Diesel Data: Automotive Repair

Fuel - Torque Specifications For Fuel Line


91toyota03

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

From VIN: JT2MA70 * * L0152306
JT2MX83 * * L0061819
JT2MX83 * * L0062952
JT2MX83 * * L5007101
JT2MX83 * * L5007497


PART NUMBER INFORMATION:

The following new gasket kits and cold start injector assemblies include new tin-plated fuel line gaskets. The revised torque specifications apply whenever the tin-plated fuel line gasket is used.

PREVIOUS PART NO. NEW PART NO. DESCRIPTION

04111-42020 04111-42021 Engine Overhaul Gasket Kit

04111-42030 04111-42031 "

04112-42020 04112-42021 Engine Valve Grind Gasket Kit

04112-42030 04112-42031 "

23260-49105 23260-49126 Injector Assy. Cold Start Fuel

23260-49115 23260-49116 "

23260-49125 23260-49126 "