I have a buddy bringing me his 2001 cummins he says the its knocking and vibrating to the point were his hauling it to me ive never messed with a 24valve except putting clutchs in I know a 12valve from font to back all there common problems but is there any common issues that would cause that on this year model.

 

Take a look at these TSB's and see if they help.


Technical Service Bulletin (TSB)# 21-12-00
Issued: 09/15/00
MODEL: 2000 & 2001

SUBJECT/DESCRIPTION: Tapping/knocking sound during idle.
This bulletin applies to vehicles built before May 10, 2000, equipped with an automatic
transmission. A tapping/knocking sound may be heard or felt in the driver side floor pan area during idle conditions. With the engine running at an idle, listen for knocking sound coming form the driver side floor pan area. If a tapping/knocking sound can be heard, replace the shift linkage with revised parts.
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Technical Service Bulletin (TSB)# 09-008-02
Issued: 10/21/02
MODEL: 1998 to 2002

SUBJECT/DESCRIPTION: Engine knock or rattle sound when climbing a long grade and towing a heavy trailer.
This bulletin applies to 1998-2002 Ram trucks equipped with the 24-valve Cummins diesel engine (sales code ETC or ETH). Owners may experience an engine knock or rattle sound when climbing a long grade while towing a heavy trailer. If the condition exists, replace the engine thermostat as outlined in the service manual. Note: Mopar 05015708AC is to be used exclusively for this service bulletin. Use thermostat 05015708AB for all other 24-vlave Cummins thermostat repairs.