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TSB 95-6-8 Oil Pan 5.0L
Publication Date: MARCH 27, 1995

FORD: 1990-91 CROWN VICTORIA
1990-93 THUNDERBIRD
1990-95 MUSTANG
LINCOLN-MERCURY: 1990-91 GRAND MARQUIS
1990-92 MARK VII
1990-93 COUGAR
1990-95 TOWN CAR
LIGHT TRUCK: 1990-95 BRONCO, ECONOLINE, F-150, F-250

ISSUE: Beginning 11/29/94, all 5.0L engines are being produced using a rigid carrier-type oil pan gasket. The rigid oil pan gasket design and revised sealing procedure are being introduced to reduce the possibility of mispositioning the cork-type gaskets during assembly which could result in leaks and repeat repairs. The revised sealing procedure is applicable to all 1990-95 5.0L oil pan gasket designs.

ACTION: Apply Silicone Sealant (like Permatex 82180) to the oil pan gasket and block as indicated when service is required. Refer to the appropriate Service Manual for removal and installation procedures.
NOTE: SEALANT MUST BE APPLIED TO BOTH SIDES OF THE OIL PAN GASKET AS SHOWN IN FIGURE 1. FAILURE TO APPLY SEALANT AS INDICATED TO BOTH SIDES OF THE OIL PAN GASKET MAY CAUSE OIL LEAKS.

PART NUMBER PART NAME
F5TZ-6710-A Oil Pan Gasket (5.0L Fel-Pro OS34508R, MAHLE OS32491; 5.8L Fel-Pro OS34506R, MAHLE OS32492)
D6AZ-19562-BA Silicone Sealant

OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: INFORMATION ONLY

For other TSBs, check here.

Drain bolt torque: 15-25 lb-ft



See also:

. . . . . .
____________________________________________________
TSB 01-24-6 ENGINE - ENGINE OIL SYSTEM PRIMING PROCEDURES - SERVICE TIPS
12/10/01

FORD:1995-1997 PROBE, THUNDERBIRD
1995-2000 CONTOUR
1995-2002 CROWN VICTORIA, ESCORT, MUSTANG, TAURUS
2000-2002 FOCUS
2002 THUNDERBIRD
1995-1996 BRONCO
1995-1997 AEROSTAR, F-250, F-350
1995-2002 E SERIES, EXPLORER, F-150, RANGER, WINDSTAR
1997-2002 EXPEDITION
1999-2002 SUPER DUTY F SERIES
2000-2002 EXCURSION
2001-2002 ESCAPE, EXPLORER SPORT TRAC, EXPLORER SPORT
LINCOLN:1995-1998 MARK VIII
1995-2002 CONTINENTAL, TOWN CAR
2000-2002 LS
1998-2002 NAVIGATOR
2002 BLACKWOOD
MERCURY:1995-1997 COUGAR
1995-1999 TRACER
1995-2000 MYSTIQUE
1995-2002 GRAND MARQUIS, SABLE
1999-2002 COUGAR1995-2002 VILLAGER
1997-2002 MOUNTAINEER

ISSUE: Reports of premature engine failure suggest some overhauled, new and/or remanufactured engine oil Systems are not correctly primed prior to initial engine start-up, after being installed in the vehicle. This may cause oil starvation during initial engine start-up.

ACTION: Prior to starting a new, overhauled or remanufactured engine, the oil pump and oil system should be primed to eliminate the possibility of oil starvation at start-up. Refer to the following Service Information for details.

SERVICE INFORMATION: Regardless of engine design, it is extremely important that the engine oil pump is correctly primed, prior to initial engine start-up.

Overhead Cam Engines (OHC, including modular V8s): Overhead cam engines use a G-rotor pump design and is driven by the crankshaft. If the engine is overhauled, the oil pump (prior to assembly) should be fed oil through the oil pick-up passage, prior to installing the pick-up tube and screen assembly. This can usually be accomplished by rotating the oil pump while oil is being fed into the oil pump inlet. Once the oil pump is primed, the oil pump can then be installed onto the engine.Remanufactured engines are usually cold tested before leaving the plant. As a result, the oil pump should not have to be removed from the engine and primed. Overhead cam engines, whether overhauled or remanufactured, prior to starting the engine, ensure the engine crankcase is filled to specification with engine oil. Disable the fuel supply to the fuel injectors (disable inertia fuel shut-off switch) and crank the engine in fifteen (15) second increments, until the oil pump is primed. An oil pressure gauge can be used to assist in determining when oil pressure is obtained. NOTE: ENSURE THE INERTIA FUEL SHUT-OFF SWITCH IS RE-ENABLED PRIOR TO ATTEMPTING TO START ENGINE.

Overhead Valve Engines (OHV, including smallblock V8s): Overhead valve engines (push-rod type) use an oil pump driven by the camshaft via an intermediate shaft connected to the distributor or camshaft synchronizer assembly.Whether the engine is overhauled or remanufactured, the oil pump should be primed prior to starting the engine. If the engine is overhauled, ensure the crankcase is filled to specification with engine oil and using an engine oil pump priming tool kit, (commercially available) rotate oil pump until it is primed. An oil pressure gauge can be used to assist in determining when oil pressure is obtained.If a remanufactured engine is being installed, after the installation has been completed, ensure the crankcase is filled to specification with engine oil. Disable the fuel supply to the fuel injectors (disable inertia fuel shut-off switch) and crank the engine in (15) second increments, until the oil pump is primed. An oil pressure gauge can be used to assist in determining when oil pressure is obtained. NOTE ENSURE THE INERTIA FUEL SHUT-OFF SWITCH IS RE-ENABLED PRIOR TO ATTEMPTING TO START ENGINE.

OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: INFORMATION ONLY
OASIS CODES: 401000, 497000, 499000