A/T - Harsh 3rd to 4th Gear Upshift
90ford25 TRANSMISSION - E40D - HARSH 3-4 UPSHIFTArticle No. 90-17-11
LIGHT TRUCK: 1989-90 BRONCO, E-150, E-250, E-350, F SUPER DUTY, F-150, F-250, F-350
ISSUE: A harsh 3-4 upshift may occur if the overdrive clutch return spring retaining ring comes loose. This results in loss of the overdrive return spring function.
ACTION: Install a new heavier clutch return spring retaining ring (FOTZ-7A527-A). Refer to the 1989/90 Light Truck Shop Manual, Vol. A, Section 17-09, for service details.
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: Eligible Under Basic Warranty Coverage, Powertrain Warranty Coverage
OPERATION DESCRIPTION TIME
901711A Install Retaining Ring (add 0.6 Hr.
operation 7000A to R & I
Transmission)
DEALER CODING
BASIC PART NO. CONDITION CODE
7A527 63
OASIS CODES: 390000, 501000