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Service bulletin 0900401

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id628237
Published by NHTSA2002-03-06
Manufacturer's number0900401
Manufacturer's date2001-05-18
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

CUSTOMER MAY COMPLAIN OF HIGH OIL CONSUMPTION, GREY OIL SMOKE COMING OUT OF THE EXHAUST OR BREATHER TUBE, OR MECHANICAL KNOCKING. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
DODGE RAM1989 to 1993
DODGE RAM1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20010522001-03-08. Engine
19981871998-09-22. Engine
98V2090001998-09-08. ENGINE AND ENGINE COOLING:ENGINE:DIESEL
98V2070001998-09-08. ENGINE AND ENGINE COOLING:ENGINE:DIESEL

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
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R2118796A2021-05-03. Service bulletin. Valve Body. These may cause over drive cycling.
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