1995-1997 FORD EXPLORER TRANSFER CASE BINDING OR SHUDDER DIAGNOSTICS

Download FORD: 1995-1997 EXPLORER 2. Connect the New Generation Star (NGS) Tester ISSUE to the Data Link Connector (DLC) underneath The diagnostic procedure for binding or shudder the steering wheel. Monitor for any Diagnostic from transfer case in slow, tight turns while in 4 Trouble Codes (DTCs) set by the transfer case Auto mode may be inaccurate for some vehicles. that could indicate incorrect speed sensor function. Codes could include, but are not ACTION limited to: Diagnose transfer case binding or shudder concerns using the following Diagnostic Procedure. •P1836 – Front propshaft sensor circuit failure •P1837 – Rear propshaft sensor circuit failure DIAGNOSTIC PROCEDURE •P1874 – Hall effect sensor power short circuit to battery 1997 EXPLORER •P1875 – Hall effect sensor power circuit 1. Test drive the vehicle in 4 Auto, 4 High and 4 failure Low. Evaluate the vehicle in each of these NOTE modes. The vehicle should bind in turns in both ADDITIONAL CODES COULD BE SET AS WELL. 4 High and 4 Low, but not in 4 Auto. The 4 PLEASE REFER TO THE APPROPRIATE YEAR High mode is intended for severe winter EXPLORER SERVICE MANUAL FOR COMPLETE weather or off-road driving only. It is not LISTING AND EXPLANATION. intended for use on dry or merely wet pavement. 3. If any of the DTCs in the above Step 2 are set, remove the corresponding speed sensor and 2. Verify the instrument panel has the proper 4X4 replace accordingly. Drive the vehicle to verify if selection label (Figure 1). Proceed to 1995-97 the shudder/binding has been eliminated. Send Explorer heading, Step 1. replaced speed sensor to the Ford Warranty 1995-97 EXPLORER Parts Return Center, Canton, MI. NOTE 4. Using NGS Tester, monitor the Parameter 4 AUTO IS THE FAR LEFT SWITCH POSITION Identification Display (PID) on the transfer case ON 1997 MODELS AND IS THE MIDDLE clutch duty cycle. If the 4 Auto mode reads POSITION ON 1996 MODELS. something higher than one (1), verify speed sensors have not set any Generic Electronic 1. If during test driving, the vehicle shudders or Module (GEM) DTCs and follow the speed binds in 4 Auto during slow forward or reverse sensor diagnostic procedure in the above Step parking lot maneuvers, proceed to Step 2.