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Home >> Buick >> 1995 >> LeSabre Custom >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle Overhaul & Testing - 4T60-E >> Trouble Shooting >> Quick Check

Quick Check

  1. Check level and condition of transaxle fluid. Check PCM memory for stored Diagnostic Trouble Codes (DTCs). See DTC checking procedures in AUTO TRANS DIAGNOSIS - 4T60-E - 1995 article or procedures in AUTO TRANS DIAGNOSIS - 4T60-E - 1996 article. If no DTCs are present, go to next step. If DTCs are present, diagnose and repair all PCM-related trouble codes. Clear PCM trouble code memory.
  2. Perform road test. See ROAD TEST  under TESTING. During road test, record shift points. If shift point timing or shifting is incorrect, see diagnostic procedures in AUTO TRANS DIAGNOSIS - 4T60-E - 1995 article or go to AUTO TRANS DIAGNOSIS - 4T60-E - 1996 article.
  3. If shift(s) is too harsh or too soft, see HYDRAULIC PRESSURE TESTS  under TESTING. For specific complaints, see appropriate condition(s) listed under SYMPTOM DIAGNOSIS .
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