Ranger 2WD V6-177 2.9L (1989)
Propeller Shaft: Customer Interest
Driveline - Vibration Between At 25 And 50 MPH
Article No.
91-13-11
06/26/91
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BOOM/VIBRATION - WHEN DRIVING AT 25-50 MPH - 4 X 2 SUPER CAB MODELS BUILT PRIOR TO 12/15/89
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DRIVELINE - BOOM/VIBRATION WHEN DRIVING AT 25-50 MPH - 4 X 2 SUPER CAB MODELS BUILT PRIOR TO 12/15/89
LIGHT TRUCK:
1987-90 RANGER
ISSUE:
A driveline boom/vibration may occur when driving at 25/50 MPH. This condition is usually due to driveline imbalance sensitivity.
ACTION:
Install new tighter fitting driveshaft assemblies. Refer to the following procedure for service details.
1.
Remove the driveshaft assembly. Refer to the 1987-90 Ranger Shop Manual, Sections 15-61 or 05-01, for service details.
NOTE:
IDENTIFY THE YELLOW MARK ON THE AXLE FLANGE FOR PROPER DRIVESHAFT INDEXING DURING REASSEMBLY. DO
NOT GET DIRT ON THE TRANSMISSION OUTPUT SHAFT.
2.
Install the new driveshaft.
a.
Be sure that all components are properly indexed and the yellow dots are aligned.
b.
Tighten the four (4) driveshaft attaching bolts to 61-87 lb.ft. (83-118 N-m).
c.
Tighten both center bearing bracket bolts to 27-37 lb.ft. (37-50 N-m).
PART NUMBER
PART NAME
CLASS
F0TZ-4R602-B
Manual Transmission Driveshaft
C
(1990)
F0TZ-4R602-F
Automatic Transmission
B
Driveshaft (1990)
N800594-S100
Driveshaft Attaching Bolt (Pkg.
AM
of 4, 4 Req.)
N605800-S100
Center Bearing Bracket Bolt
BS
(Pkg. of 1, 2 Req.)
N801673-S2
Center Bearing Bracket Nut
S
(Pkg of 8, 2 Req.)
E8TZ-4R602-U
Automatic Transmission
B
Driveshaft (1987-89)
E9TZ-4R602-L
Manual Transmission Driveshaft
(1987-89)
C
OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: Eligible Under Basic Warranty
Coverage, Powertrain
Warranty Coverage
OPERATION
DESCRIPTION
TIME
911311A
Install Driveshaft Assembly
0.4 Hr.
DEALER CODING
BASIC PART NO.
CONDITION CODE
4R602
67
OASIS CODES: 597997, 703000, 703300
