Pic. 137. Rubber body seals:
1, 3 - windshield seals; 2 hood seal; 4 - sealing the groove of the sliding glass; 5 - front door opening seal; 6 - tailgate glass seal; 7 - a sealant of an aperture of a door of a back; 8 - sidewall glass seal; 9 - sealant of the guide groove of the sliding glass; 10 - lower seal of the sliding glass.
The air intake box and the tailgate opening are sealed with rubber seals 2 and 7, which heel on the flanges of the body opening with metal perforated frames.
Seals 5 openings front (and rear for VAZ-2109) doors are made of sponge rubber in the form of a tube, to which a plastic facing edge with a perforated metal frame is welded. The metal framework provides fastening of a sealant on a flange of an aperture of a door. The inner hollow part of the seal is connected to the atmosphere by holes in the sponge rubber, located every 300 mm.
The openings of the wind window, tailgate windows and side windows are sealed with rubber seals 1,3,6 and 8, which have special tongues for reliability.
When removing and installing seals with metal frames, care must be taken to prevent collapse of the frames or ripples on the seals.
Upper seals for front windows (and rear for VAZ-2109) doors, seals 9 guide grooves and lower seals 10 glasses are made of rubber of special profiles; a pile is glued to their sealing surface to reduce the friction forces of the glasses. The pile of the lower seals 10 also prevents the seal from turning and creaking when the windows are lowered. Water that has seeped between the lower seals and the sliding windows flows into the doors, from where it flows out through the drain holes.
Gaps in the joints of body parts are sealed with non-drying mastic 51-G-7, and body welds after priming - with D-4A plastisol, which hardens when the body passes through the drying chambers of the painting line.
For thermal and sound insulation of the body interior, the upper surface of the floors, floor sills, body tunnel and luggage compartment is covered with bituminous sheet gaskets that adhere tightly to the primed surface. The entire front of the cabin (front guard and side panels) also closed with bituminous sheet gaskets.
Plastisol D-11A is applied to the lower surface of the bottom of the body, as well as the front fenders, mudguards, wheel arches, spars and floor crossbars for sound insulation and protection against abrasive wear.
Thermal and sound insulation of the cabin ceiling is carried out using a layer of polyurethane foam in its upholstery.
To avoid noise and knocks when the car is moving, rubber buffers are installed on the body under the fuel hatch cover and under the front part of the hood.
All of these measures provide good sealing and thermal and sound insulation of the body.