Aerostar 2WD V6-245 4.0L (1990)
w.
Coat the rear main oil seal (D7RZ-6701-A) with oil. Install the rear seal in the seal bore using Rear Oil Seal Replacer T72C-6165-R. This
tool uses two flywheel bolts to draw the seal into position. Refer to Figure 9.
CAUTION:
DO NOT USE THE OLD STYLE HAMMER OPERATED TOOL.
3.
Repair procedure for a leak between the rear main seal and the crankshaft. See block diagram, Procedure A, Step A4/F3.
a.
Any presence of rust on the rear seal journal will cause a leak.
b.
Any presence of pitting, porosity or nicks on the rear seal journal will cause a leak.
NOTE:
IF A LEAK IS PRESENT BETWEEN THE REAR MAIN SEAL AND CRANKSHAFT, PLEASE NOTIFY THE 4.0L "HOTLINE" AT (800)
537-8046 OR (800) 552-4445 PRIOR TO ANY ATTEMPT TO REPAIR THIS CONDITION.
Service Procedure - Repair For Oil Leaks At Intake Manifold
PROCEDURE B