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Service bulletin R01058

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 id623343
Published by NHTSA2001-10-26
Manufacturer's numberR01058
Manufacturer's date2001-08-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

INFORMATION REGARDING COACHES BUILT WITH ISL ENGINES THAT NEED TO BE UPRATED FROM 370HP TO 400HP. NLM

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
HOLIDAY RAMBLER IMPERIAL2002
MONACO COACH DYNASTY2002

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