Vacuum check valve. Vacuum reservoir

Vacuum check valve

(1) Unplug the vacuum supply line connector at the vacuum check valve (Fig. 88).

(2) Note the orientation of the check valve in the vacuum supply line for correct reinstallation.

(3) Unplug the vacuum check valve from the vacuum supply line fittings.

(4) Reverse the removal procedures to install.

Vacuum reservoir

(1) Disconnect and isolate the battery negative cable.

(2) Remove the wiper arms from the wiper pivots.

Refer to Wiper Arm in the Removal and Installation section of Group 8K - Wiper and Washer Systems for the procedures.

Fig. 88 Vacuum Supply

1 - VACUUM CHECK VALVE

2 - CLIP

3 - TO HEATER-AC CONTROLS

4 - VACUUM SUPPLY LINE

5 - TO SPEED CONTROL SERVO

6 - GROMMET

(3) Remove the weatherstrip along the front edge of the cowl plenum cover/grille panel and the cowl plenum panel (Fig. 89).

Fig. 89 Cowl Plenum Cover/Grille Panel Weatherstrip

1 - COWL GRILLE

2 - WEATHERSTRIP

(4) Remove the four plastic nuts that secure the cowl plenum cover/grille panel to the studs on the cowl top panel near the base of the windshield (Fig.

90).

(5) Remove the one plastic rivet that secures the front corner on each side of the cowl plenum cover/ grille panel to the cowl plenum panel.

(6) Remove the one plastic push-in retainer that secures the rear corner on each side of the cowl plenum cover/grille panel to the windshield reveal molding.

(7) Unsnap the slotted center hole on each side of the cowl plenum cover/grille panel from the adhesivebacked snap fastener. (If equipped: This feature may not be on all models).

(8) Lift the cowl plenum cover/grille panel from the cowl top far enough to access the windshield washer nozzle and vacuum plumbing near the right end of the cowl plenum.

(9) Disconnect the windshield washer supply hose at the in-line connector.

(10) Disconnect the vacuum supply hose from the vacuum reservoir, which is secured to the underside of the right end of the cowl plenum cover/grille panel (Fig. 91).

Fig. 90 Cowl Plenum Cover/Grille Panel Remove/Install

1 - IN-LINE WASHER SUPPLY HOSE CONNECTOR

2 - STUD

3 - PUSH-IN PLASTIC RETAINER

4 - PLASTIC NUT

5 - COWL PLENUM COVER/GRILLE PANEL

6 - PLASTIC RIVET

7 - ADHESIVE-BACKED SNAP FASTENER

Fig. 91 Vacuum Reservoir

1 - VACUUM SUPPLY CONNECTOR

2 - COWL PLENUM COVER/GRILLE PANEL

3 - VACUUM RESERVOIR

4 - SCREWS

(11) Remove the cowl plenum cover/grille panel from the vehicle.

(12) Remove the three screws that secure the vacuum reservoir to the underside of the cowl plenum cover/grille panel.

(13) Remove the vacuum reservoir from the cowl plenum cover/grille panel.

(14) Reverse the removal procedures to install.

Tighten the vacuum reservoir mounting screws to 2.2 N*m (20 in. lbs.).