Engine noise on radio

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Engine noise on radio

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Engine noise on radio - 7/20/2008 12:40:17 PM

Discoverygirl65

Posts: 1
Joined: 7/20/2008
Status: offline

My 2000 Discovery started making a whining engine noise over the radio. Have no idea what caused it or how to fix it. Help please!!!

Post #: 1

RE: Engine noise on radio - 7/24/2008 12:20:29 AM

wa3ra

Posts: 5
Joined: 5/28/2008
Status: offline

It is mostlikely alternator noise, especially if it rises and falls in pitch with the rise and fall of the rpms.

THIS DOES NOT MEAN THAT THE ALTERNATOR IS BAD!!!!!!!

The most common reason: your battery teminals are a little corroded. Clean all of the connections, protect them with a little petroleum jelly. This is probably all that you need to do.

Should this not work, have your parts store do a dynamic test on the starting and charging system to determine the weak part. It could be battery, alternator, voltage regulator, a slipping fan belt, or just a loose connection. It is usually something maintenance-related, and not one of the pricey parts.

HTH!

Bill

(in reply to Discoverygirl65)

Post #: 2

RE: Engine noise on radio - 7/24/2008 6:57:58 AM

Disco Mike

Posts: 10523
Joined: 4/27/2006
Status: offline

This can also be caused by bad plugs and or wires.
How many miles on your truck?

_____________________________

Mike
Retired service manager. Member of the Solihull Society, NCLR club,past member of the SCLR club and Santa Barbara 4 Wheelers.
99 D2, 3" lift, lockers, H.D. axles, 4:11 gears, Custom front and rear bumpers, Warn winch, HID lights and an Engel 45.

(in reply to wa3ra)

Post #: 3