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Home >> Chrysler >> 2001 >> Sebring LX, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Diagnosis - F4A42 & F4A51 Automatic Transmission) >> Symptom Tests >> Test C: Vehicle Does Not Move In Reverse

Test C: Vehicle Does Not Move In Reverse

WARNING: This page is about a different variant/trim than selected.
NOTE: If vehicle moves forward but does not move in reverse when shifted from Neutral to Reverse with engine idling, likely cause is abnormal reverse clutch or low-reverse brake pressures, or faulty low-reverse solenoid valve, low-reverse brake, reverse clutch, valve body or PCM.
  1. Using scan tool, attempt to actuate low-reverse solenoid valve. If solenoid operation can be heard, go to next step. If solenoid operation cannot be heard, replace solenoid. See SOLENOID VALVES  under REMOVAL & INSTALLATION.
  2. Measure hydraulic pressure at reverse clutch with gearshift lever in "R" position. See HYDRAULIC PRESSURE TESTS  under PERFORMANCE TESTS. If pressure is within specification, go to next step. If pressure is not within specification, go to step  5 .
  3. Measure hydraulic pressure at low-reverse brake with gearshift lever in "R" position. See HYDRAULIC PRESSURE TESTS  under PERFORMANCE TESTS. If pressure is within specification, go to next step. If pressure is not within specification, go to step  5 .
  4. Remove valve body assembly. See REMOVAL & INSTALLATION in appropriate SERVICING article in AUTOMATIC TRANSMISSIONS. Air check reverse clutch and low-reverse brake. See Figure . If air checks are okay, go to next step. If air checks are not okay, go to step  6 .
  5. Disassemble valve body and inspect. See appropriate OVERHAUL article. Check for loose bolts, damaged "O" rings, valves and valve bodies. Repair or replace as necessary.
  6. Remove transaxle assembly. See appropriate REMOVAL & INSTALLATION article in AUTOMATIC TRANSMISSIONS. Disassemble transaxle and inspect reverse clutch and low-reverse brake. See appropriate OVERHAUL article. Check for burned clutch components, defective seals, and retainer interference. Repair as necessary. If symptom is eliminated, diagnosis is complete. If symptom is not eliminated, replace PCM. See appropriate REMOVAL, OVERHAUL & INSTALLATION article in ENGINE PERFORMANCE.
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