Gasoline Models Model Years 1981 - 1985

TEST SHEET FOR AUTOMATIC TRANSMISSIONS GASOLINE MODELS MODEL YEARS 1981 - 1985
TYPE: W4A040 (722.3)

MODELS:
I. 107.025 II. 126.032
107.045 126.037
126.033 126.044
126.043
I. MODELS 380 SLC, 380 SL, 380 SEL AND 380 SEC

A. PRELIMINARY CHECKS
1. Transmission fluid level: Full - Overfilled - Low
2. Oil appearance: Clean - Cloudy - Burned
3. Adjustment of control pressure cable: Adjustment Correct - Adjusted
Time Allowance: Refer to Time Guide, Operation No. 27-010.



B. ROAD TEST: Check Shift Points. Drive car through shift points in selector lever position "D", observing any malfunctions of transmission performance. Mark actual conditions on test sheet. Note: All speeds given are approximate values.
Time Allowance: 27-0028 00 Shift Quality/Shift Points, Check during Road Test 0.4 hr
C. MODULATOR PRESSURE TEST IN POSITION "D" AT 50 km/h (VACUUM LINE PULLED OFF).
Maximum (on acceleration): Actual psi (bar) Set to specified psi (bar)

Time Allowance: Refer to Time Guide, Operation No. 27-016.



WORKING AND GOVERNOR PRESSURE TEST IN PSI OR BAR
Time Allowance: Refer to Time Guide, Operation No. 27-021/031.

II. MODELS 380 SE, 500 SEL AND 500 SEC

A. PRELIMINARY CHECKS
1. Transmission fluid level: Full Overfilled Low

2. Oil appearance: Clean Cloudy Burned
3. Adjustment of control pressure cable: Adjustment Correct Adjusted

Time Allowance: Refer to Time Guide, Operation No. 27-010.



B. ROAD TEST: Check Shift Points. Drive car through shift points in selector lever position "D", observing any malfunctions of transmission performance. Mark actual conditions on test sheet. Note: All speeds given are approximate values.
Time Allowance: 27-0028 00 Shift Points/Shift Quality, Check during Road Test 0.4 hr
C. MODULATOR PRESSURE TEST IN POSITION "D" AT 50 km/h (VACUUM LINE PULLED OFF).
Maximum (on acceleration): Actual psi (bar) Set to specified psi (bar)
Time Allowance: Refer to Time Guide, Operation No. 27-016.



WORKING AND GOVERNOR PRESSURE TEST IN PSI OR BAR
Time Allowance: Refer to Time Guide, Operation No. 27-021/031.
Diagnostic Chart
Automatic Transmission

Type: W4A040(722)
Models: 123.133/153/193 126.120






Preliminary Check:

Transmission fluid level and fluid condition (appearance). If transmission fluid is black or has burnt smell, transmission must be reconditioned or replaced.

Using the Diagnostic Chart

Find the Complaint/ Problem in the left column of the chart. Perform operation(s) indicated by numbers and in the sequence of the numbers. Test No. and Test Operation are given across the top of the chart.

All Test Operations are fully described in the Diagnostic Manual.

The "Test Sheet for Automatic Transmissions" on the back of this chart was designed to assist you in performing those operations requiring a Road Test.