M/T - Clutch Chatter or Shudder in First or Reverse Gear: Overview

Number: 83-93

Section: 7C (VIIa)

Date: Oct., 1983
Subject: CLUTCH CHATTER FIRST OR REVERSE GEAR - 1982 AND 1983 "S/T" MODELS WITH MANUAL TRANSMISSION AND V6 ENGINES

FIGURE 1 - CROSS SHAFT BRACKET:

TO: ALL CHEVROLET DEALERS


Some 1982 and 1983 "S/T" models equipped with manual transmissions and V6 engines may experience a clutch "chatter" or "shudder" when starting out in first gear or reverse. Units diagnosed as having clutch related "chatter" may be corrected by repositioning the frame mounted cordon shaft bracket, sometimes referred to as the "cross shaft" bracket from the left hand frame rail to the cab toe panel (See figure 1).

FIGURE 1A - BRACKET:

NOTICE: The nature of this revision requires the technicians to form the new P/N 14030840 bracket to conform with the toe pan surface. Special care should be used in Step 5 to ensure a good mating between bracket and toe pan surface. Note the "third" bolt location; it is equally important (See figure 1A).

PARTS INFORMATION


2-WHEEL DRIVE 4-WHEEL DRIVE

QTY. P/N DESCRIPTION QTY. P/N DESCRIPTION

1 14030840 Bracket 1 14030840 Bracket
1 14063015 Large Spacer 1 14063015 Large Spacer
2 11504286 Bolt With Washer 2 11504286 Bolt With Washer
1 14063014 Small Spacer


Standard Hardware for 2-Wheel Drive: One 5/16 inch bolt, 2 1/2 inches long, 280M hardness, fine thread with lock washer and nut.

Standard Hardware for 4-Wheel Drive: One 5/16 inch bolt, 2 inches long, 280M hardness fine-thread with lock washer and nut.