Fiero L4-151 2.5L (1985)
Engine Oil Drain Plug: Technical Service Bulletins
Oil Drain Plug Gasket - Revised Copper Gasket
Number 86-6 (Gasoline) - 48 Date
6/86
Subject:
NEW OIL DRAIN PLUG GASKET TO REPLACE COPPER GASKET
ALL 1986 AND PAST MODEL YEAR APPLICATIONS OF V-8, V-6 AND OHV L-4 PASSENGER VEHICLES WITH VIN CODES F, H, S, W, X, AND Z
AN IMPROVED OIL DRAIN PLUG GASKET, P/N 14090908, IS AVAILABLE TO REPLACE THE COPPER GASKET, P/N 14079550. THE NEW
GASKET IS A STEEL WASHER WITH CAPTURED O-RING (VITON).
THE NEW O-RING/STEEL GASKET IS CAPABLE OF SEALING IRREGULAR SURFACES WITH LIGHT TORQUES WHILE RETAINING THE
CLAMPING LOAD OVER TIME. REUSE OF THE O-RING/STEEL GASKET DOES NOT LESSEN SEALING OR TORQUE RETENTION
CHARACTERISTICS.
RECOMMENDED TORQUE FOR THE O-RING/STEEL GASKET IS 12-20 FT. LBS. (16-27 N-M).
EXCESSIVELY HIGHER TORQUES MAY CAUSE DEFORMATION, SPLITTING, OR LOSS OF SEALING CAPABILITY.
THIS IS AN INFORMATIONAL BULLETIN.