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February 11, 2021 NHTSA CAMPAIGN NUMBER: 21V066000
Front Disc Brake Caliper May Corrode
If the disc brake’s caliper mechanism corrodes or freezes, it can reduce front braking effectiveness, increasing the risk of a crash.
NHTSA Campaign Number: 21V066
Manufacturer Trail King Industries, Inc.
Components SERVICE BRAKES, AIR
Potential Number of Units Affected 47
Summary
Trail King Industries, Inc. (Trail King) is recalling certain 2019-2021 TKHDG, TKAMG, TKAHG, TKHG, TKMG, TKMB, and TKLPSD trailers equipped with disc brakes and a yoke-type suspension. Sealant may be missing on the disc brake chamber extension tube on the front axle, possibly allowing water intrusion which can cause corrosion or freezing of the brake caliper mechanism.
Remedy
Trail King began notifying owners, and dealers will inspect the front axle brake system, and seal the disc brake extension tube on the front axle, as necessary, free of charge. If water has intruded into the caliper mechanism and caused corrosion, the caliper will be replaced, free of charge. The recall began February 17, 2021. Owners may contact Trail King customer service at 1-800-843-3324. Trail King’s number for this recall is TK202101.
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.safercar.gov.
Disc Brake Extension Tube sealant inspection.
- Inspect the area where the extension tube seats on the caliper for sealant, if sealant is present as shown in the photo below there is no need to remove the extension tube or do any repair.
- If there is no sealant present in the exterior inspection, the extension tube should be removed and verify the sealant is missing.
- If there is no sealant, inspect the caliper fulcrum area for water intrusion or evidence of water.
- If there is evidence of water intrusion or corrosion contact Trail King Customer service for further repair procedures and caliper replacement.
- If no water intrusion or corrosion is present follow the sealing procedure K0590-12 attached.
TO: Valued Trail King Trailer Customer
NHTSA Recall Number: 21V-066
Trail King Recall Number: TK202101
DATE: February 18, 2021
IMPORTANT SAFETY RECALL
This notice applies to your vehicle with VIN: _________________________.
This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act
Trail King has decided that a defect which relates to motor vehicle safety exists in the air disc brakes on front axles of vehicles that utilize yoke type front suspension on certain Trail King trailers.
What Trailers are being recalled?
This recall affects various Trail King trailers with air disc brakes using the disc brake chamber extension tube on the front axle with yoke type suspensions on 2019-2021 model years. Models, TK70HDG, TK70AHG, TK70AMG, TK80AHG, TK90AHG, TK90AMG, TK102HDG, TK102MG, TK110HDG, TK120HDG, TK120LPSD, TKHB2, TKMB3, TK150HDG
What is the Problem?
Trail King has determined that these specific models may be missing sealant on the disc brake chamber extension tube on the front axle only. As a result, water may intrude into the brake caliper causing corrosion and or freezing of the mechanism inside the caliper. If this condition occurs, the braking effectiveness of the front axle may be reduced, increasing the risk of a crash.
What should you do?
Obtain and confirm your trailer’s serial number from the VIN plate located on your trailer. You are receiving this letter because our records show you are the current owner of this vehicle.
You should inspect the trailer air disc brake system on the front axle only for proper operation. Please contact your nearest Trail King Industries dealer to have your trailer inspected and repaired. You also can contact Trail King Industries directly at 1-800-843-3324 and our Customer Service Department will help you locate a dealer near you. We will send the parts if needed to the dealer to repair your trailer.
What will we do?
Trail King Industries is conducting a safety recall campaign to address this issue. An authorized Trail King Industries Service Center will inspect and reseal the disc brake chamber extension tube on the front axle on your trailer. These repairs should take approximately 3 hours and will be performed at no charge to you.
If this repair has been performed at prior to receipt of this notification, you may be eligible to receive reimbursement for the cost of obtaining a pre-notification remedy of the problem associated with this recall. For more information, contact Trail King at the phone number noted below.
If you no longer own the vehicle covered by this Safety Recall Notice, please provide the name and contact information for the new owner by contacting Trail King Industries at 1-800-843-3324 and ask for Customer Service or email to ODCustomerservice@trailking.com. This will enable us to advise the new owner of this recall.
Pursuant to Federal Law, any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten (10) days.
If Trail King Industries fails or is unable to provide a remedy within a reasonable time, you may wish to contact the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE, Washington, DC 20590, or call the toll-free Auto Safety Hotline at 1-888-327-4236 (TTY: 1-800424-9153); or contact NHTSA at https://www.safercar.gov.
We regret any inconvenience this may cause you, but we are initiating this action in the interest of your personal safety and satisfaction with our products.
Sincerely,
Customer Service
Trail King Industries
300 East Norway
Mitchell, SD 57301
1-800-843-3324 (Toll Free)
SEOCONTENT-START
PARTS LIST
ITEM DESCRIPTION PART NUMBER QTY
1 12″ BRAKE EXTENSION ROD W/ BUSHING INSTALLED AND END MACHINED A0102 1
2 COMPRESSION COIL SPRING #C48-125-384 (JONES) 12″LG C0452 1
3 QUADRING BUNA #226 C0456 1
4 12″ LONG BRAKE EXTENSION TUBE W/ MOUNTING PLATES W1054 1
OF
1
3
SHEET: SCALE:
.XXX = +/- .031
.XX = +/- .06
11176
PROJECT NO:
ANGLES = +/- 1
B-SIZE: 1/2
D-SIZE: 1/X
FRACTIONS = +/- 1/16
F
REV:
TOLERANCE UNLESS OTHERWISE STATED:
EXTENSION KIT
TITLE:
12″ LONG DISKBRAKE CHAMBER
DRAWING(PART) NO:
K0590-12
Nixa, MO. USA
www.cushcorp.com
PHONE: 417-724-1239
A-SIZE: NTS
APP
CHK
7/16/2018
N/A
DWALKER
CUSH CORP.
WITHOUT WRITTEN CONSENT OF
WILL BE MADE TO A THIRD PARTY
DISCLOSURE OF THIS INFORMATION
RECIPIENT AGREES THAT NO
CONFIDENTIAL BASIS. THE
SUBMITTED ONLY ON A
PROPERTY OF CUSH CORP AND IS
HEREIN IS THE INTELLECTUAL
ALL OF THE INFORMATION SHOWN
MATERIAL:
CHECKED:
DRAFTSMAN:
WEIGHT:
DCN# REV REVISION DESCRIPTION DATE BY CHK APP
RELEASED:
4.75
(6.25)
.70
(2.50)
12.065
(11.915)
1
2
4
3
NOTES:
ASSEMBLY NOTE:
1. LUBRICATE W/ ANTI-SEIZE ON INSIDE OF HOUSING 4″ DEEP FROM CHAMBER SIDE, NO CONTACT WITH
SEALING SURFACES
2. PAINT SPRING (C0452) W/ BLACK SPRAY PAINT AND LET DRY BEFORE ASSEMBLY
SHIPPING NOTE:
3. PACK 1 QUADRING (C0456) IN A BAG, OR BULK PACKAGE PER ORDER
QC NOTE:
4. SEE WI-6620_K0590-12 & WI-6520 (REF WI-6622)
5. QC TO CHECK AND RECORD DATA IN WIX-6620-K0590-12
QUAD RING IN BRAKE
CALIPER HOUSING FOR
SEALING.
D.1 UPDATED TOLERANCES PER Cpk STUDY 7/19/18 DJW
E ADDED 2x C0720 8/8/18 DJW
F ADDED SHEET 3, REMOVED 1 QUADRING AND BOTH GASKETS 8/14/18 DJW
DISCLAIMER: CUSTOMER IS RESPONSIBLE FOR PROPER
SEALING AGAINST WATER INTRUSION FROM DISC BRAKE
EXTENSION TUBE TO CALIPER AND TO BRAKE CHAMBER.
CUSH ASSUMES NO WARRANTY LIABILITY FROM WATER
INTRUSION INTO DISC BRAKE CALIPER HOUSING.
PER revF SHEET 3 SUGGESTION
SECTION A-A
SCALE 1 / 1
A
A
REV:
F
ANGLES = +/- 1
FRACTIONS = +/- 1/16
A-SIZE: NTS
SCALE:
B-SIZE: 1/2
D-SIZE: 1/X
2
SHEET:
EXTENSION KIT
REVISION DESCRIPTION
TOLERANCE UNLESS OTHERWISE STATED:
12″ LONG DISKBRAKE CHAMBER
.XXX = +/- .031
.XX = +/- .06
TITLE:
3
PROJECT NO:
11176 OF
DRAWING(PART) NO:
PHONE: 417-724-1239
DATE
APP
CHK
www.cushcorp.com
K0590-12
Nixa, MO. USA
DCN# REV
7/16/2018
N/A
DWALKER
CHECKED:
DRAFTSMAN:
RELEASED:
MATERIAL:
WEIGHT:
CUSH CORP.
WITHOUT WRITTEN CONSENT OF
WILL BE MADE TO A THIRD PARTY
DISCLOSURE OF THIS INFORMATION
RECIPIENT AGREES THAT NO
CONFIDENTIAL BASIS. THE
ALL OF THE INFORMATION SHOWN
PROPERTY OF CUSH CORP AND IS
HEREIN IS THE INTELLECTUAL
SUBMITTED ONLY ON A
BY CHK APP
12.065
11.915 FACE-FACE (Q2 ON W1054)
(12.09)
Q1
1. QC CHECK TO PUSH INNER PIN
SO END STICKS OUT 2.7″
2. IF PASS Q1 TEST APPLY CUSH
SERIAL TAG & LOG IN QC BOOK
(.59)
(.63)
(.59)
(.50)
(.14)
(.13)
D.1 UPDATED TOLERANCES PER Cpk STUDY 7/19/18 DJW
E ADDED 2x C0720 8/8/18 DJW
F ADDED SHEET 3, REMOVED 1 QUADRING AND BOTH GASKETS 8/14/18 DJW
DISCLAIMER: CUSTOMER IS RESPONSIBLE FOR PROPER
SEALING AGAINST WATER INTRUSION FROM DISC BRAKE
EXTENSION TUBE TO CALIPER AND TO BRAKE CHAMBER.
CUSH ASSUMES NO WARRANTY LIABILITY FROM WATER
INTRUSION INTO DISC BRAKE CALIPER HOUSING.
PER revF SHEET 3 SUGGESTION
OF
3
SHEET: SCALE:
11176
D-SIZE: 1/X
PROJECT NO:
ANGLES = +/- 1
B-SIZE: 1/2
A-SIZE: NTS
FRACTIONS = +/- 1/16
EXTENSION KIT
TOLERANCE UNLESS OTHERWISE STATED:
TITLE:
REVISION DESCRIPTION
DRAWING(PART) NO:
K0590-12
DATE
Nixa, MO. USA
www.cushcorp.com
PHONE: 417-724-1239
CHK APP
12″ LONG DISKBRAKE CHAMBER
.XX = +/- .06
APP
CHK
.XXX = +/- .031
3
REV:
F
DCN# REV
7/16/2018
N/A
DWALKER
CHECKED:
DRAFTSMAN:
RELEASED:
MATERIAL:
WEIGHT:
CUSH CORP.
WITHOUT WRITTEN CONSENT OF
ALL OF THE INFORMATION SHOWN
HEREIN IS THE INTELLECTUAL
PROPERTY OF CUSH CORP AND IS
SUBMITTED ONLY ON A
CONFIDENTIAL BASIS. THE
RECIPIENT AGREES THAT NO
DISCLOSURE OF THIS INFORMATION
WILL BE MADE TO A THIRD PARTY
BY
ORING TURNED
OFF FOR VISIBILITY
1/4″ BEAD IN
STEP TO SEAL
AGAINST QUADRING
IN CALIPER HOUSING
1/8″ BEAD
AROUND
HOLE FOR
SEALING
THIS IS
CALIPER SIDE
1/8″ BEAD IN
STEP TO SEAL
AGAINST CHAMBER
SEAL
FOR SEALING EXTENSION TUBE USE PERMATEX THE RIGHT STUFF (#85224)
1. ALL MATING FACES SHOULD BE CLEANED AND DRIED (BRAKE EXTENSION TUBE, CALIPER MOUNT, AND BRAKE CHAMBER)
2. USE A 1/8-1/4 CONTINUOUS BEAD AS SHOWN ABOVE
3. ASSEMBLE PARTS WITHIN 5 MINUTES
READ AND FOLLOW DIRECTIONS ON CAN FOR PROPER INSTALLATION.
VIEW TECHNICAL DATA SHEET FOR MORE INSTRUCTIONS AND NOTES
https://www.permatex.com/tech-documents-results/?doc_num=85224
CUSH RECOMMENED SEALING NOTES
DISCLAIMER: CUSTOMER IS RESPONSIBLE FOR PROPER SEALING AGAINST WATER
INTRUSION FROM DISC BRAKE EXTENSION TUBE TO CALIPER AND TO BRAKE CHAMBER.
CUSH ASSUMES NO WARRANTY LIABILITY FROM WATER INTRUSION INTO DISC BRAKE
CALIPER HOUSING.
PER revF SHEET 3 SUGGESTION
THIS IS
CHAMBER SIDE
^ STEP 1: 1/4″ BEAD IN STEP (CALIPER SIDE) ^ STEP 2: 1/8″ BEAD AROUND HOLE (CALIPER SIDE)
< REF OF SQUISH PATTERN
(CALIPER SIDE)
v STEP 1: 1/8″ BEAD IN STEP (CAHMEBR SIDE)
v REF OF SQUISH PATTERN (CHAMBER SIDE)
D.1 UPDATED TOLERANCES PER Cpk STUDY 7/19/18 DJW
E ADDED 2x C0720 8/8/18 DJW
F ADDED SHEET 3, REMOVED 1 QUADRING AND BOTH GASKETS 8/14/18 DJW
SEOCONTENT-END
21 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| TRAIL KING | TKAHG | 2019-2021 |
| TRAIL KING | TKAMG | 2019-2021 |
| TRAIL KING | TKHDG | 2019-2021 |
| TRAIL KING | TKHG | 2019-2021 |
| TRAIL KING | TKLPSD | 2019-2021 |
| TRAIL KING | TKMB | 2019-2021 |
| TRAIL KING | TKMG | 2019-2021 |
10 Associated Documents
Remedy Instructions and TSB
RCRIT-21V066-2911.PDF 1452.925KB
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Remedy Instructions and TSB
RCRIT-21V066-0005.pdf 1646.553KB
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Recall Quarterly Report #2, 2021-2
RCLQRT-21V066-4128.PDF 211.24KB
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Recall Quarterly Report #1, 2021-1
RCLQRT-21V066-4433.PDF 211.138KB
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Defect Notice 573 Report
RCLRPT-21V066-8018.PDF 213.889KB
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Recall 573 Report- Amendment 1
RCLRPT-21V066-2726.PDF 213.94KB
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ISSUED Owner Notification Letter(Part 577)
RCONL-21V066-6318.pdf 145.085KB
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Recall Acknowledgement
RCAK-21V066-5202.pdf 646.186KB
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Recall Quarterly Report #3, 2021-3
RCLQRT-21V066-1307.PDF 211.325KB
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Recall Quarterly Report #4, 2021-4
RCLQRT-21V066-2842.PDF 211.432KB
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Latest Recalls Documents
For the Latest and Most Recent Recalls Information Visit the link below…
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21V066&docType=RCL
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