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Reyco Granning IFS1700S - User Manual

Reyco Granning IFS1700S
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Motorhome Suspensions
IFS1700S
Owner’s Manual
Reyco Granning Suspensions
1205 Industrial Park Drive
Mount Vernon, MO 65712
Phone: 417.466.2178
Fax: 833.896.6997
1-800-753-0050
w w w. r e y c o g r a nning . c o m
Revision Date: 9/14
Document #: D711987
Revision: C
| Independent Front Suspension
Service Parts
Maintenance Instructions

Table of Contents

Questions and Answers

  • J
    Jonathan ThompsonAug 18, 2025
    How to fix quick or uneven tire wear on Reyco Granning IFS1700S?
    • Z
      zwangAug 18, 2025
      Quick tire wear or uneven tread on your Reyco Granning Automobile Accessories can stem from several issues. It might be due to incorrect tire pressure, so ensure you inflate your tires to the specified pressure. Other potential causes include imbalanced tires (balance or replace them), incorrect toe-in or ride height (adjust to the specified settings), misaligned rear axle (align to the specified thrust angle), incorrect steering arm geometry (adjust tie rod lengths), or using mismatched tires and wheels (install the correct combination).
  • J
    James DaviesAug 30, 2025
    How to stop excessive rolling in my Reyco Granning IFS1700S Automobile Accessories vehicle?
    • C
      carolynhodgesAug 30, 2025
      Excessive side-to-side rolling in your Reyco Granning Automobile Accessories vehicle can be attributed to several factors. Worn front and/or rear shock absorbers are a common cause, so replace them as needed. Check for loose shock mounting and tighten as required. Inspect the shock eye bushings and sway bar bushings for wear, and replace them if necessary. Also, ensure that the sway bar mounting brackets are properly tightened. Worn control arm pivot bushings can also contribute to this issue, so inspect and replace them as needed. Lastly, check for internal leaks in the height control valve and replace it if required.
  • S
    smithjenniferSep 2, 2025
    Why do the front tires lock up on my Reyco Granning IFS1700S Automobile Accessories?
    • B
      brett34Sep 2, 2025
      If the front tires of your Reyco Granning Automobile Accessories lock up during hard braking, or if the ABS malfunction light stays on, there are a few things to check. Start by inspecting the ABS sensor installation and replace the sensor if necessary. There could be an ABS CPU or system malfunction, so check and repair or replace as required. Also, check the ABS sensor electrical connection and lead wire for any faults. Finally, inspect the tone ring on the hub for damage and replace it if needed.
  • B
    bradley11Sep 5, 2025
    What causes a harsh ride in my Reyco Granning Automobile Accessories vehicle?
    • G
      gonzalezamandaSep 5, 2025
      A harsh ride or excessive suspension contact in your Reyco Granning Automobile Accessories vehicle can stem from several causes. Worn front shock absorbers are a common culprit, so consider replacing them. Ensure that the ride height is set to the specified setting. Overloading the vehicle can also lead to a harsh ride, so check and correct the wheel loads. Inspect the air spring supply lines for leaks or obstructions and address as needed. Verify that the vehicle system air pressure is within specification. Lastly, check the rebound bumper and jounce bumper in the air spring for wear or damage, and replace if necessary.
  • L
    Larry SmithSep 7, 2025
    Why is the ride too soft on my Reyco Granning Automobile Accessories vehicle?
    • C
      Christopher HuffmanSep 7, 2025
      If your Reyco Granning Automobile Accessories vehicle's ride feels too soft, consider these potential causes: worn front shock absorbers (replace as required) or incorrect ride height (adjust to the specified setting).
  • B
    Benjamin FletcherSep 9, 2025
    Why does my Reyco Granning IFS1700S Automobile Accessories vehicle have an unequal turning radius?
    • Q
      qcontrerasSep 9, 2025
      Unequal turning radius in your Reyco Granning Automobile Accessories vehicle can be due to several factors. Incorrect steering arm geometry is a potential cause, so adjust the tie rod lengths as needed. The steering gear might not be centered, so inspect and adjust it. Also, check if the steering gear poppet valves are set incorrectly and adjust the wheel turn angles accordingly. Finally, ensure that the tie rod clamps are positioned properly and adjust their orientation as required.
  • M
    Mark Graves Jr.Sep 12, 2025
    Why won't the suspension on my Reyco Granning IFS1700S Automobile Accessories maintain ride height?
    • A
      Antonio GriffinSep 12, 2025
      If the suspension on your Reyco Granning Automobile Accessories does not maintain ride height, there are several possible causes. An air leak is a common issue, so check connections with a soapy water solution and repair or replace as needed. There could also be an internal leak in the height control valve, so check and replace if required. Additionally, inspect the height control valve linkage for looseness and tighten as necessary. Lastly, check the air spring for chafing or wear and replace it if needed.
  • E
    Erika OneillSep 14, 2025
    What causes noisy brakes on Reyco Granning IFS1700S Automobile Accessories?
    • A
      Amy ChapmanSep 15, 2025
      Noisy brakes on your Reyco Granning Automobile Accessories can be caused by grease, oil, or dirt on the brake pads (replace as required); glazed brake pads (deglaze or replace as required); unbalanced brake pads (replace with a balanced set); loose or broken brake pads (replace as required); a warped brake rotor (re-machine or replace); or a defective brake rotor (inspect for defects and replace).
  • D
    David MccoyNov 20, 2025
    Why is my Reyco Granning IFS1700S Automobile Accessories vehicle difficult to steer?
    • S
      Stephen HamiltonNov 20, 2025
      Difficulty steering your Reyco Granning Automobile Accessories can arise from several factors. Check for improper oversized tires or non-uniform tires, and ensure you install the correct tire and wheel combination. Verify that your tires have the specified air pressure. Inspect the steering arm geometry and adjust the tie rod lengths as needed. Look for any binding in the steering arm assemblies, ball joints, tie rod ends, kingpin, steering column linkage, or steering miter box, and lubricate or repair as required. Also, check for steering gear valve binding (inspect, repair, or replace), steering wheel interference with the column (align or adjust), low power steering fluid level (add fluid, tighten connections), insufficient power steering pump pressure (conduct flow and relief pressure ...
  • C
    chavezmarkNov 22, 2025
    What to do if my Reyco Granning IFS1700S vehicle wanders side-to-side?
    • C
      Christopher CooperNov 22, 2025
      If your Reyco Granning Automobile Accessories vehicle wanders or has loose steering, it could be due to several reasons. The vehicle might be overloaded or unevenly loaded, so check and correct the wheel loads as needed. Improper or mismatched tires and wheels can also cause this issue, so install the correct tire and wheel combination. Ensure the tires have the correct pressure based on the wheel load. Other potential causes include incorrect toe-in or wheel caster settings (adjust to the specified settings), loose tie rod end connections or worn ball studs (inspect and replace if necessary), loose steering arm assembly mounts (tighten to specification), binding or worn steering arm assembly ball joints (inspect and replace if necessary), worn kingpin (check and replace), wheel bearings o...

Summary

Introduction

Service Notes

Details correct service and repair procedures for the suspension.

General Safety Warnings

Important safety instructions for operation and maintenance.

Identification

Suspension Identification Location

Illustrates the location of the serial tag on the suspension.

Model Identification

Lists different suspension models and their specifications.

Vehicle Towing Information

Vehicle Towing Safety Warning

Consequences of improper towing equipment attachment.

Maintenance Schedule

Maintenance Record

Lubrication

Lubricant Specifications and Intervals

Details lubricant types, service intervals, and change intervals.

Lubricant Mixing Caution

Warning about mixing lubricants and oil bath vs. grease.

Wheel Bearings

Wheel Bearing Oil Level Check

Illustration of wheel bearing oil level check.

Wheel Bearing Hub Cap Caution

Warning about handling the red plug on the hub cap.

Troubleshooting

Inspection

General Inspection Procedures

Visual inspection procedures for assembly, fasteners, and wear.

Vehicle Safety Warning

Safety warning about working under a vehicle.

Inspecting Control Arm Bushings

Steps to check for wear in control arm bushings.

Tie Rod Ends Inspection

Tie Rod Inspection Safety Warning

Warning about using leverage for inspection to avoid damage.

Shock Absorber Inspection Procedure

Air Spring & Height Control Valve Inspection

Air Spring Inspection

Steps for inspecting air springs for wear and contact.

Height Control Valve Inspection

Procedures for checking height control valve and linkage.

Relay Rod Ball Joints Inspection

Ball Joint Seal Inspection

Procedure to inspect ball joint seals for oil leakage.

Ball Joint Endplay Inspection

Steps to measure ball joint endplay using a dial indicator.

Wheel Bearing Endplay Inspection

Adjusting Wheel End Play

Wheel End Play Safety & Tool Notes

Warnings and notes on vehicle support and tool usage.

Adjusting Suspension Ride Height

Suspension Ride Height Adjustment Caution

Warning about potential unexpected movement during ride height adjustment.

Adjusting the Maximum Wheel Turn Angle

Maximum Wheel Turn Angle Caution

Warning against exceeding 55° turn angle and potential damage.

Front Wheel Alignment

Front Wheel Alignment Equipment

Requirements for alignment equipment and calibration.

Repairs

Repair General Procedures

Prohibitions and requirements for component repair.

Component Repair Alteration Warning

Warning about bending, welding, or heating components.

Parts Cleaning Safety Warning

Warning about cleaning solvents and potential injury.

Replacing Tie Rod Ends

Tie Rod Ends Removal Procedure

Steps to remove tie rod ends.

Tie Rod Ends Installation Procedure

Steps for installing tie rod ends.

Replacing Wheel Bearings, Oil Seals, and Hub Caps

Wheel Bearing Removal Procedure

Steps to remove wheel bearings, seals, and hub caps.

Wheel Bearing Installation Procedure

Steps to install wheel bearings, seals, and hub caps.

Replacing Brake Components

Brake Rotor Replacement

Guidelines for replacing brake rotors.

Brake Chamber Replacement

Guidelines for replacing brake chambers.

Replacing the ABS Sensor and Tone Ring

ABS Sensor Installation and Testing

Steps to install ABS sensor and check voltage.

Replacing the Shock Absorber

Shock Absorber Removal Procedure

Steps to remove the shock absorber.

Replacing the Air Spring

Air Spring Removal Procedure

Steps to remove the air spring.

Torque Tables

Torque Specifications Table 1

Table of torque specifications for various fasteners.

Torque Specifications Table 2

Table of torque specifications and sequences.

Reyco Granning IFS1700S Specifications

General IconGeneral
BrandReyco Granning
ModelIFS1700S
CategoryAutomobile Accessories
LanguageEnglish