M/T - Neutral Or Overrun Gear Rattle Noise
85chevy12Subject: NEUTRAL OR OVERRUN GEAR RATTLE WITH 2.5L ENGINE AND 5-SPEED TRANSMISSION
Model and Year: 1984-85 CAMARO
Number: 85-123
Section: 7C
Date: SEPT.,1895
TO: ALL CHEVROLET DEALERS
Some 1984-85 Camaros with 2.5L engines and 5-speed manual transmissions may exhibit one of two different gear rattle noise conditions which can be described as follows:
CONDITION # 1 (1984 OR 1985 MODELS):
^ Neutral Gear Rattle - transmission gear rattle noise experienced with the shift lever in the neutral position and the clutch engaged.
CONDITION # 2 (1985 MODEL ONLY):
^ Overrun Gear Rattle - transmission gear rattle noise experienced during deceleration (overrun) in either 2nd, 3rd, or 4th gears with the clutch engaged.
Condition # 1 can be corrected as follows:
1. Set idle speed to specification.
2. Replace the following parts:
Clutch Pressure Plate Assembly P/N 14091979
Clutch Driven Disc P/N 14091980
NOTICE: Due to changes in the 1985 clutch assembly, 1985 vehicles will only require changing the clutch driven disc (P/N 14091980) to correct the condition.
Condition # 2 can be corrected by replacing the following parts:
Clutch Driven Disc (Camaro) P/N 14091980
Use applicable labor time and operation number.