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Home >> Ford >> 2000 >> Excursion 7.3 F, RWD >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission - Diagnosis - 4R100 >> Diagnosis & Testing >> Transmission Solenoid Cycling & Drive Test (Dynamic Test) >> Coast Clutch Engagement

Coast Clutch Engagement

NOTE: On vehicles equipped with Power Take-Off (PTO), ensure unit is turned off to perform this test.

Accelerate and upshift vehicle into 3rd gear. Release throttle and depress CCS switch on tester. Coast clutch should engage and LED should light Green. Release CCS switch. CCS should deactivate. If CCS functions correctly, see SYMPTOM DIAGNOSIS under TROUBLE SHOOTING in FORD 4R100 OVERHAUL article for CCS engagement concerns. If CCS does not function correctly, perform TEST G  under SYSTEM TESTS or SYMPTOM DIAGNOSIS under TROUBLE SHOOTING in FORD 4R100 OVERHAUL article for CCS engagement concerns.