Instrument Panel Cluster Area (23-19-80-00)
Problem Repair1. Instrument cluster rattles and buzzes. Diverter Valve Hose: This is the major
The major source of cluster and gauge cause of speedo noise, the cable cannot
buzzes is the routing of the speedo- touch the hose. Cable must be routed
cable in the engine compartment. The below diverter valve hose and above the
cable cannot contact the air pump shift cable on automatic cars. If cable
diverter valve hose, air cleaner, or still touches hose, tie strap diverter
shift cable or linkage. hose to heater hose to hold diverter
away from cable.
Problem Repair
Speed Control Equipped Vehicles: The speedo cable must be routed outboard of the air pump and above the heater hose going to the radiator. The cable must not contact the diverter valve hose.
Manual Transaxles: The two-piece cable cannot contact the diverter valve hose or the air cleaner. Adjust cable fore or aft to relieve this condition. May require an additional tie strap to heater hose.
If buzz persists, speedo cable must be isolated from the instrument panel. Refer to speedo cable Technical Service Bulletin #21-13-83.
2. Visually check for bezel to steering Remove bezel and file flange to obtain column shroud interference (Omni, clearance. Horizon, Turismo, Charger, Rampage, and Scamp).
3. While holding engine at RPM's where buzz Use "Super Glue" to repair lens or occurs, touch the cluster bezel. Remove replace it.
bezel and check for buzz again. If buzz still occurs proceed to Item #4. Check lens for cracks or loose weld.
4. With bezel removed and engine reved to Tightened loose screws. If low fuel relay reproduce buzz or noise, touch lightly or voltage limiter is the cause of the
the mounting screws in cluster, gauges, buzz, replace it and repeat Step 4.
and bulbs. Remove voltage limiter or Foam wrap wiring clips on main harness
low fuel relay. If noise continues, by duct. Tape and reroute harnesses as
remove cluster and rev engine, look for required to stop rattles.
wires moving or touching the defroster duct. Check the back of cluster for loose parts.
5. If noises continue, check the turn Tighten screws. signal lever for a loose turn signal lever cover or speed control switch if so equipped. Carefully remove cloth covered foam hider from steering column opening and check for loose screws holding lever cover or speed control switch to the wiper switch are tight.
Problem Repair
6. If noise still continues, check turn Install silencer and reinstall knob. signal lever for a silencer. Pull knob off end of shaft (intermittent wipers only) and insure that a foam silencer is seated inside the end of the turn signal lever cover or speed control switch.
7. Check to see if turn signal lever Trim shroud for clearance if noise stops. vibrates on column shroud.
8. Lift up or press down on steering Replace horn roller if noise stops. wheel while noise continues to check horn roller.
9. If noises continue, refer to "Underhood" section.
Speedometer Cable
01 Cable Touches Diverter Hose
02 Connector - Air Cleaner
03 Cable Touches Shift Cable (Auto)
04 Cable to Cluster (Omni, Horizon,
Turismo, Charger, Rampage, and Scamp)
Cluster Bezels
16 Screws - Loose/Missing
17 Clips
11 Broken
67 Squeaks
Cluster
08 Voltage Limiter 09 Low Fuel Relay 10 Loose Parts/Screws
Steering Column
20 Wiper Knob or Arm 21 Speed Control Switches 22 Loose Wiring 23 Horn Roller 24 Shaft/Bearings 25 Column Shroud and Bezels (Omni, Horizon, Turismo, Charger, Rampage, and Scamp)
POLICY: Information only