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AUTOMATIC TRANSMISSION - NAG1
AUTOMATIC TRANSMISSION - NAG1 (Continued)
CONDITION
DELAYED ENGAGEMENT,
NO TRANSFER OF
POWER IN R AND/OR D,
ALSO AT TIMES
NO UPSHIFT OF 1ST
GEAR AT TIMES
LEAKAGE AT THE AREA
OF THE ELECTRICAL
PLUG TO THE
CONDUCTOR PLATE
LEAKAGE AT THE AREA
OF BELL HOUSING/
TORQUE CONVERTER
OIL LEAKS
POSSIBLE CAUSES
1. Oil Level Too Low.
2. Recognition Switch - Selector
Lever Position.
3. Oil Filter Not Installed.
4. AEV, Delayed Pressure Build Up
On Piston B2/B3.
5. Wrong Combination TCM/
Electrohydraulic Control Unit.
1. Connector Ballast Unit. Output
Speed Sensor Loose, Incorrectly
Contacted.
2. Output Speed Sensor Defective
1. Deformation O-Rings.
2. Deformation Adapter.
3. The Conductor Plate Is Not Fitted
Surface To Surface On The Valve
Body In One Corner, The Plug Is Not
Centered In The Socket And The
O-ring Will Not Seal.
4. Contacting At The Conductor Plate
Leaky. Oil In Harness, Sometimes In
The Control Module.
1. Bolts (Torx M6) Outer Disc Carrier
B1.
1. 6 Lower Bolts (TorxM8) Converter
Housing.
2. Oil Drain Plug Converter Loose
Resp. No Seal Ring Installed.
3. Weld Seam Of Torque Converter
Leaky.
4. Radial Sealing Ring Oil Pump
Defective.
5. O-Ring Oil Pump Defective Or Not
Installed.
6. Bushing Of Oil Pump Loose,
caused By Missing Fit Bolt At
Transmission/Engine Flange.
CORRECTION
1. Check Oil Level. Add if
Necessary.
2. Replace Recognition Switch
Only When Intermediate
Position or Fault is Indicated.
3. Install Oil Filter.
4. Install New Shifting
Procedure (TCM,
electrohydraulic control unit or
repair set).
5. Check Combination
TCM/Electrohydraulic Control
Unit. Replace TCM Resp.
Electrohydraulic Control Unit, if
necessary.
1. Check Connectors, Replace
Output Speed sensor If
Necessary.
2. Replace Output Speed
Sensor.
1. Replace O-Rings.
2.Replace Adaptor.
3. Remove Nose Of Conductor
Plate.
4. Replace Conductor Plate.
1. Clean Thread and Install the
Bolts Using Sealer.
1. Clean Thread and Install the
Bolts Using Sealer.
2. Install Drain Plug Correctly.
3. Replace Torque Converter.
4. Replace Sealing Ring.
5. Install O-Ring.
6. Install Fit Bolt If Necessary.
VA
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