M/T - Buzzing Noise On Deceleration

91ford22

Article No.
91-14-6

07/11/91


^ NOISE - "BUZZING" IN 1ST, 2ND AND 3RD GEARS ON DECELERATION - VEHICLES WITH HUMMER 5-SPEED TRANSMISSION

^ TRANSMISSION - HUMMER 5-SPEED - "BUZZING" NOISE IN 1ST, 2ND AND 3RD GEARS ON DECELERATION


MERKUR: 1985-89 XR4TI 1988-89 SCORPIO


ISSUE: A buzzing noise may be heard in 1st, 2nd and 3rd gears during deceleration when the engine is below 3500 RPM. This noise comes from the 5th gear synchronizer assembly. It may sound very similar to a loose catalytic converter heat shield.

ACTION: Install a revised fifth gear synchronizer assembly and a fifth gear synchronizer blocker ring. Refer to the appropriate model year Scorpio or XR4Ti Shop Manual, Section 16-33, for service details.


PART NUMBER PART NAME CLASS

E5RY-7124-A 5th Gear Synchronizer C
Assembly
E9RY-7107-A 5th Gear Synchronizer Blocker B
Ring


OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: Eligible Under Basic Warranty Coverage, Major Component Warranty Coverage
OPERATION DESCRIPTION TIME
911406A Replace Synchronizer - 3.5 Hr.
Scorpio
911406A Replace Synchronizer - 4.0 Hr.
XR4Ti
DEALER CODING
BASIC PART NO. CONDITION CODE
7124 56
OASIS CODES: 505000, 597997, 702000