Diesel Data: Automotive Repair

Symptom/Condition, Parts Required & Repair Procedure

FIGURE 1:




SYMPTOM/CONDITION

Paint peeling off the rear spoiler, due to poor adhesion of the primer to the spoiler.

NOTE: DO NOT ATTEMPT TO REFINISH SPOILERS WITH PEELING PAINT ON VEHICLES BUILT BEFORE MARCH 7, 1986.

PARTS REQUIRED

The part numbers for the new spoiler assembly have not changed. However, they will all be serviced in white only, and must be color coated if car is not white. All painting should be done on new spoilers before installing on vehicle.

1 Rear Left Side Spoiler PN MB406863
1 Rear Right Side Spoiler PN MB406864
1 Rear Center Spoiler PN MB406849

REPAIR PROCEDURE

Replacement of all three rear spoiler sections is the recommended repair for this condition. A normal refinish on the same spoiler may result in the paint peeling again.

1. Rear Spoiler - Center

Removal

a. Disconnect battery.

b. Remove liftgate garnish moulding and remove the air spoiler attaching nuts (behind foil) through the service holes provided in the liftgate window glass (Figure 1).

FIGURE 2:




c. Using an allen wrench, remove the bolts from each end of the air spoiler.

NOTE: CUT THE ALLEN WRENCH (WITH A WIDTH ACROSS THE FLATS OF 5 mm) TO THE DIMENSION SHOWN IN THE ILLUSTRATION (FIGURE 2).

d. Remove the air spoiler from the hatch garnish with a sharp knife to cut the adhesive. (Use care so paint on hatch garnish is not damaged.)

e. Clean remaining adhesive from liftgate garnish.

FIGURE 3:




Installation

Install the new air spoiler in the reverse order of the removal procedure.

2. Rear Air Spoiler - Side

Removal

a. Remove the rear seat cushion.

^ Remove the mounting bolts (Figure 3 - Item 1).

FIGURE 4:




^ Lift up the seat cushion and pull the rear seat belts through the hole in the cushion (Figure 4).

FIGURE 5:




b. Remove the rear seat belt retractors (Figure 5).

FIGURE 6:




c. Pull out rear end clips of the scuff plates from side sills (Figure 6 - Item 3).

FIGURE 7:




d. Remove lower quarter trim panels (Figure 7).

NOTE: COVER THE SCUFF PLATE WITH TAPE TO PREVENT SCRATCHING THE TRIM DURING SCUFF PLATE REMOVAL.

FIGURE 8:




e. Remove the bolts and remove the wrap round trim by pulling them down and forward (Figure 8 - Item 5).

FIGURE 9:




f. Remove rear center shelf. Pull both front sides of the shelf upward (Figure 9).

FIGURE 10:




g. Fold the trunk floor carpet forward (Figure 10).

FIGURE 11:




h. Remove the rear trim covers (Figure 11).

FIGURE 12:




i. Remove the trunk side trim mounting screws, and then remove the clips with a plastic trim stick. Pull the lower end of the trim toward the center of the vehicle using plastic trim stick (Figure 12).

FIGURE 13:




J. Support the liftgate and disconnect the lower end of the hatch stopper from the wheel house (Figure 13).

FIGURE 14:




k. Remove the rear side shelves (Figure 14).

l. Remove the speaker brackets.

NOTE: IT IS NOT NECESSARY TO DISCONNECT THE SPEAKER LEAD WIRE.

FIGURE 15:




m. Remove the side spoilers (Figure 15).

^ Remove the antenna upper nut on the left side rear spoiler.

^ Remove the side spoiler mounting nuts and clips to remove the side spoilers.

NOTE: BE CAREFUL NOT TO DROP THE NUTS.