Remove and install locking mechanism for folding rear seat backrest - AR91.12-P-1730GI

MODELS 163.136/154/172 as of 1.9.9 163.113/128/157/174/175 

Fig 1: Identifying Rear Seat Locking Mechanism Components

	Remove/install
1	Remove side covers at rear backrest fitting (5)
2	Detach rear seat backrest release cable (1) at adjuster (2)	Mark adjustment position on the thread. Turn the adjuster counterclockwise until the rear backrest release cable can be unhooked.
3	Unscrew bolts (3) from rear backrest fitting	With 60% rear seat:  Unscrew bolts (3) at the same time in order to prevent the rear backrest fitting from tipping.
			*BA91.12-P-1006-03A
4	Unscrew bolts (4) from rear backrest fitting		*BA91.12-P-1007-03A
		Torx bit set	Figure
5	Remove backrest fitting (5)
6	Install in the reverse order	Installation:  check unlocking function of folding rear backrest.

Rear seats

Number	Designation		Model 163 as of 09/99
BA91.12-P-1006-03A	Bolt from backrest fitting to backrest	Nm	30
BA91.12-P-1007-03A	Screw for backrest fitting on seat frame	Nm	30

Fig 2: Identifying Torx Bit Set (000 589 01 10 00)