Wiper (Rear) - Partial Wash/Wipe Pattern

91chevy07

Number: 91-205-8E


Section: 8E


Date: February 1991


Corporate Bulletin No.: 031061R


Subject: REAR WIPER SYSTEMS, PARTIAL WIPE AND WASH PATTERN


Model and Year: 1990-91 U-VANS (APV)


THIS BULLETIN CANCELS AND SUPERSEDES DEALER SERVICE BULLETIN NO. 91-166-8E, DATED JANUARY 1991. THE LABOR TIME OPERATION NUMBER HAS BEEN CORRECTED. ALL COPIES OF 91-166-8E SHOULD BE DISCARDED.


Application: 1990 and 1991 (Prior to V.I.N. Breakpoints)

Chevrolet - MT110232

Oldsmobile - MT301961

Pontiac - MT205152
Conditions:

1. Partial wipe pattern at top of rear glass. (new blade available).


2. Washer pattern either too high / too low. (New arm and nozzle available) Original arm has nozzle located approximately 1-1/4" from blade attachment. New arm has nozzle located approximately 2-1/4" from blade aftachment.


3. Delay of washer fluid applied to glass after pushing button. (New check valve available). This item absent from early 1990 vehicles only. If check valve is present, check for hose kinks or check arm/nozzle for latest type.

Corrections:

Figure 1:

1. Replace wiper blade with new blade, P/N 22110869.


- Make sure that the larger bow on the wiper blade is positioned outboard on the wiper arm (See Figure 1).

- The blade may have a blue cap at the arm attachment area which should be pointed upward when installing to arm.

Parts are currently available from GMSPO.


2. Replace wiper arm with new wiper arm, P/N 22109914*.

Figure 2:

- New arm has improved tension and relocated washer nozzle (See Figure 2).


a. Remove grommet from door panel and pull hose out approximately 6".


b. Secure hose at door side and cut hose approximately 3" forward of grommet.


c. Remove arm and blade from spindle and either transfer blade to new arm or install new blade (see item no. 1 above).


d. Cut hose on new arm approximately 3" forward of grommet and install new arm on spindle.


e. Splice hoses together using P/N 14047034* connector (or equivalent) and reposition grommet to door.

Figure 3:

3. Add new check valve to washer system at washer bottle (See Figure 3).


a. Cut hose approximate 1-1/2" from rear washer pump on washer bottle and splice hoses together with check valve, P/N 22102027* (note flow direction indicated by arrow on valve).* Parts are currently available from GMSPO.

Labor Operation and Time Allowance:

Blade (Only) N 3616
Arm (Only) N 3621
Valve T 1670 .2 Hours
Blade and Arm T 1639 .2 Hours

Trouble Code for T Operation: 92

Use applicable Labor Time Guide for N Operation labor times.