740 L4-2.3L SOHC VIN 88 B230F (1985)
Exhaust Manifold: Technical Service Bulletins
Exhaust - Replacement Flange Nuts
Subject:
Product
EXHAUST
CARS
FLANGE NUTS Group
B21/B23/B230
(NON TURBO)
25
Date:
No.
JULY, 1985
105
THIS BULLETIN IS APPLICABLE TO THE U.S. AND CANADIAN MARKETS AND SUPERSEDES SERVICE BULLETIN GROUP 25 NO. 105
DATED SEPTEMBER, 1984.
In the event of exhaust leakage at the front exhaust pipe flange due to the nuts loosening, replace the existing nuts with flange nuts P/N 3270420-7
Torque the nuts to 40-50 N-m (30-37 ft.lbs.)
If necessary, also replace the flange gasket to ensure a good seal.
The new nut will be introduced in production as a running change.
Claims may be submitted under the new car warranty operation no. 251293 time allowance 0.4 hours.
