740 L4-2320cc 2.3L SOHC Turbo VIN 87 B230FT (1986)
Seat Heater: Technical Service Bulletins
Seat - Heating Element, Backrest & Cushion Replacement
Group
85
No.
701
Date
April 1989
THIS BULLETIN APPLIES TO THE U.S. AND CANADA REFERENCE: TP31127/1 (ENGLISH); BODY
The new seat heating element is not suitable for 740's or 760's prior to 1988. Some Modification is required to replace the element in earlier models.
Parts Block
For normal output element:
Thermostat P/N 3521779-3
Quantity 1
Replacement of backrest heating element
Remove storage pocket
Remove cushion (remove upholstery rails)
Remove:
- backrest adjuster cover (press out backwards using thin screwdriver)
- backrest adjusting mechanism covers on both sides
- lumbar support adjusting knob and guide
Remove clamps at bottom edge of upholstery
Pull away upholstery slightly and unhook clamps from center attachments at rear of seat.
High-output element (3-position switch):