Uni-Body, Subframe and Mounting System: Other Mercury Monterey VIII

Front Subframe

The front subframe is bolted to the body and is used to

1. aid in structural support
2. provide mounting surfaces for the front suspension
3. provide mounting points for the front stabilizer bar
4. provide mounting for the engine
5. provide mounting for the steering gear
6. protect the transmission and oil pan from damage

Body Misalignment Check

Note. Remove any components that may be damaged by extreme heat.

Note. All measurements should be made from the bare metal; remove the trim and bumper covers as necessary.

1. Repair the badly damaged areas before taking measurements for underbody alignment.
2. To check the underbody alignment, take the measurements between opposite reference points, such as crease lines or weld joints.
3. Monitor the upper body structure for excessive stress or movement while making any corrections to the underbody structure. Remove the windshield and back glass to prevent breakage. For additional information, refer to «GLASS, FRAMES AND MECHANISMS»(ref-234503) .

Underbody Misalignment Check

1. The dimensions of the underbody must be restored to provide the correct front and rear wheel alignment geometry.
2. Inspect all underbody structural members for cracks, twists or bends. Check all welded connections for cracks. Inspect the support brackets for looseness. Carry out any necessary repairs or install new components as necessary.
3. All the dimensions are measured between the centers of the existing holes in the underbody unless otherwise specified.

Scheme 3

UNDERBODY DIMENSIONS

Scheme 4

1. For additional information, refer to the appropriate component procedures.

Material

ITEM & SPECIFICATION

Scheme 5

Scheme 6

Scheme 7

1. Disconnect the battery. For additional information, refer to «BATTERY, MOUNTING AND CABLES»(ref-234519) .
2. Remove the windshield wiper arms.
3. Remove the push pin-type retainers and the cowl panel grille.
4. Remove the washer hose grommet from the cowl panel and position aside the washer hose.
5. If equipped, remove the A/C air inlet filter.
6. Remove the 9 cowl panel bolts and position aside the cowl panel.
7. Disconnect the windshield wiper motor electrical connector.
8. Remove the cowl panel from the vehicle.
9. Install the special tool.
10. Install the special tool.
11. Remove the front wheel and tire assemblies. For additional information, refer to «WHEELS & TIRES»(ref-234507) .
12. Raise and support the vehicle. For additional information, refer to «JACKING & LIFTING»(ref-234483) .
13. Remove the dual converter Y-pipe. For additional information, refer to «EXHAUST SYSTEM»(ref-234498) .
14. Remove the lower ball joints nuts and bolts. To install, tighten to 90 Nm (66 lb-ft).
15. Remove the stabilizer link nuts. To install, tighten to 90 Nm (66 lb-ft).
16. Remove the engine mount nuts. To install, tighten to 90 Nm (66 lb-ft).
17. Remove the transmission mount nut. To install, tighten to 115 Nm (85 lb-ft).
18. Remove the steering gear nuts. To install, tighten to 175 Nm (129 lb-ft).
19. Position the power steering cooler line aside. Remove the 2 bolts. To install, tighten to 6 Nm (53 lb-in). Release the power steering cooler line locator.
20. Release the front and rear 02 sensor connector locators from the frame.
21. Remove the subframe mount bolts, washers. To install, tighten to 175 Nm (129 lb-ft).
22. Lower the subframe approximately 101.6 mm (4 in) to disconnect the lower ball joint from the steering knuckle.
23. Remove the front subframe.
24. If a new subframe is being installed, transfer components to the new subframe. For additional information refer to «SUBFRAME BUSHINGS»(ref-234527-S22717444582006061000000) .
25. To install, reverse the removal procedure.

ITEM & SPECIFICATION