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Ray M.
Ray M., Ford Master Tech
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1994/ford/f350/turbo/diesel.torque specs on flexplate to c

Customer Question

1994/ford/f350/turbo/diesel.torque specs on flexplate to crankshaft.
Submitted: 7 years ago.
Category: Ford
Expert:  Ray M. replied 7 years ago.

The troique spec for the flexplate to the crankshaft is.

Section 03-01D: Diesel Engines, 7.3L V-81994 Bronco/Econoline/F-Series Workshop Manual
REMOVAL AND INSTALLATION


 

NOTE: Lightly oil attaching bolt and stud threads before installing, except those specifying special sealant.

 

Flywheel

Secondary

Removal

NOTE: The secondary flywheel inertia mass contains the clutch friction surface. Excessive clutch slipping can result in warpage or other surface distress which requires refacing or replacement of the secondary flywheel. Refer to Cleaning and Inspection in this section. The back side of the secondary flywheel contains a friction surface which is used in the internal torque limitation system of the dual mass flywheel assembly.

  1. Remove the transmission, clutch pressure plate, and disc as outlined in Group 08.
  1. Remove six bolts retaining the secondary flywheel to the primary flywheel assembly. Do not permit the flywheel to fall from the vehicle.
  1. Using a screwdriver or other suitable tool, pry the secondary flywheel off of its mounting pilot. Do not drop.



Installation

  1. Clean the clutch friction surface and torque limitation friction surface with a suitable commercial alcohol-based solvent to be sure that surfaces are free from any oil film.
  1. Position secondary flywheel onto its mounting pilot on the primary flywheel assembly and align the six secondary flywheel attaching bolt holes with the six threaded holes of the primary flywheel assembly.
  1. Clean the flywheel bolt threads and coat threads of secondary flywheel attaching bolts with Threadlock 262 (E2FZ-19954-B) and install bolts. Tighten bolts to 64 Nm (47 ft-lb). Retighten bolts an additional 45°, alternating across from each other.
  1. Install the clutch pressure plate, disc, and transmission as outlined in Group 08.

Primary, Engine Rear Cover and Crankshaft Rear Oil Seal



SPECIAL SERVICE TOOL(S) REQUIRED
DescriptionTool Number
Rear Crankshaft Seal PilotT83T-6701-B

Removal

  1. Loosen marmon clamp at turbocharger wastegate housing, (IDI turbo diesel engines).
  1. Raise vehicle (IDI turbo diesel engines).
  1. Remove bolts retaining exhaust charge pipe to intermediate exhaust pipe, remove exhaust charge pipe (IDI turbo diesel engines).
  1. Remove transmission. Remove clutch and clutch housing, (manual transmission). Refer to Group 07 or Group 08.
  1. Remove nine flywheel mounting bolts and spacer and remove flywheel.



Dual Mass Flywheel


  1. Remove bolts attaching rear engine cover to engine block. Remove rear cover and gasket.



    NOTE: Support rear cover.

  1. Using an arbor press and a suitable spacer 104.78mm (4-1/8-inch) diameter, remove rear oil seal.



    If rear cover seal fails repeatedly, check rear cover bore concentricity as follows:

    • Install rear cover to engine with oil seal removed.
    • Mount a dial indicator (on swivel joint) onto the crankshaft flange. Position the dial indicator press against the inside diameter of the rear cover seal bore.
    • Measure at four equally spaced locations.
    • Rear cover seal bore will be connected to the crankshaft centerline in accordance with specifications.
    • Replace rear cover if not within 0.05mm (0.020 inch).

Installation

NOTE: When applying Silicone Rubber Sealant D6AZ-19562-BA (ESB-M4G92-A) or equivalent always use the bead size specified and join the components within 15 minutes of application. After 15 minutes the sealant begins to set up and sealing effectiveness may be reduced.

  1. Clean rear cover and engine block gasket surfaces.
  1. Remove old RTV sealant from oil pan to rear cover sealing surface on oil pan. Clean sealing surfaces with a suitable solvent, and dry thoroughly.
  1. Coat rear engine cover seal bore inside diameter with Gasket and Trim Adhesive D7AZ-19B508-AA (ESR-M11P17-A) or equivalent.

    NOTE: Seal must be installed from the engine block side of rear cover flush with seal bore inner surface.

  1. Use an arbor press and Rear Crankshaft Seal Replacer T83T-6701-A to install new rear main oil seal.
  1. Apply a 3.2mm (1/8-inch) bead of Silicone Rubber Sealant D6AZ-19562-BA (ESB-M4G92-A) or equivalent around the outside diameter of the rear seal and the edge of the rear cover.
  1. Install Rear Crankshaft Seal Pilot T83T-6701-B onto crankshaft.
  1. Apply Gasket and Trim Adhesive D7AZ-19B508-AA (ESR-M11P17-A) or equivalent to engine block and rear cover gasket surfaces.
  1. Install rear cover gasket to engine block.



    NOTE: The dual mass flywheel may create an objectionable noise or vibration. Install new flywheel bolts with pre-applied adhesive (E7TZ-6379-B). When installing these bolts for the first time, do not apply additional adhesive to the threads. Each time this new bolt or previous bolt (without pre-applied adhesive) is removed to service the flywheel, clean the bolt threads and apply Threadlock 262 (E2FZ-19954-B) to the threads.

  1. Apply a 6.35mm (1/4-inch) bead of Silicone Rubber Sealant D6AZ-19562-BA (ESB-M4G92-A) or equivalent at the corners of the oil pan and on oil pan sealing surface.
  1. Push rear cover into position on engine block and install attaching bolts. Remove Seal Pilot T83T-6701-B. Tighten all bolts to standard torque specification, see chart at the end of this section.
  1. Position flywheel on crankshaft flange. Coat threads of flywheel attaching bolts with Perfect Seal Sealing Compound B5A-19554-A (ESE-M4G115-A) or equivalent and install spacer, bolts and washers (manual transmission only). Tighten bolts to 64 Nm (47 ft-lb), alternating across from each other. Retighten bolts an additional 45°, alternating across from each other.
  1. Install clutch, (manual transmission only). Refer to Group 08.
  1. Install transmission. Refer to Group 07 or Group 08.
  1. Install exhaust charge pipe. Install bolts retaining exhaust charge pipe to intermediate pipe. Refer to Section 09-00, (IDI turbo diesel engines).
  1. Lower vehicle, (IDI turbo diesel engines).
  1. Install marmon clamp at turbocharger wastegate housing (IDI turbo diesel engines).
  1. Run engine and check for oil leaks.