L14-282

PERRY JOHNSON LABORATORY
ACCREDITATION, INC.
Certificate of Accreditation
Perry Johnson Laboratory Accreditation, Inc. has assessed the Laboratory of:
Link Engineering Company
401 Southfield Road, Dearborn, MI 48120
13840 Elmira Street, Detroit, MI 48227
(Hereinafter called the Organization) and hereby declares that Organization is accredited
in accordance with the recognized International Standard:
ISO/IEC 17025:2005
This accreditation demonstrates technical competence for a defined scope and the
operation of a laboratory quality management system
(as outlined by the joint ISO-ILAC-IAF Communiqué dated January 2009):
Testing of Automotive and Heavy Truck Break Components, Wheel
Components, Fluids, Friction Materials, and Vehicle Testing including
Chemical Composition for Automotive Products
(As detailed in the supplement)
Accreditation claims for such testing and/or calibration services shall only be made from addresses referenced within this
certificate. This Accreditation is granted subject to the system rules governing the Accreditation referred to above, and the
Organization hereby covenants with the Accreditation body’s duty to observe and comply with the said rules.
For PJLA:
Tracy Szerszen
President/Operations Manager
Perry Johnson Laboratory
Accreditation, Inc. (PJLA)
755 W. Big Beaver, Suite 1325
Troy, Michigan 48084
Initial Accreditation Date:
Issue Date:
Expiration Date:
August 27, 2002
October 21, 2014
January 31, 2017
Accreditation No.:
Certificate No.:
59264
L14-282
The validity of this certificate is maintained through ongoing assessments based on a
continuous accreditation cycle. The validity of this certificate should be
confirmed through the PJLA website: www.pjlabs.com
Page 1 of 5
Certificate of Accreditation: Supplement
Link Engineering Company
401 Southfield Road, Dearborn, MI 48120
13840 Elmira Street, Detroit, MI 48120
Contact Name: Ann Helms Phone: 313-933-4900
Accreditation is granted to the facilities to perform the following testing:
401 Southfield Road, Dearborn, MI 48120 & 13840 Elmira Street, Detroit, MI 48120
FIELD
OF TEST
Mechanical F
ITEMS, MATERIALS OR
PRODUCTS TESTED
Friction Materials
SPECIFIC TESTS OR PROPERTIES
MEASURED
Friction/Wear
Compressibility
Swell & Growth
Internal Shear
Shear Strength
Friction Materials and
Components for Hydraulic
Brakes
Noise
Wear
Friction
Effectiveness/Performance/Wear
Friction Materials and
Components for Air Brakes
Suspension and Brake Corner
Components Strength and
Fatigue
Friction
Effectiveness/Performance/Wear
Hydraulic Brake Systems
Stopping Distance/Balance/Fade
SPECIFICATION,
STANDARD
METHOD OR
TECHNIQUE USED
SAE J661
VESC-V3
SAE J2468
ISO 6310
ABNT NBR 9301
ECE R90-02
GMW 15334
SAE J160
ABNT NBR 5505
ISO 6311
ISO 6312
ABNT NBR 5537
SAE J840
ECE R90-02
SAE J2521
JASO C427
SAE J2707
SAE J2522
SAE J2784
SAE J2684
SAE J2928
ISO 26867
JASO C406
JASO C407
ECE R90-2
JASO C441
JASO C448
SAE J1713
RP 628
TP-121D
SAE J2115
FMVSS 105
FMVSS 135
ECE R90-02
JIS D 2603
SAE J101
Hydraulic Brake Systems
Performance
Hydraulic Wheel Cylinders for Performance
Automotive Drum Brakes
Wheel Nut Seat System
SAE J2316
Master Cylinder Assemblies
Performance and Durability
SAE J1153
Hub-bearing Assemblies and
Impact
SAE J175
Wheels
Issue: 10/14
This supplement is in conjunction with certificate #L14-282
RANGE (WHERE
APPROPRIATE) AND
DETECTION LIMIT
0.4 % of F.S.R.
0.85 % F.S.R.
0.72 % F.S.R.
0.13 % F.S.R.
0.29 % F.S.R.
0.3 % F.S.R.
0.63 % F.S.R.
0.63 % F.S.R.
0.52 % F.S.R.
0.33 % F.S.R.
0.63 % F.S.R.
Page 2 of 5
Certificate of Accreditation: Supplement
Link Engineering Company
401 Southfield Road, Dearborn, MI 48120
13840 Elmira Street, Detroit, MI 48120
Contact Name: Ann Helms Phone: 313-933-4900
Accreditation is granted to the facilities to perform the following testing:
401 Southfield Road, Dearborn, MI 48120 & 13840 Elmira Street, Detroit, MI 48120
FIELD
OF TEST
Mechanical F
ITEMS, MATERIALS OR
PRODUCTS TESTED
Hub-bearing Assemblies
and Wheels
SPECIFIC TESTS OR
PROPERTIES
MEASURED
Cornering Fatigue
Radial Fatigue
Hub-bearing
Assemblies/Wheels
Biaxial Fatigue
Issue: 10/14
SPECIFICATION,
STANDARD METHOD
OR TECHNIQUE
USED
SAE J328
SAE J1095
SAE J2530
SAE J328
SAE J175
SAE J328
SAE J1095
SAE J2530
SAE J2562
SAE J2562
RANGE (WHERE APPROPRIATE) AND
DETECTION LIMIT
0.63 % F.S.R.
0.8 % F.S.R.
This supplement is in conjunction with certificate #L14-282
Page 3 of 5
Certificate of Accreditation: Supplement
Link Engineering Company
401 Southfield Road, Dearborn, MI 48120
13840 Elmira Street, Detroit, MI 48120
Contact Name: Ann Helms Phone: 313-933-4900
Accreditation is granted to the facilities to perform the following testing:
401 Southfield Road, Dearborn, MI 48120
FIELD
OF TEST
Mechanical F
ITEMS, MATERIALS
OR PRODUCTS
TESTED
Friction Materials/
Brake Hardware/
Full Vehicle
Brakes/Tires/
Wheels/Full
Vehicle
Full Vehicle
Issue: 10/14
SPECIFIC TESTS OR
PROPERTIES MEASURED
Brake Systems
Durability
City Traffic- Noise/Wear
Suburban Traffic
Structural
Public Road
Fuel Economy
Coast-Down
Fuel Consumption
NVH Vehicle Testing
Interior/
Exterior Noise Studies
Pass by Noise
Thermal HVAC,
Death Valley
Cooling Systems
Cold Chamber
Wheel and Tire
Tire Blow-Out
Structural Integrity
Customer Specifications
SPECIFICATION,
STANDARD METHOD OR
TECHNIQUE USED
FMVSS-105
FMVSS-135
FMVSS-122
FMVSS-126
ECE-R13H
ECE-R13
ECE R90-2
Customer
Specifications
Trailer Tow
Thermal Capacity
High Speed Fade
AMS Fade Test
Fluid Boil
Vacuum Boosted
Performance
Customer Specification
City Traffic
Suburban Traffic
Structural Durability
SAE J2263
SAE J1321
SAE J986
RANGE (WHERE APPROPRIATE) AND
DETECTION LIMIT
Instrument Specifications
Stopping Distance: Detection:
y= (1.33 x 10-3 + 4.66 x 10-2)
Pedal Force:
3.1 N to 2 224 N
(0.7 lbf to 500 lbf)
Temperature: 2° C to 1 371° C
Deceleration 0.01 G to 2.0 G
Pedal Travel: 0.8 mm to 508 mm
(0.32 in to 20 in)
Pressure: 5.31 Pa to 34 470 kPa
(0.78 psi to 5 000 psi)
Steering Wheel Torque: 0.5 Nm to
135 Nm (0.4 ft·lbs to 100 ft·lbs)
Lateral Drift Limit:
y= (3.938 x 10-5 + 3.122 x 10-5 )m
Wheel Break Torque:
8 Nm to 8 135 Nm
(6 ft·lbs to 6 000 ft·lbs)
Customer Specification
FMVSS 110
Directly Related to the
Above Listed
Methodologies
This supplement is in conjunction with certificate #L14-282
Page 4 of 5
Certificate of Accreditation: Supplement
Link Engineering Company
401 Southfield Road, Dearborn, MI 48120
13840 Elmira Street, Detroit, MI 48120
Contact Name: Ann Helms Phone: 313-933-4900
Accreditation is granted to the facilities to perform the following testing:
401 Southfield Road, Dearborn, MI 48120
FIELD
OF TEST
ITEMS, MATERIALS
OR PRODUCTS
TESTED
Chemical F
Automotive Friction
Materials
1.
SPECIFIC TESTS OR
PROPERTIES MEASURED
Chemical Composition
SPECIFICATION,
STANDARD METHOD OR
TECHNIQUE USED
SAE J2975: 2013
SAE J2975: 2011
EPA 3051A
EPA 6010C
EPA 3060A
EPA 7196A
EPA/600/R-93/116
RANGE (WHERE APPROPRIATE) AND
DETECTION LIMIT
0 % to 100 %
Detection Limit(s):
Cd, Cr, Cu, Hg, and Ni = 0.000 25 %
Pb, Sb, and Zn = 0.002 5 %
Cr VI = 0.05 %
Asbestos = 0.1 %
The presence of a superscript F means that the laboratory performs testing of the indicated parameter at its
fixed location. Example: Outside Micrometer F would mean that the laboratory performs this testing at its
fixed location.
Issue: 10/14
This supplement is in conjunction with certificate #L14-282
Page 5 of 5

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