ford m2c938-a

ENGINEERING MATERIAL SPECIFICATION

Date Action Revisions 2007 12 18 Revised Revised 3.16 C. Ved

2007 04 19 Revised Revised 3.3, 3.5, 3.6, 3.9.1, 3.9.2, 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 3.10, 3.12.1, 3.12.3, 3.12.4, 3.15.1 table, 3.15.2, 3.15.4 & 3.15.5 C. Ved

2005 12 02 Activated C. Ved

Printed copies are uncontrolled Copyright 2007 Ford Global Technologies, LLC Page 1 of 7

FLUID, AUTOMATIC TRANSMISSION WSS-M2C938-A 1. SCOPE

The material defined by this specification is for factory fill automatic transmission fluid (ATF) composed of base oil and additives.

2. APPLICATION

This specification is released for factory fill application (including top offs) of various automatic transmissions.

3. REQUIREMENTS

Material specification requirements are to be used for initial qualification of materials. 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS

Material suppliers and part producers must conform to the Company's Standard Requirements for Production Materials (WSS-M99P1111-A).

3.2 COLOR Red (ISO 2092)

3.3 VISCOSITY

New/Fresh fluid At 100 C (ASTM D 445) 6.2 mm2/sec (max.) At -40 C (ASTM D 2983) 12000 mPas (max.)

Shear Stability (CEC L-45-T93) After 20 hrs KRL, KV at 100 C 5.5 mm2/s, min After 40 hrs KRL, KV at 100 C 5.0 mm2/s, min

Evaporation loss, 150 C, 2 hr, max. 10% (Modified NOACK Test) After NOACK Test, Viscosity at -40 C 2000 mPa.s max change 3.4 FLASH POINT

(ASTM D 92) 180 C (min) 3.5 DENSITY (at 15 C) 0.841 gm/cc +/- 0.005


WSS-M2C938-A

Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 2 of 7

3.6 ANTI FOAMING PROPERTIES (ASTM D 892)

Sequence I 50/0 ml (max)

Sequence II 50/0 ml (max)

Sequence III 50/0 ml (max)

Sequence IV (ASTM D 6082-01) 100/0 ml (max)

3.7 COPPER STRIP, max 1b (ISO 2160/ASTM D 130, 3 h at 150 C, no water added) 3.8 NONCORROSION AND NONRUSTING PROPERTIES No visible rust (ASTM D 665, Procedure A, 24 h) 3.9 ELASTOMER COMPATIBILITY 3.9.1 ATRR-101 Nitrile after aging 168 h at 150 +/- 3 C per ASTM D 471, para 6.1, with

aluminum block, must be within the limits below: . Volume Change from original -3 to 4% . Hardness, Durometer A 0 to 10 Change from original 3.9.2 ATRR-201 Polyacrylic, after aging 70 h at 163 +/- 3 C in per ASTM D 471, para 6.1,

with aluminum block, must be within the limits below: . Volume Change from original 0 to 6% . Hardness, Durometer A +/- 5 Change from original 3.9.3 ATRR-300 Silicone after aging 240 h at 163 +/- 3 C per ASTM D 471, para 6.1, with

aluminum block must be within the limits below: . Volume Change from original 20 to 48% . Hardness, Durometer A -40 to -15 Change from original 3.9.4 ATRR-400 Fluoroelastomer after aging 240 h at 163 +/- 3 C per ASTM D 471,

para 6.1, with aluminum block, must be within the limits below: . Volume Change from original 0 to 4% . Hardness, Durometer A +/- 8 Change from original


WSS-M2C938-A


3.9.5 ATRR-500 Ethylene-Acrylic after aging 240 h at 163 +/- 3 C per ASTM D 471, para 6.1, with aluminum block, must be within the limits below:

. Volume Change from original 5 to 15% . Hardness, Durometer A +/- 5 Change from original

3.9.6 ATRR-600 Hypalon after aging 240 hrs. in candidate fluid at 163 +/-1 C per ASTM D 471, para 6.1, with aluminum block or fluid bath, must be within the limits below:

. Volume Change from original 5 to 35% . Hardness, Durometer A -30 to 0 Change from original 3.9.7 ATRR-700 Hydrogenated Nitrile after aging 240 hrs. in candidate fluid at 163 +/-1 C

per ASTM D 471, para 6.1, with aluminum block, must be within the limits below: . Volume Change from original -2 to 4% . Hardness, Durometer A 0 to 5 Change from original 3.10 ODOR

The fluid manufactured to this specification shall meet the Automatic Transmission Operations Odor Test procedure. The fluids shall be found to be acceptable when it receives an acceptability rating of 2 or less. The Automatic Transmission Engineering Operations odor test procedure can be obtained by written request to:

Ford O H & S Department

Occupational and Environmental Health Sciences 20901 Oakwood Blvd Dearborn, MI 48124 Tel: (313) 845-4588 3.11 TOXICITY

The fluid manufactured and formulated to this specification must not contain skin sensitization components. The entire formulation must be validated by testing, the following specific rigorous protocol. MSDS must accompany all containers other than tank cars quantities and Ford Toxicology Identification Number must be prominently displayed.

The protocol details can be obtained by written communication to:

Occupational and Environmental Health Sciences

Central Laboratory Building CPN 15000 Century Drive, Room S-120 Dearborn, MI 48120 Tel: (313) 322-4113 Fax: (313) 845-5578

And requesting the following procedure: "Decision Tree: Dermatotoxicology Assessment of High Production Volume Vehicle Fluids such as Transmission Fluids"


WSS-M2C938-A


3.12 WEAR 3.12.1 VANE PUMP WEAR TEST, wt. loss, max (ASTM D 6973 at 80 +/- 3 C, 6.9 mPa) 10 mg 3.12.2 Four-Ball Wear Test, 40 Kg load, 2 hrs (ASTM D 4172) Average Wear Scar Diameter, mm max. 600 RPM, 100 C (Average of 2 tests) 0.6 600 RPM, 150 C (Average of 2 tests) 0.6 3.12.3 Falex EP test (ASTM D 3233) No seizure load at 100 C, 1 minute 500 lbs, min. No seizure load at 150 C, 1 minute 500 lbs, min. 3.12.4 Timken Wear Test, burnish width, mm (ASTM D 2782) 4.08 kg load, 100 C, 10 minutes 0.8 max. (Average of 2 tests) No Scoring 4.08 kg load. 150 C, 10 minutes 0.8 max. (Average of 2 tests) No Scoring 3.12.5 FZG Gear wear test, Load Stage Pass (ASTM D 5182) 1450 RPM, 15 min at 100 C start temperature 11 1450 RPM, 15 min at 150 C start temperature 11

3.12.6 Automatic Transmission Planetary Gear Fatigue Test

This dynamometer test procedure shows the fatigue life characteristics of an automatic transmission gear train and its components. It is recommended for (but not exclusive to) 1st, 2nd, Rev, and Final Drive gear sets. (Reference CETP: 07.01-L-311)

3.12.7 Accelerated Overrunning One Way Clutch Test No Trenching

Overrun test using clutches (AX4N Low-Intermediate OWC) built with 11 double springs and 3 triple springs. The inner race rotation is 4500 RPM's and the outer cam is stationary. Automatic Transmission Fluid is heated to 230 F at 6.5 ml/sec flow rate. Duration of the test is 10 hours. Contact: Delphi Attn: David. Fox (419) 627-7055

3.13 MOISTURE, max 0.05% (ISO 3733/ASTM D 95)


WSS-M2C938-A


3.14 OXIDATION TESTS (FLTM BJ 110-04, 155 C +/- 1) Lead Coupon Weight Loss, 100 hrs, max 0.5% Pentane Insolubles, 300 hrs, max 0.35% Differential Infrared Carbonyl Absorbance 300 hrs, max 15/cm Total Acid Number Change, 300 hrs, max 1.5 % Viscosity Change at 40 C, 300 hrs, max 10% Copper Strip Rating, 300 hrs, max 3B Aluminum Strip Rating, 300 hrs, max. No Varnish Sludge, 300 hrs, max. No Sludge 3.15 FRICTIONAL PERFORMANCE TESTS 3.15.1 Clutch Friction Durability Attachment I

(SAE # 2 machine, 30000 cycles, 135 C with SD1777 & D 530-31 friction material)

Test Criteria SD-1777 material D 530-31 material Midpoint Dynamic Coefficients (M) 0.140 0.165 0.14- 0.16 Low Speed Dynamic Coefficients (E) 0.135 0.160 0.14 0.18 Static Breakaway Coefficients 0.110 0.140 0.10 0.15 S/D (E/M) 0.950 1.100 0.95 1.15

3.15.2 Squawk Performance Test Attachment II

(GK test rig, BW 6510 friction material)

Fresh ATF 0.6 N/mm2, min pressure Used/Aged ATF (300 hrs at 150 C or 100 hrs at 170C) 0.5 N/mm2, min pressure

3.15.3 Continuous Slip Evaluation (-V Characterization) Attachment III

(SAE # 2 machine, SD 1777C friction material) 115 hrs Pass

3.15.4 Low Speed Friction Evaluation

(LVFA, 0-300 rpm, 120 C, SD-1777, D 530-31 & MS 022 friction materials) ATF used Fresh & Aged (300 hrs at 150 C or 100 hrs at 170C)

Friction Materials Coefficient of Friction

SD 1777 0.11 0.14 D 530-31 0.13 0.16 MS 022 0.10 0.13


WSS-M2C938-A


3.15.5 Anti Shudder Durability Test (SAE # 2 machine with ATF ageing apparatus, SD-1777 & D 531-70H friction materials)

Test Hrs: 100 hrs dMu/dV > -10 max.

3.16 CLEANLINESS LEVEL - /18/15 (ISO 4406. At supplier manufacturing site prior to unloading into shipping containers) 3.17 QUALITY CONTROL/SUPPLIER TESTING Annual validation required on production sample. Validation is to be completed by the first

week of the fifth month prior to a typical Job 1 date (Approximately 2 months prior to Job 1). Test required for annual validation are 3.2, 3.3, 3.4, 3.5, 3.6, 3.9, 3.12, 3.14, 3.15.4.

Supplier in-house friction test results are acceptable after concurrence with the Product engineering design & release / materials section.

Attachment I

Clutch Friction Durability SAE NO. 2 MACHINE SET-UP PARAMETERS Temperature: 135 +/- 3 C Pressure: 275 +/- 5 kPa Velocity: 3600 rpm Energy: 20740 +/- 100 J Fill Volume: 305 mL +/- 5 mL Total Cycles: 400 for each evaluation pack & 30000 for each durability pack

TEST SEQUENCE

Event Duration Cumulative Time, s Operation

1 10.0 (T1)* 0 to 10.0 High speed (HS) motor on (force released)

2 5.0 (T1 + T2)* 10.0 to 15.0 Motor off, force applied

3 5.0 (T4)* 15.0 to 20.0 Motor off, force released

4 0.5 20.0 to 20.5 Static Drive (SD) motor on to engage static drive

5 5.0 20.5 to 25.5 SD motor off, force released

6 0.5 25.5 to 26.0 SD motor off, force applied

7 5.0 26.0 to 31.0 SD motor on, force applied

8 5.0 31.0 to 36.0 SD motor off, force released

* = Reference SAE Friction Nomenclature Specification (SAE J1646)


WSS-M2C938-A


Attachment II Squawk Performance

GK Rig Machine Setup Parameters Apply Pressure: 4200 kPa/sec. Sampling Frequency: 500 Hz (1000 Hz with 500 Hz filter) Fill Volume: 700 mL +/- 5 mL

TEST DESCRIPTION

Sliding Speed (m/s) Speed (rpm) Pressures (kPa) Temp F0.005 10.011 20.027 50.055 100.110 200.165 300.220 400.275 500.412 750.549 1000.824 1501.098 2001.373 2501.647 300

120

Test Conditions - Discrete Data Points

40

241 90

369

97

Attachment III Continuous Slip Evaluation (-V Characterization)

Test Setup

TEMPERATURE, BATH 120 C APPLY PRESSURE 10 Kg/cm2 SLIDING SPEED 0 - 220 INTERVAL - HRS. 4 hrs DATA ACQUISITION 1.90 SEC WITHIN 2.0 SEC. WINDOW TEMPERATURE, TEST HEAD 120 C

Test Description

Break-in for 20 mins. Slipping mode for 50 mins. 20 dynamic engagements. Slipping mode for 50 mins. 20 Dynamic engagements. Slipping mode for 50 mins. 20 Dynamic engagements. vs. V data collection. 6 Dynamic engagements. Repeat sequence.

ford m2c938-a

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