maXpeedingrods NO79UN

maXpeedingrods 2" Lift Kit for Jeep Grand Cherokee WJ 4WD (1999-2004) Instruction Manual

Model: NO79UN

1. Ifihan

This manual provides detailed instructions for the installation, operation, and maintenance of the maXpeedingrods 2-inch Suspension Lift Kit with Shocks, G1 Version, for Jeep Grand Cherokee WJ 4WD models manufactured between 1999 and 2004. Please read this manual thoroughly before beginning installation to ensure proper procedure and safety.

2. Alaye Aabo

WARNING: Improper installation or use of this product can lead to serious injury or death. Professional installation is highly recommended.

  • Nigbagbogbo wọ ohun elo aabo ti ara ẹni ti o yẹ, pẹlu awọn gilaasi aabo ati awọn ibọwọ.
  • Ensure the vehicle is securely supported on jack stands on a level surface before working underneath. Never rely solely on a jack.
  • Ge asopọ batiri ọkọ ṣaaju ki o to bẹrẹ iṣẹ itanna eyikeyi.
  • Use proper tools for each step. Do not use damaged or incorrect tools.
  • Follow all torque specifications provided by the vehicle manufacturer and any additional specifications for this kit.
  • After installation, have the vehicle's alignment checked and adjusted by a qualified technician.

3. Ibamu

This 2-inch suspension lift kit is specifically designed for:

  • Ṣe: Jeep
  • Awoṣe: Grand Cherokee 4WD
  • Awọn ọdun: 1999-2004

Awọn akọsilẹ ibamu pataki:

  • NOT compatible with models equipped with Quadra-Trac I, Quadra-Trac II, or Quadra-Drive systems.
  • NOT compatible with models equipped with a rzeppa joint front driveshaft.
Compatibility table for Jeep Grand Cherokee WJ 4WD 1999-2004

Image: Compatibility details for the lift kit, showing applicable Jeep Grand Cherokee WJ models and years, along with exclusion notes.

4. What's In The Box

Rí i dájú pé gbogbo àwọn èròjà tí a kọ sí ìsàlẹ̀ yìí wà níbẹ̀ tí wọn kò sì bàjẹ́ kí o tó bẹ̀rẹ̀ sí í fi sori ẹ̀rọ:

  • Front Coil Spring Spacers (2)
  • Rear Coil Spring Spacers (2)
  • Shocks (4)
  • Associated hardware (bolts, nuts, washers)
Contents of the maXpeedingrods 2 inch lift kit

Image: All components included in the maXpeedingrods 2-inch lift kit, including front and rear coil spring spacers, shocks, and mounting hardware.

5. Eto ati fifi sori Itọsọna

This section outlines the general steps for installing the maXpeedingrods 2-inch lift kit. Specific torque values and detailed disassembly/reassembly procedures for your vehicle should be referenced from your Jeep Grand Cherokee WJ service manual.

5.1. Pre-Fifi Igbesẹ

  1. Park the vehicle on a flat, level surface.
  2. Engage the parking brake and place wheel chocks behind the rear wheels (when working on the front) or in front of the front wheels (when working on the rear).
  3. Loosen the lug nuts on all wheels.
  4. Safely lift the vehicle using a hydraulic jack and support it securely with jack stands under the frame rails. Ensure the vehicle is stable.
  5. Yọ awọn kẹkẹ.

5.2. Front Suspension Installation

  1. Ge asopọ awọn ẹya ara ẹrọ kuro: Disconnect the sway bar end links, brake line brackets, and ABS sensor wires from the axle to allow for maximum suspension droop.
  2. Remove Shocks: Unbolt the upper and lower shock mounts and remove the factory front shocks.
  3. Remove Coil Springs: Carefully lower the axle to allow the coil springs to be removed. Use a spring compressor if necessary, but often the springs can be removed by fully extending the suspension.
  4. Install Front Spacers: Place the front coil spring spacers on top of the coil springs or on the upper spring perch, depending on the design. Ensure they are seated correctly.
  5. Install New Coil Springs (if applicable) and Shocks: Reinstall the factory coil springs (or new springs if part of a different kit) and install the new maXpeedingrods front shocks. Secure the upper and lower shock mounts, hand-tightening initially.
  6. Ṣe atunto: Reconnect the sway bar end links, brake line brackets, and ABS sensor wires.

5.3. Rear Suspension Installation

  1. Ge asopọ awọn ẹya ara ẹrọ kuro: Disconnect the sway bar end links, brake line brackets, and ABS sensor wires from the axle.
  2. Remove Shocks: Unbolt the upper and lower shock mounts and remove the factory rear shocks.
  3. Remove Coil Springs: Carefully lower the axle to allow the coil springs to be removed. Note: Some users report needing to trim the factory upper rear spring mount for proper fitment of aftermarket components. Inspect and trim if necessary.
  4. Install Rear Spacers: Place the rear coil spring spacers on top of the coil springs or on the upper spring perch, ensuring correct seating.
  5. Install New Coil Springs (if applicable) and Shocks: Reinstall the factory coil springs (or new springs) and install the new maXpeedingrods rear shocks. Secure the upper and lower shock mounts, hand-tightening initially.
  6. Ṣe atunto: Reconnect the sway bar end links, brake line brackets, and ABS sensor wires.

5.4. Post-Installation Steps

  1. Fi sori ẹrọ Awọn kẹkẹ: Reinstall all wheels and hand-tighten the lug nuts.
  2. Ọkọ kekere: Farabalẹ sọ ọkọ naa silẹ si ilẹ.
  3. Torque ipari: With the vehicle on the ground, fully tighten all lug nuts to the manufacturer's specifications. Torque all suspension bolts (shocks, control arms, sway bar links) to the vehicle manufacturer's specifications.
  4. Iṣatunṣe: Drive the vehicle a short distance to allow the suspension to settle. Then, have a professional alignment shop perform a full wheel alignment. This is critical for proper handling and tire wear.
  5. Ṣayẹwo Awọn imukuro: Verify adequate clearance for all suspension components, brake lines, and driveshafts, especially during full suspension travel.
Before and after illustration of a 2 inch front and rear lift

Image: Visual comparison of a vehicle's ride height before and after installing a 2-inch front and rear lift kit.

6. Operation Considerations

After installing a lift kit, the vehicle's handling characteristics will change. It is important to be aware of these changes:

  • Ile-iṣẹ ti Walẹ: The vehicle's center of gravity will be higher, which can affect stability, especially during cornering or sudden maneuvers. Drive cautiously until you are accustomed to the new handling.
  • Braking: Braking performance may feel different. Allow for increased stopping distances.
  • Iṣe Ti Opopona: The increased ground clearance can improve off-road capability, but always exercise caution and drive within the vehicle's and your own limits.
  • Iwon Taya: The lift kit allows for larger tire fitment. Ensure any new tires are properly balanced and do not rub against suspension or body components during full steering lock or suspension travel.

7. Itọju

Regular inspection and maintenance are crucial for the longevity and safe operation of your lift kit and vehicle.

  • Initial Check (500 miles): After approximately 500 miles of driving, re-torque all suspension fasteners to ensure they remain tight.
  • Awọn iṣayẹwo deede: Periodically inspect all suspension components, including shocks, spacers, bolts, and bushings, for wear, damage, or looseness.
  • Mimọ: Keep suspension components clean, especially after off-road use, to prevent corrosion and premature wear.
  • Shock Inspection: Check shocks for leaks or damage. The shocks feature a sealed dust cover to protect from pollutants and a powder-coated surface for anti-corrosion. Rubber bushings are designed to reduce vibration.
Alaye view of a maXpeedingrods premium shock absorber

Aworan: Isunmọ view of a maXpeedingrods shock, highlighting features like the sealed dust cover, powder-coated surface, and rubber bushings.

Internal structure of a maXpeedingrods twin-tube shock

Image: Cutaway view illustrating the twin-tube shock structure, including the 18mm chromed hardened piston rod, 35mm diameter sintered iron piston, and 54mm shock body.

Durable carbon steel spacers for the lift kit

Aworan: Alaye view of the durable spacers, noting their high-strength carbon steel construction, anti-corrosion surface, and precision cutting and welding.

8. Laasigbotitusita

This section addresses common issues that may arise after installing a lift kit.

IsoroOwun to le FaOjutu
Uneven ride heightImproper seating of spacers/springs; incorrect component installation.Re-check installation of all spacers and springs. Ensure they are seated correctly. Verify correct components are on the correct side (front/rear).
Vibrations or unusual noisesLoose fasteners; driveshaft angle issues; component rubbing.Re-torque all suspension fasteners. Inspect driveshaft angles; a transfer case drop or adjustable control arms may be needed for severe angles. Check for any components rubbing.
Poor handling or steeringIncorrect alignment; loose steering components.Have a professional alignment performed. Inspect steering linkage for looseness or damage.
Shocks bottoming out or feeling too stiff/softIncorrect shock application; damaged shocks.Verify correct shock part numbers for your application. Inspect shocks for damage or leaks.

9. Awọn pato

Ẹya ara ẹrọẸ̀kúnrẹ́rẹ́
Awoṣe ọjaNO79UN
Ohun eloJeep Grand Cherokee WJ 4WD (1999-2004)
Gbe Giga2 inches (Front & Rear)
Material (Spacers)High-strength Alloy Steel
mọnamọna IruTwin-Tube, Nitrogen Charged
Shock Piston Rod18mm Chromed Hardened
Shock Piston Diameter35mm Sintered Iron
Shock Body Diameter54mm
Front Shock Extended Length697mm (27.44")
Front Shock Compressed Length450mm (17.72")
Rear Shock Extended Length615mm (24.21")
Rear Shock Compressed Length400mm (15.75")
Iwọn Nkan42.4 iwon
Ọja Mefa26.02 x 9.37 x 7.95 inches
Shock travel range specifications for front and rear shocks

Image: Diagram showing the extended and compressed lengths, and travel range for both front and rear shocks.

10. Atilẹyin ọja ati Support

maXpeedingrods is committed to providing high-quality products. This product is supported by a policy for free returns and exchanges within three months of purchase. For further information, technical assistance, or warranty claims, please contact maXpeedingrods customer support through the retailer's platform or the official maXpeedingrods webojula.

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