1957 Buick Rear Quarter (Series 50-70)

CAUTION: Do not operate regulator motor after window assembly is disengaged from regulator. Operation of the motor with load removed may damage the unit.

1957 Buick Rear Quarter Window Adjustment (Models 56R-76R)

1. Remove 1957 Buick rear quarter arm rest and trim assembly.
2. To adjust rear quarter window “fore or aft”: loosen front and rear guide attaching screws and studs; adjust 1957 Buick rear quarter window as desired and tighten guide attaching screws and studs.
3. To adjust rear quarter window “in or out” at lock pillar: loosen front guide upper attaching nuts, turn adjusting stud in or out as desired and tighten attaching nuts.
4. To adjust rear quarter window “up” travel: loosen “up” stop attaching screw, adjust stop as desired and tighten attaching screw.
5. Remove access hole cover. To adjust rear quarter window “down” travel, loosen down stop attaching screw at lower area of front guide; adjust down stop as desired, and tighten attaching screw. Figure 13-222.

Removal and Installation of 1957 Buick Rear Quarter Window (Convertibles)

1. Remove rear seat cushion and seat back, and lower folding top.
2. Regulate window to half-down position. Disconnect battery positive cable to prevent accidental operation of quarter window.
3. Remove 1957 Buick rear quarter belt finishing molding, folding top compartment side trim panel, and inside handle on manual styles.
4. Swing quarter trim panel from quarter inner panel to gain access to pivot bolt and remove pivot bolt.
5. Remove access hole cover.
6. Disengage window male hinge from female hinge plate by lifting front of window. Then raise window to disconnect lower sash channel cam from window regulator and remove window.
7. To install, reverse removal procedure.

CAUTION: Do not operate regulator motor after window is disengaged from regulator.

Operation of motor with load removed may damage unit. Figure 13-223.

1957 Buick Rear Quarter Window Adjustment (Convertibles)

1. Remove folding top compartment side trim panel and turn trim panel away from inner panel to gain access to pivot bolt and adjusting studs.
2. To adjust 1957 Buick rear quarter window “up or down” or “fore or aft”, loosen pivot bolt and adjusting stud nuts. Position window where desired and tighten pivot bolt and adjusting stud nuts.
3. To adjust top of quarter window “in or out” when raised: loosen pivot bolt and adjusting nuts; turn lower adjusting stud in or out until the desired adjustment is attained; and tighten bolt and nuts.
4. To adjust rear of quarter window “in or out” when lowered: loosen pivot bolt and adjusting nuts; turn rear adjusting stud in or out until the desired adjustment is attained; and tighten bolt and nuts.
5. To adjust quarter window “up” travel loosen up stop attaching screws; move stop up or down as desired; and tighten stop attaching screws.

In connection with preceding adjustments, it may be necessary to adjust rear quarter window guide. To adjust guide: loosen guide upper, center and /or lower attachments; adjust guide to desired location and tighten guide attachments. Figure 13-223.

Removal and Installation of 1957 Buick Rear Quarter Window Regulator (Models 56R-76R)

1. Remove 1957 Buick rear quarter arm rest and trim assembly.
2. Remove access hole cover.
3. To remove electric regulators, disconnect motor leads from wire harness. Remove regulator attaching screws, disconnect regulator from lower sash channel cam and remove regulator through access hole.
4. To remove manual regulators, remove quarter window and loosen front guide at upper attachment. Remove regulator attaching screws and remove regulator through access hole.
5. To install, reverse removal procedure. Figure 13-222.

NOTE: The procedure for removing the electric motor from the quarter window regulator is the same as outlined for the front door window electric regulator.

Removal and Installation of 1957 Buick Rear Quarter Window Regulator (Convertibles)

1. Remove 1957 Buick rear quarter window.
2. Disconnect motor leads from wire harness.
3. Remove regulator attaching screws and remove regulator through access hole.
4. To install, reverse removal procedure. Figure 13-223.

NOTE: The procedure for removing the electric motor from the 1957 Buick rear quarter window regulator is the same as outlined for the front door window regulators.

Removal and Installation of 1957 Buick Rear Quarter Window Front Guide (Models 56R-76R)

1. Remove 1957 Buick rear quarter window.
2. Remove rear quarter window front guide upper attaching nuts and lower attaching screws and carefully remove front guide from body through access hole.
3. To install, reverse removal procedure. Figure 13-222.

Removal and Installation of 1957 Buick Rear Quarter Window Rear Guide (Models 56R-76R)

1. Remove rear quarter arm rest and trim assembly.
2. Remove access hole cover.
3. With 1957 Buick rear quarter window in full up position, remove rear quarter window rear guide attaching screws and remove rear guide.
4. To install, reverse removal procedure. Figure 13-222.

Removal and Installation of 1957 Buick Rear Quarter Window Guide (Convertibles)

1. Remove window regulator.
2. Remove guide attaching screws and nuts at upper, center and lower attaching points. Lower guide and remove through access hole.
3. To install, reverse removal procedure. Figure 13-223.

Removal and Installation of 1957 Buick Rear Quarter Window Sealing Strip (Models 56R-76R)

1. Lower 1957 Buick rear quarter window.
2. Remove sealing strip attaching screws.
3. Insert a flat bladed tool between front end of sealing strip and side roof rail. Carefully loosen sealing strip, pull forward and remove from body.
4. To install, reverse removal procedure. Seal quarter window sealing strip by applying 3/16″ diameter ribbon of heavy-bodied sealer to top surface of sealing strip along outboard side of attaching holes prior to installation. At front end, seal is to be diverted inboard along front edge.

1957 Buick Rear Quarter Window Sealing Strip Adjustments (Models 56R-76R)

The 1957 Buick rear quarter window sealing strip attaching holes are over-sized to permit “in and out” and “fore and aft” adjustment. To adjust, loosen attaching screws, and adjust as required; then tighten screws. Figure 13-222.

1957 Buick Rear Quarter Inner Panel Sealing (Models 56R-76R)

Whenever any of the 1957 Buick rear quarter inner panel seals are disturbed during service repair operations, it is very important that the affected areas be re-sealed properly before installation of trim parts.

When following the procedure, refer to Figure 13-224 in which the areas to be sealed are numbered to conform to the numbered steps in the procedure.

1. Apply waterproof body tape over window upper stop access hole.
2. On manual window styles, apply waterproof body tape over power window wiring hole.

On power window styles, apply medium bodied sealer around grommet and wire to seal joints between grommet and inner panel and between wire and grommet.

3. Apply body caulking compound to seal manual window regulator attaching holes.
4. Apply body caulking compound to seal power window regulator attaching holes.
5. Apply body caulking compound to seal window guide front and rear attaching slots.
6. Apply body caulking compound to seal window rear guide attaching slots.
7. On manual window styles, apply weatherstrip cement over exposed surface of regulator spindle hole sealing washer. This seal is required to seal pores of sponge rubber and joint between inner panel and washer.

On power window styles, apply waterproof body tape over manual window regulator spindle hole as shown.

8. After assembly of access hole cover, apply medium-bodied sealer completely around joint of cover and inner panel to create watertight seal.
9. Apply waterproof body tape over welding access hole in rear quarter upper inner side panel.

1957 Buick Rear Quarter Inner Panel Sealing (Convertibles}

When following the procedure, refer to figure 13-225 in which the areas to be sealed are numbered to conform to the numbered steps in the procedure.

1. Apply medium bodied sealer to seal window regulator attaching holes.
2. Apply body caulking compound to seal 1957 Buick rear quarter window upper stop attaching holes.
3. Apply medium-bodied sealer around grommet and wire at grommet to create seal between grommet and inner panel and between grommet and wire.
4. Apply body caulking compound to seal rear quarter window guide attaching holes.
5. Apply medium-bodied sealer to joint at top and sides of access hole cover to seal cover to inner panel.
6. Apply body caulking compound to seal offsets at lower corners of access hole cover as indicated.
7. Apply body caulking compound over cigar lighter wiring clip attaching hole.
8. Use weatherstrip cement to cement rear belt rail trim stick fillers to body. Seal around trim stick attaching holes with cement before installing fillers.
9. Prior to installation of trim stick support assembly, apply body caulking compound over attaching holes in gutter.
10. Apply body caulking compound to seal around window guide upper attaching holes.

 

SECTION 13-M 1957 BUICK HEADLINING AND SEATS (SERIES 50-70)

13-36 1957 BUICK HEADLINING (SERIES 50-70)

The 1957 Buick headlining in Series 50-70 bodies is serviced the same as the headlining in Series 40-60 bodies. For removal and installation procedures, see paragraph 13-12 for all series bodies.

 

13-37 1957 BUICK SEATS (SERIES 50-70)

1957 Buick Front Seat

Several new design changes have been incorporated in the 1957 Buick front seat assembly, some of which require new service procedures. All “70” Series have a one-piece seat back panel assembly. Seat back robe cords and ash tray and lighter assemblies are new. The power operated horizontal and power operated six-way seat adjusters are new in design and require new service procedures.

Removal and Installation of 1957 Buick Front Seat Control Switch (Power Seats)

1. Remove two screws securing switch and escutcheon assembly to seat side panel. Disconnect switch control harness block from terminals of switch and remove switch and escutcheon assembly from seat.
2. Through holes in sides of switch escutcheon, depress tabs of clips and remove clips securing switch to escutcheon.
3. Remove switch from escutcheon. Component parts of switch and escutcheon assembly for six-way seat adjusters are shown in figure 13-226.
4. To install front seat control switch, reverse removal procedure. Assemble parts of the six-way seat control switch in the order, shown in figure 13-226. Install clips so that tab of each clip engages hole in escutcheon.

Removal and Installation of 1957 Buick Front Seat Side Panels

1. If removing left side panel on seats with manual seat adjusters, remove control knob.
2. Remove panel attaching screws at front and rear of panel. Disengage panel from front and center supports.
3. If removing left side panel on seats with power operated horizontal or six-way seat adjusters disconnect control harness switch block from terminals of switch.
4. To install front seat side panel, reverse removal procedure.

Removal and Installation of 1957 Buick Front Seat Back Robe Cord (Model 73)

1. Remove robe cord escutcheon attaching screws at both ends of robe cord.
2. At right side of robe cord move wire loop downward and remove through slot in robe cord support. At left side of robe cord move wire loop upward and remove through slot in robe cord support. See figure 13-227.
3. To install robe cord, reverse removal procedure.

Removal and Installation of Front Seat Back Ash Tray and Lighter Assembly (Four-Door Models)

1. Raise ash tray cover. Remove two screws securing ash tray to seat back frame.
2. Detach ash tray from seat back frame and disconnect lighter feed wire and ground wire from lighter.
3. To install ash tray and lighter assembly, reverse removal procedure.

Removal and Installation of 1957 Buick Front Seat Back of Back Panel and/or Robe Cord (Two-Door Models)

1. Remove robe cord escutcheon attaching screws at both ends of robe cord.
2. At right side of right seat back move wire loop of robe cord downward and remove through slot in robe cord support. At left side of left seat back move wire loop of robe cord upward and remove through slot in robe cord support. See figure 13-227.
3. Remove seat back of back panel attaching screws. Lift panel upward to disengage from supports at top of seat back frame, then remove panel from seat back.
4. Remove screw securing inboard end of robe cord and remove robe cord from seat back.
5. To install front seat back of back panel and/or robe cord, reverse removal procedure.

1957 Buick Front Seat Back of Back Panel (Series 70 Only)

1. Remove 1957 Buick seat side panels and remove ash tray and lighter assembly where present.
2. Remove robe cord, See “ROBE CORD – Removal and Installation.”
3. Remove back of back panel attaching screws, figure 13-228A.
4. Remove seat side panel extension attaching screws, then disengage side panel extensions sufficiently to remove back of back panel attaching screw located under side panel extensions, figure 13-228A.
5. Lift panel upward to disengage from supports at top of seat back frame, then remove panel from seat back.
6. To install seat back of back panel, reverse removal procedure.

Removal and Installation of 1957 Buick Front Seat Back (Two-Door Models)

1. Remove front seat side panels.
2. Remove retainer and washer from seat cushion frame hinge pin.
3. With the opposite seat back tilted forward, pull seat back towards outside of body sufficiently to disengage outer support arm from hinge pin.
4. Rotate the seat back forward sufficiently to disengage hooked end of center hinge pin from its retainer and remove seat back from body.
5. To install seat back, reverse removal procedure.

Removal and Installation of 1957 Buick Front Seat Back (Model 73)

1. Remove 1957 Buick front seat back of back panel assembly.
2. On seats with seat back lighter, detach lighter feed wire from clips along bottom of seat cushion frame.
3. Remove four seat back-to-seat bottom frame attaching bolts from each side of seat back and Remove Back Assembly.
4. To install seat back assembly, reverse removal procedure.

Removal and Installation of 1957 Buick Rear Seat Back Center Arm Rest (Four-Door Models)

1. Position 1957 Buick rear seat back center arm rest in down position.
2. Pull out extension flap to gain access to two screws securing arm rest anchor plate to shelf panel supports.
3. Remove two securing arm rest anchor plate to shelf panel supports.
4. Remove rear seat back from body.
5. Remove four center arm rest hanger plate attaching bolts and remove arm rest assembly.
6. To install arm rest assembly, reverse removal procedure. Prior to installing seat back assembly into body adjust arm rest assembly so that it fits properly in the opening and operates properly.

Adjustment of 1957 Buick Rear Seat Back Center Arm Rest

To adjust the 1957 Buick rear seat center arm rest assembly up or down in the seat back opening, remove the seat back assembly, loosen the four anchor plate-to-seat frame attaching screws sufficiently to disengage slots in anchor plate from tabs on seat back frame, then adjust assembly as required.

Removal and Installation of 1957 Buick Rear Seat Cushion and Back

1. Remove rear seat cushion by lifting front edge of cushion to disengage tabs from holes in floor pan.
2. On styles with center arm rest position arm rest in down position, pull out extension flip and remove two screws arm rest anchor plate to shelf panel supports.
3. On Rivieras, straighten attaching tabs securing lower end of seat back. On Convertibles remove two screws and washers securing lower end of seat back. Lift seat back upward and remove from body.

Removal and Installation of 1957 Buick Front Seat Including Seat Adjusters

Operate seat midway between extreme forward and rearward positions. Remove seat side panels.

1. Loosen sill plates, turn back floor carpet and remove two seat adjuster to floor pan bolts from rear of each adjuster.
2. On styles with seat back lighter, disconnect lighter wire from feed wire and detach lighter wire from clip on floor pan.
3. Aided by helper pull entire seat assembly rearward to disengage seat adjuster front legs from attaching brackets and remove seat assembly from body.
4. To install, reverse removal procedure.

Removal and Installation of 1957 Buick Front Seat Adjuster

1. Remove seat assembly from body and place upside down on clean surface.
2. Remove adjuster-to-seat bottom frame front and rear attaching bolts.
3. With seat adjuster detached from seat bottom frame, the locking rod can be disengaged from seat adjuster. NOTE: If a new locking rod is installed, remove the slack from rod and its attaching parts by using a suitable tool and gripping rod near right s at adjuster. See figure 13-229. This operation is performed to insure a proper locking and unlocking action of right seat adjuster when operating control handle on left seat adjuster.
4. To install, reverse removal procedure. NOTE: When attaching seat adjuster to seat bottom, be sure that right and left sliding mechanisms are in same relative position.

Adjustment for Additional Rearward Movement of Front Seat

An additional 5/8 inch rearward travel of the front seat assembly can be obtained by bending tab in rear supports to clear lock bar support. To bend tab, remove lower seat side panel and with suitable tool bend tab to a vertical position. Perform same operation on the opposite adjuster.

Adjustment for Additional Rearward Movement of Front Seat (Model 73 Horizontal Power Seats)

An additional 5/8 inch rearward travel of the front seat assembly can be obtained be removing the spring steel stop (clip) on the forward end of the jackscrew. Stop can be removed with plier or similar tool. NOTE: This operation does not necessitate removal of seat assembly.