Driveshaft - Boom/Vibration At 20-65 MPH: Overview
Article No.97-21-16
10/13/97
^ NOISE - "BOOM" WHEN DRIVING 32-105 KM/H
(20-65 MPH) - SUPERCAB MODELS ONLY
^ VIBRATION WHEN DRIVING 32-105 KM/H (20-65
MPH) - SUPERCAB MODELS ONLY
^ DRIVESHAFT - "BOOM" VIBRATION WHEN DRIVING
32-105 KM/H (20-65 MPH)-SUPERCAB MODELS
ONLY
LIGHT TRUCK:
1989-97 RANGER
This TSB article is being republished in its entirety to remove mention of build dates in title.
ISSUE:
A driveline "boom" or vibration may be experienced when driving 32-105 km/h (20-65 mph) in some vehicles. This may occur because of driveline sensitivity of the vehicle.
ACTION:
Follow the Diagnostic Chart in this TSB article. Install revised design components as required to provide better isolation and improved driveline angles to resolve the concern. Refer to the following Service Procedure for details.
NOTE:
THE SERVICE REPLACEMENT DRIVESHAFTS CONTAINED IN THIS TSB ARTICLE WILL NOT FIT VEHICLES EQUIPPED WITH A MITSUBISHI MANUAL TRANSMISSION. IF DRIVESHAFT REPLACEMENT IS REQUIRED ON MITSUBISHI EQUIPPED MODELS, REFER TO THE PARTS CATALOG FOR CORRECT APPLICATION.
Parts Block
OTHER APPLICABLE ARTICLES: 91-13-11, 93-18-15
SUPERSEDES: 97-20-16
WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage
For 1992-97 Models, Basic And Powertrain Warranty Coverage For 1989-91 Models
OPERATION DESCRIPTION TIME
972116A Replace Driveshaft 1.3 Hrs.
Assembly, And Replace
Center Bearing
Crossmember Cap As
Outlined
DEALER CODING
CONDITION
BASIC PART NO. CODE
4R602 D9
OASIS CODES: 304000, 509000, 597997, 703000, 703200