Supra L6-3.0L DOHC (7M-GE) (1990)
Fuel Return Line: All Technical Service Bulletins
Fuel - Torque Specifications For Fuel Line
REF.: ENGINE
NO.:
EN91-006
DATE:
MAY 24, 1991
MODEL:
MA/MX
FUEL LINE TORQUE SPECIFICATIONS
The fuel line torque specifications on 7M-GE and 7M-GTE engines have been revised as the gasket material has changed from copper-plated to
tin-plated. Torques for union bolts and pulsation damper are different depending on the type of gasket used.
GASKET
PREVIOUS - COPPER PLATED
NEW GASKET - TIN PLATED
LOCATION
P/N
TORQUE
P/N
TORQUE
# 1 UPPER
90430-17002
29 ft.lb.
90430-17006
* 23 ft.lb.
LOWER
90430-14002
(31 N-m)
90430-14007
(31 N-m)
# 2 UPPER
90430-12005
22 ft.lb.
90430-12026
23 ft.lb.
LOWER
(29 N-m)
(31 N-m)
# 3 UPPER
90430-08005
13 ft.lb.
90430-08012
8 ft.lb.
LOWER
"
(18 N-m)
(11 N-m)
# 4 UPPER
90430-10204
18 ft.lb.
90430-10012
18 ft.lb.
LOWER
(25 N-m)
(25 N-m)
Previous and new parts are interchangeable
*
Torque must be 20 ft.lb. (26 N-m) when the pulsation damper is installed.
COMPONENT LOCATION:
PRODUCTION EFFECTIVE:
From Production Date:
July, 1990
From Engine No.
7M-0430925