The increase in the wheelbase of the VAZ-2131 by 500 mm led to the need to increase by 500 mm, respectively, the front floor 21 (pic. 9-56), roof panel, which consists of three parts 5, 6 and 8 (pic. 9-55), the introduction of new exterior body elements, such as: front 15, middle 14 and rear 11 sidewall panels; front 5 (pic. 9-56) and rear 7 outer roof connectors.
Pic. 9-55. External elements of the car body VAZ-2131:
1 - radiator lining panel; 2 - connector; 3 - rack; 4 - wind window frame panel; 5 - front roof panel; 6 - middle panel; 7 - roof reinforcement; 8 - rear roof panel; 9 - rear panel amplifier; 10 - corner panel; 11 - rear panel of the sidewall; 12 - back panel; 13 - filler hatch frame; 14 - middle side panel; 15 - front wing.
Pic. 9-56. Internal elements of the car body VAZ-2131:
1 - plates; 2 - amplifier; 3 - sidewall reinforcement; 4 - front inner roof connector; 5 - front outer roof connector; 6 - middle inner roof connector; 7 - rear outer roof connector; 8 - rear inner roof connector; 9 - inner side panel; 10 - rear rack; 11 - arch; 12 - lining of the rear pillar; 13 - rear pillar amplifier; 14 - lining of the middle rack; 15 - amplifier middle rack; 16 - lower lining of the sidewall; 17 - brackets; 18 - floor cross member under the front seat; 19 - spring support; 20 - rear panel of the floor; 21 - front floor panel; 22 - floor cross member; 23 - hand brake bracket amplifier; 24 - floor reinforcement.
Such internal body elements have been replaced, such as: front 4, middle 6 and rear 8 internal roof connectors; amplifiers 15 and 13 and pads 14 and 12 of the middle and rear pillars; bottom lining 16 of the sidewall.
The rigidity of the body is provided by amplifiers and overlays; additionally introduced floor amplifier 24 and amplifier 23 of the handbrake bracket.
Dismantling the back door. Pry off trim 3 with a flat screwdriver (pic. 9-58) inside door handle 4 and remove the lining. Take out facings 1 (pic. 9-57), unscrew screws 8 and remove handle 7. Unscrew two self-tapping screws and remove pocket 6. Unscrew self-tapping screws 4 and, pressing the lower part of upholstery 2 away from door 3 with a flat screwdriver, remove upholstery together with holders 5.
Pic. 9-57. Removing the upholstery of the rear door:
1 - lining; 2 - rear door upholstery; 3 - back door; 4 - self-tapping screws; 5 - holders; 6 - pocket; 7 - handle; 8 - screws.
Pic. 9-58. The mechanisms of the rear door of the car VAZ-2131:
1 - motor reducer of the door lock; 2 - self-tapping screw; 3 - lining of the inner handle; 4 - inner door handle; 5 - bracket for gearmotor drive; 6 - lock drive bracket; 7 - thrust off the lock; 8 - lock off button; 9 - rear door panel; 10 - door lock rod; 11 - handle gasket; 12 - outer door handle; 13 - door lock; 14 - latch; 15 - a bolt of fastening of a clamp; 16 - lock screw; 17 - thrust of the internal lock.
rear doors (pic. 9-58) have a lock 13, which can be blocked by pressing the lock lock button 8, both with the door open and closed. In this case, the outer handle 12 and the inner handle 4 will idle.
When repairing or replacing door mechanisms, it is necessary to disconnect the electrical connector from the gearmotor 1.