DeVille DTS V8-4.6L VIN 9 (2002)
15.
Remove the four nuts that attach the exhaust manifold flange to the catalytic converter. For additional information, refer to the "Exhaust System
Replacement" procedure in the appropriate Service Manual or in SI.
16.
Remove the two bolts that attach the center exhaust hangers to the rear suspension support brackets.
17.
Remove the two nuts that attach the rear exhaust hangers to the rear exhaust hanger brackets.
18.
With the aid of an assistant, remove the exhaust system from the vehicle.
19.
Disconnect the automatic level control link from the LEFT lower control arm, and if equipped, from the RIGHT lower control arm.
20.
On models equipped with continuous variable road sensing suspension, disconnect the 2-way electrical connector at each lower control arm.
Release the three retainers that attach the harness to the lower control arms.
21.
Disconnect the rear wheel speed sensor electrical connectors from the hub assemblies.
22.
If equipped, remove the bolt that attaches the wiring harness and parking brake cable to both lower control arms.
Notice
Do not hang the caliper from the hose in the next step.
23.
Remove the bolts that attach both rear brake calipers and remove the calipers.
Support the caliper to the body as necessary. Do not disconnect the brake hose or hang the caliper from the hose. For additional information, refer
to the "Rear Brake Caliper Replacement" procedure in the appropriate Service Manual or in SI.
24.
Remove the bolts that attach the bottom of each rear shock absorber to the lower control arms.
25.
Disconnect the 7-way electrical connector and separate the wiring harness from the body at the rear of the right wheelhouse.
26.
Using a transmission jack or equivalent, support the rear support or cradle assembly. For additional information, refer to the "Support
Replacement" procedure in the appropriate Service Manual or in SI.
27.
Remove the four bolts [(3) 15 mm hex head and (1) 18 mm hex head] and plate that attach the RIGHT front corner of the rear support to the body.
DO NOT remove the equivalent bolts on the left side.
28.
Remove the two bolts that attach the rear of the support to the body.
29.
Carefully lower the rear support assembly with the transmission jack.
30.
Remove the right rear cool spring.
31.
Disconnect the fuel line connections at the fuel filter. For additional information, refer to the "Quick Connection Fitting(s) Service" procedure in
the appropriate Service Manual or in SI.
32.
Remove the two 13 mm hex head bolts that attach the fuel tank straps to the rear of the vehicle and lower the straps.
33.
With the aid of an assistant, remove the fuel tank out the right side of the vehicle while guiding the fuel lines and fill hose.
Important
Note the alignment of the fuel fill hose on the old fuel tank before removing it in the next step.
34.
Loosen the clamp that attaches the fuel fill hose to the fuel tank and remove the hose.
35.
Install and align the hose on the new fuel tank.
Tighten
Tighten the clamp to 3.5 Nm (31 lb-in).
36.
With the aid of an assistant guiding the vent pipe into the fuel fill hose and routing and fuel lines to the body, install the new fuel tank to the
vehicle.
37.
Position the fuel tank straps and install the bolts.
