Impulse L4-2254cc 2.3L SOHC (1988)
Speedometer Head: Technical Service Bulletins
Speedometer/Odoometer - Mileage Compliance
BULLETIN NUMBER SB89-04-002
ISSUE DATE July 27, 1989
GROUP ELECTRICAL
VEHICLES AFFECTED
All Isuzu models.
SERVICE INFORMATION
American Isuzu Motors Inc. has been advised by the National Highway Traffic Safety Administration (NHTSA) that vehicles which have the odometer
mileage adjusted to zero must have a label posted indicating the true mileage.
In order to comply with Federal law, after replacing a speedometer assembly, dealers must fill out an odometer label and install it onto the "B" pillar.
The mileage written on the label must be the same as the odometer reading before speedometer replacement.
An odometer label is included in each new speedometer assembly. Additional labels we also available. (See the "Parts Information" section of this
Service Bulletin.)
Figure 1
SERVICE PROCEDURE
After replacing the speedometer assembly, fill out the speedometer label (Figure 1). Using a ball-point pen, write the odometer reading and date of
speedometer replacement. In the space after "BY:", print the name of the technician who performed the repair.
