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A/T - Revised DTC 26 (Quad Driver) Diagnostic Chart


9226buick03

Bulletin: 90-6E-11

Date: May '90

Ref. No.: 90-123-6E

Corp. Ref. No.: 016516


SUBJECT:
SERVICE MANUAL UPDATE - SECTION 6E3 - DRIVEABILITY AND EMISSIONS REVISED CODE 26 - DIAGNOSTICS FACING PAGES AND CHARTS

MODELS AFFECTED:
1990 CENTURY WITH 3300 (VIN CODE N) 3T40 (125C) TRANSMISSION 4T60 (44OT4) TRANSMISSION


This bulletin serves to update Code 26 (Pages 3 of 3) charts and facing pages in Section 6E3-A "Driveability and Emissions" for the 1990 Century models with 3300 (VIN Code N) and 3T40 (125C) or 4T60 (440T4) transmission.

The diagnostic procedures for vehicles equipped with a 3T40 (125C) or a 4T60 (440T4) transmission are the same except for the 2nd gear switch, which is applicable to the 3T40 (125C) transmission only.

The revised diagnostic charts and facing pages have been reduced from four (4) pages previously, to three (3) pages.








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