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A/C - Improving Floor Heat Distribution|Page 5679 > < Defroster/Ventilation Ducts - Glass Splinter Removal
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Air Duct: All Technical Service Bulletins
A/C - Improving Floor Heat Distribution

NUMBER
12

GROUP
87

MODEL
700-900

TITLE

MODIFICATION TO IMPROVE
FLOOR HEAT DISTRIBUTION ON
ACC AND MANUAL A/C VEHICLES
740/760/940

MARKET
US and Canada

DATE
March 1993

THIS BULLETIN SUPERSEDES SB 87-12; DATED 03/88
REFERENCE:
TP 31127/1 (ENGLISH); 09/88; CLIMATE UNITS

Improved heat distribution

To improve floor heat distribution on driver's side, re-route an existing air duct into a new air louver located further into the footwell under the
dashboard. This procedure is for non-SRS and SRS vehicles.

First, check existing air ducts for blockage or leakage, since carpeting can sometimes block the floor ducts, reducing air flow.

Non-SRS vehicles: 740 1985-89, 760 1983-87

Modify the new louver as follows:

Remove:

A/C - Improving Floor Heat Distribution|Page 5679 > < Defroster/Ventilation Ducts - Glass Splinter Removal