Engine and engine cooling: engine: diesel (Cummins)
Vehicle equipment recall 98E-030. NHTSA received CUMMINS ENGINE CO.’s report on Sep 29, 1998.
Watch and the shortlist are kept with a free account, on every device. Your watch list. NHTSA’s own record is on nhtsa.gov.
The short answer
NHTSA received CUMMINS ENGINE CO.’s report on Sep 29, 1998. Copied from NHTSA on Oct 20, 2026.
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
OIL LEAKAGE ONTO THE ENGINE’S EXHAUST MANIFOLD AND INTO THE ENGINE COMPARTMENT COULD POSSIBLY RESULT IN A FIRE.
EQUIPMENT DESCRIPTION: C8.3 URBAN BUS ENGINES SHIPPED TO FLXIBLE CORPORATION.
THE LUBRICATING THERMOSTAT INTERNAL PIN EXERTS FORCE ON THE INSIDE FACE OF THE LARGE ALUMINUM HEX NUT, WEARING A HOLE IN THIS NUT.
LUBRICATING OIL CAN THEN LEAK OR SPRAY UP ONTO THE EXHAUST MANIFOLD AND INTO THE ENGINE COMPARTMENT.
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
- NHTSA’s part: Engine and engine cooling: engine: diesel.
What should you do?
DEALERS WILL REPLACE THE OIL THERMOSTAT WITH A NEW LUBRICATING BYPASS VALVE.
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
- How to reach the firm: OWNER NOTIFICATION BEGAN OCTOBER 2, 1998.OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CUMMINS AT 1-800-343-7357 (1-800-DIESELS).ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION’S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).
Which ones are recalled?
NHTSA counts 625 items potentially involved, across everything this recall names.
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
- Cummins C8.3Built from Nov 26, 1991 to Oct 12, 1995
Who is recalling it?
- Made by CUMMINS ENGINE CO..
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt.
- Which ones, by part or lot: the recall’s report on NHTSA’s site gives them where the maker did; this file gives part numbers only where its maker listed them.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
-
National Highway Traffic Safety Administration, Recalls flat file before 2010 (FLAT_RCL_PRE_2010).
Released Oct 20, 2026 and checked Oct 20, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 20, 2026.