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September 17, 2021 NHTSA CAMPAIGN NUMBER: 21V726000
Brake Rotor Bolts Improperly Tightened
Loose or detached bolts can cause wheel separation, a tire blowout, or brake failure, increasing the risk of a crash.
NHTSA Campaign Number: 21V726
Manufacturer DRV Suites
Components SERVICE BRAKES, HYDRAULIC
Potential Number of Units Affected 77
Summary
DRV Suites (DRV) is recalling certain 2021 Mobile Suites fifth wheel trailers. The brake rotor bolts were improperly tightened, which can cause the bolts to become loose or fall off.
Remedy
Dealers will inspect and tighten the bolts, if necessary, free of charge. Owner notification letters were mailed October 28, 2021. Owners may contact DRV customer service at 1-260-562-3500.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
TITLE: Kodiak Clip Replacement and Rotor Bolt Torque Instructions
Revision Date: 08/23/2021
PURPOSE:
Use recall Code 99.02.11
1. To replace non-hardened caliper retaining clip with hardened clip.
2. To check the torque of the rotor retaining bolts and address any that do not meet the requirement.
MATERIALS:
1) Blue Thread Lock
2) #3 Philips screwdriver
5) Sockets
6) Impact gun or breaker bar
7) Rubber/plastic mallet
8) Towels
9) Appropriate replacement seal
10) Hub or gear puller.
11) Seal Removal Tool
12) Safety equipment including (but not limited to): safety glasses and steel-toed shoes
13) 10-ton jack
14) 10-ton jack stands (2)
15) Replacement 1/4” x 5” long cotter pin
16) Grease, Kendall, L-427 Super Blu #2
STEP BY STEP INSTRUCTIONS.
Safety Note:
Properly support the trailer with jack stands while working on the trailer.
1) Identify unit(s) needing to be inspected based on production dates provided by DRV.No photo
2) Raise and support the trailer.
NOTE: Elevate and support the trailer unit per manufacturers’ instructions.
3) Remove decorative hub cover with a #3 Phillips screwdriver and set aside.
4) Remove the wheel nuts with an impact gun or breaker bar and 15/16” socket and remove the tire and wheel.
a) Set the wheel and wheel nuts aside.
5) Remove the caliper, hold down clips, and cap screws.
a) Socket size is 9/16”
b) Remove the cap screws and discard.
c) Remove the clips and discard.
d) Remove the caliper from the bracket and support/suspend the full weight in a way the brake line is not damaged or twisted.
9) Lubricate bearings and spindles.
a) Prior to installing hub-rotor on spindle, do the following:
i) Repack the inner and outer bearing cone with Kendall grease, L-427 Super Blu #2 or equivalent #2 NLGI grease.
ii) Apply some grease to the spindle bearing journals.
iii) Insert inner bearing cone into back of hub and proceed to step 10 to install seal.
10) Install a new seal using a hammer and a block of wood or flat piece of steel set on top of the seal. If available, the use of a seal installation tool is preferred.
a) As you drive the seal in place, you will “FEEL” and “HEAR” a difference when the seal is set all the way to the inboard seal bore face.
11) Carefully remount the hub-rotor onto the spindle by hand.
Caution: Do not force the hub-rotor onto the spindle. When hub-rotor are properly aligned with spindle, it will install with minimal resistance.
12) Install outer bearing cone, tapered side in.
13) Install 2 flat washers.
14) Install the spindle nut as far as you can by hand while rotating hub-rotor.
15) Tighten spindle nut and set hub end play.
a) While turning hub, tighten spindle nut to 50 ft lbs.
b) Loosen spindle nut, do not move hub, finger tighten spindle nut.
c) Attempt to install a new cotter pin. If you cannot, rotate spindle nut counterclockwise until the slots on the spindle nut line up with the cotter pin hole in spindle.
d) Insert new cotter pin and bend cotter pin legs around spindle.
e) Check that you can rotate the spindle nut “slightly” back and forth.
f) Check rotation of hub, should rotate easily by hand.
16) Install cap by turning clockwise. Ensure plug and O-ring are installed in cap before installation. Do not tighten so much that the O-ring is squeezed out from between the cap and hub.
17) Install caliper.
a) Compress piston in caliper fully.
b) Install inboard brake pad behind rotor and onto caliper bracket.
c) Place caliper back onto caliper bracket fully.
d) Make sure that the brake line is routed as shown to allow full movement of the axle arm.
18) Install new caliper hold down clip and cap screw.
19) Tighten cap screws to 45-50 ft lbs.
20) Remount the tire and wheel.
a) Start the flanged nuts by hand first to prevent from cross threading.
b) The use of a battery powered driver is acceptable to speed the install of the flanged nuts but do not attempt to torque the nuts with it.
c) Do final tightening of the wheel nuts with torque wrench set at 160 ft lbs.
21) Reinstall decorative hub cover and tighten screws with #3 Phillips screwdriver.
Use recall Code 99.02.11
DRV Rotor Bolt issue timeframe
8/9 – notified by Chad Olinger (warranty mgr CRV/DRV) of a possible issue with rotor bolts coming lose
8/12 – Chad, working with Dexter
Axle, provided scope for rotor bolt issue
8/12 – set up meeting with Dexter, MorRyde, and Kodiak (owned by Dexter) for Aug 17.
8/17- Met with Dexter, MorRyde and Kodiak. Came to agreement to look over and do additional testing with DRV Unit. Will meet with Dexter to go over Torguing and testing. Met on 8/20 at DRV in Howe, Indiana to do additional testing.
8/20 – met with dexter service team to do additional test to try and pinpoint issue. Also fix and time study.
8/25 – email with dexter about needing additional information. Dexter is trying to pinpoint when they switched processes in production.
9/7 – email with dexter about needing additional information. Dexter finalizing scope, fix and information.
9/14 – received final information from Dexter axel about scope and fix
9/15 – sent info to safety committee
1 Affected Product
Vehicle
| MAKE | MODEL | YEAR |
| DRV | MOBILE SUITE | 2021 |
8 Associated Documents
Remedy Instructions and TSB
RCRIT-21V726-2334.pdf 2290.774KB
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Recall 573 Report – Amendment 1
RCLRPT-21V726-1650.PDF 215.169KB
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Recall Quarterly Report #1, 2021-4
RCLQRT-21V726-4255.PDF 211.116KB
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Miscellaneous Document – Chronology
RMISC-21V726-1594.pdf 45.366KB
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Recall Acknowledgement
RCAK-21V726-6770.pdf 646.401KB
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Defect Notice 573 Report
RCLRPT-21V726-1244.PDF 215.036KB
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Recall Quarterly Report #2, 2022-1
RCLQRT-21V726-9371.PDF 211.219KB
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Recall Quarterly Report #3, 2022-2
RCLQRT-21V726-8486.PDF 211.299KB
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