Front Coil Spring Inspection Procedure for Knock / Rattle Sound – 2019-2020 Subaru Ascent

NHTSA ID Number: 10203889

Manufacturer Communication Number: 05-71-19R

Summary

This bulletin provides an inspection procedure to follow when addressing customer concerns of a rattling, knocking or klunk type sound when going over slight bumps and / or uneven road surfaces.

 


2020 Subaru Ascent
2020 Subaru Ascent

 


NUMBER: 05-71-19R
DATE: 10/25/19
REVISED: 11/05/21

 

INTRODUCTION:

This bulletin provides an inspection procedure to follow when addressing customer concerns of a rattling, knocking or klunk type sound when going over slight bumps and / or uneven road surfaces.

 

PRODUCTION CHANGE INFORMATION:

New front coil springs were incorporated into production starting with VIN L3406693.

 

PART INFORMATION:

There has been no change to the current front coil spring part number.

REMINDER:  Always order the most up-to-date replacement parts based on the specific VIN being repaired.

The handy reference table below lists all the parts, quantities needed and torque specifications for this repair (per side) as most of the hardware required consists of one-time use items.

Description Qty. Req’d. Per SideLocation:Torque Spec:Part Number
COIL SPRING F1n/a20330XC00A*
20330XC01A**
SELF-LOCKING NUTS:  ALL ARE 1-TIME USE2Strut to Knuckle155 Nm (114.3 Ft. Lbs.)902330007
1Stab. Link to Strut60 Nm (44.3 Ft. lbs.)902370063
Subaru Genuine 902370063 Nut Flange, 1 Pack
  • Genuine OEM
  • High quality
  • Dependability
1Strut Mt. to Strut55 Nm (40.6 Ft. lbs.)902350027
3Strut Mt. to Body32 Nm (23.6 Ft. lbs.)902350029

* Models without moonroof
** Models with moonroof

 

SERVICE PROCEDURE / INFORMATION:

REMINDER:  Customer satisfaction and retention starts with performing quality repairs.

After verifying the customer concern, inspect the front coil springs closely for any contact (witness) marks as shown in the example photos supplied below.  If any contact marks are confirmed, replace the affected coil spring closely following the procedure in the applicable Service Manual.  The current procedures for coil spring replacement are unchanged.

 

The Service Manual procedures contain information critical to performing an effective repair the first time and every time.  This includes but is not limited to: important SAFETY precautions, proper inspection criteria, necessary special tools, required processes and related one-time use parts needed for a complete and lasting repair.

 


2 Affected Products

Vehicle

MAKEMODELYEAR
SUBARUeBay logoASCENT2019-2020

 


1 Associated Document

Manufacturer Communications

NUMBER: 05-71-19R
DATE: 10/25/19
REVISED: 11/05/21

MC-10203889-0001.pdf 1215.76KB

 


NHTSA ID Number: 10171078

Manufacturer Communication Number: 05-71-19R

Summary

This bulletin provides an inspection procedure to follow when addressing customer concerns of a rattling, knocking or klunk type sound when going over slight bumps and/or uneven road surfaces.

 

1 Associated Document

Manufacturer Communications

NUMBER: 05-71-19R
DATE: 10/25/19
REVISED: 01/08/20

MC-10171078-0001.pdf 1207.447KB

 


 

NHTSA ID Number: 10166952

Manufacturer Communication Number: 05-71-19

Summary

This bulletin provides an inspection procedure to follow when addressing customer concerns of a rattling, knocking of klunk type sound when going over slight bumps and/ or uneven road surfaces.

1 Associated Document

Manufacturer Communications

NUMBER: 05-71-19
DATE: 10/25/19

MC-10166952-0001.pdf 1182.603KB

 


 

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BILITOOLS 2-Piece Coil Spring Compressor Tool, Max Load.2645LB
  • Double-Retention Anti-Drop System: This strut spring compressor kit features dual-protection safety with interlocking hook jaws and a secure locking mechanism. Its adjustable safeguard brace prevents accidental spring release under load and ensures parallel operation of removable tool components at all times
  • Premium Material: Our coil spring compressor tool is constructed from 45# carbon steel. The rugged frame minimizes flexing, bending, and warping even under high tension, each pair of the spring compressor tool can withstand a load of up to 2645 lbs (1200 kg)
  • Wide Application: An ideal solution for various vehicles, including trucks under 3 tons and large sedans. Avoid strut compressors with flimsy hooks that cause slippage or safety hazards. Compatible with springs 0–0.8 inches (0–20mm) in diameter. Verify spring size before use
  • Product Information: This heavy-duty spring compressor tool has a wide jaw capacity of 2.7-10.6 inches (70-270 mm) and an adjustable holder suitable for coil diameters of 8.6-12.2 inches (220-310 mm). Fits straight springs only; tapered springs not compatible
  • Easy to Use: The screw compressor securely grips springs by rotating the easy-to-use hex nut. Use a 19mm hex socket or wrench. Always apply grease to threads before use. (Ensure even pressure on both sides — uneven force may cause tool detachment.)
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Powerbuilt Strut Coil Spring Compressor Tool Kit, Compress, Remove and Install Vehicle Strut and Coil Springs Set for Vehicles, Storage Case 648628, Black
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  • SAFE: Designed for the safe and efficient removal and installation of most automotive coil spring suspensions
  • TOUGH: Made to last with Chrome Vanadium Steel arms, precision built to meet or exceed ANSI standards for a lifetime of use
  • COMES IN: Heavy duty blow molded case to keep kit protected and organized
  • EASY TO READ: Includes detailed instruction with usage photos
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VEVOR Strut Spring Compressor Set, Macpherson Strut Spring Compressor Kit, Interchangeable Fork Strut Coil Extractor Remover Tool, with Yellow Protective Sleeve and Carrying Case
  • Experience Power and Versatility: Our strut spring compressor has 9921 lbs/4500 kg load capacity and is perfect for motorcycles, cars, SUVs, and more. The strut spring compressor kit is designed for shock absorber spring removal, including MacPherson strut and conical springs.
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  • Extreme Hardness: Crafted from #45 steel, our fork strut coil extractor tool undergoes heat treatment for superior hardness. The threaded rod's resilience handles extreme pressures, and the yokes are fortified to withstand fractures and bending.
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  • Premium Material: The Macpherson strut spring compressor structure is equipped with heat-treated forcing hooks and hardened center screws, which are very hard, non bending, and have maximum strength and service life.
  • Excellent Design: The spring removal tool adopts a heavy duty threaded rod to achieve large spring contact , quickly providing tremendous support force for your operation. Our McPherson strut spring compressor offers a adjustable range of 10.5inches. The built-in stop pin locks the coil spring in place to safely and easily compress the spring.
  • Tools to Work Together: The strut spring compressor tool can be used with a 3/4 "or 19mm socket and a ratchet to rotate the spindle to compress the strut spring, safely removing the fastening nut securing the socket. The automative strut compressor tool allows manual or electric tools to compress the spring permanently and smoothly on or off the vehicle.
  • Safer & Simple Use: All you need to do is prepare thread lubricant, fully attach the bracket to the spring, tighten the tool, and then remove the strut. A strut spring compressor tool that can be operated by one person, very fast and convenient. This package comes with a high-quality storage box to help store tools safely!
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  • 【Please Caution】 Do not use an impact driver or high-speed pneumatic tools with the spring compressor. Excessive speed may cause uneven stress on the threaded shaft or hooks, increasing the risk of the spring slipping or becoming uncontrolled.
  • 【Complete Automotive Solution】 The weyleity Coil Spring Compressor is the ultimate tool for DIY enthusiasts and professional mechanics. Its versatility allows for quick and easy removal and installation of both straight and curved automotive coil springs, ensuring smooth and efficient repairs.
  • 【Priority on Safety】 We understand that safety is paramount when working with automotive components. Our compressor is designed with built-in detent latches that lock the coil in place, minimizing the risk of accidents and ensuring a stable working environment.
  • 【Premium Quality】 Made from top-grade chrome vanadium steel, this coil spring compressor tool is built to last. Its forged construction and precision engineering ensure it meets high standard for durability, allowing you to get the job done with confidence.
  • 【Precise Compression】 The coil spring compressor is capable of compressing springs up to 3/4" diameter, with a broad spring contact area that provides stable and secure compression. This ensures precise and accurate repairs, saving you time and effort.

 


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