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

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.

 

2 Affected Products

Vehicle

MAKE MODEL YEAR
SUBARU ASCENT 2019-2020

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 Side Location: Torque Spec: Part Number
COIL SPRING F 1 n/a 20330XC00A
SELF-LOCKING NUTS:  ALL ARE 1-TIME USE 2 Strut to Knuckle 155 Nm (114.3 Ft. Lbs.) 902330007
1 Stab. Link to Strut 60 Nm (44.3 Ft. lbs.) 902370063
1 Strut Mt. to Strut 55 Nm (40.6 Ft. lbs.) 902350027
3 Strut Mt. to Body 32 Nm (23.6 Ft. lbs.) 902350029

 

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.



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

https://www.nhtsa.gov/recalls?nhtsaId=10166952

https://static.nhtsa.gov/odi/tsbs/2019/MC-10166952-0001.pdf

Download (PDF, 1.13MB)


 

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HFS (R Strut Spring Compressor | 2pc Install Remove Coil Springs Heavy Duty
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Shankly Coil Spring Compressor Tool (2 Pieces - Universal), Spring Compression Tool
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Last update on 2019-11-14 / Affiliate links / Images from Amazon Product Advertising API

Last update on 2019-11-14 / Affiliate links / Images from Amazon Product Advertising API

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