Ninety-Eight V6-3800 3.8L (1989)
Spark Plug: Technical Service Bulletins
Spark Plug - Revised Design
NUMBER:
91-T-82
CORP.REF.NO: 106501R
DATE:
April 1991
SECTION:
6D
SUBJECT:
NEW DESIGN SPARK PLUG FOR 3800 AND 3800 T.P.I. (VIN C & L) ENGINES
MODELS/YEARS:
1989-91 EIGHTY-EIGHT, NINETY-EIGHT, TORONADO
This bulletin is to inform technicians of a change in the service replacement spark plug for the 1989-91, Eighty-Eight models, and 1989-90 Ninety-Eight
and Toronado models with the 3800 (VIN C) engine, and 1991 Ninety-Eight and Toronado models with the 3800 T.P.I. (VIN L) engine.
When servicing vehicles listed above, technicians may use the new service replacement spark plug R45LTS6, service package number 5614224.
Engines produced after March 1, 1991 will have the new R45LTS6 spark plug installed. When replacing spark plugs in vehicles with the old design
spark plug number R44LTS6, all spark plugs may be replaced with the new service spark plug R45LTS6.
NOTE:
Do not mix the two spark plug numbers in a vehicle.
As service stock of the R44LTS6 spark plug is exhausted, stock will be replaced with the new spark plug R45LTS6.
Parts are currently available from GMSPO.
