

230

Sounds like a bearing. Or it could be coming from the tailpipe. Does it do it when idling or while going down the road? It could also be the fuel pump.

1 out of 1 people think this is helpful.
23,845

You didn't state whether the noise came while driving or if you noticed it while parked with the engine running. Often, the electric fuel pump can be heard while parked with the engine running. Look at the backing plates of the rear wheels for a coating of gear oil. Those axle bearings aren't the best.

2 out of 2 people think this is helpful.

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