MY 2004 HEMI DURANGO LTD RANDOMLY STALLS AT START-UP OR WHILE DRIVING. IT ALSO WILL STUDDER OR LOOSE SIGNIFICANT POWER DURING ACCELLERATION. ALL THIS OCCURS RANDOMLY. DEALER COULD NOT REPAIR BECAUSE THERE WAS NOT FAULT CODE? *AK
2012
SERVICE BRAKES, HYDRAULIC
WHAT HAPPENS: INCONSISTENT AND INTERMITTENT TEMPORARY BRAKE/POWER FAILURE. BRAKE PEDAL TEMPORARILY BECOMES EXTREMELY HARD AND HIGH WITH ALMOST NO PEDAL MOVEMENT OR NO/MINIMAL PERCEIVED BRAKING. SUSTAINED MAXIMUM PEDAL PRESSURE (UP TO 5 SECONDS) AND THE BRAKES MAGICALLY RETURN. PEDAL DEPRESSED TO THE STOPS, IMMEDIATELY ENGAGING THE ABS AND MAXIMUM PANIC STOP. BRAKE PEDAL CAN MODULATED IF EXPERIENCING THE UNEXPECTED PANIC STOP. WHEN IT OCCURS OR CAUSES IT TO OCCUR: MORNING COMMUTING (HIGHWAY AND FREEWAY DRIVING): IMMEDIATELY APPLY THE BRAKE PEDAL AFTER 75%-100% ACCELERATION FROM 0-65 MPH ON THE ENTRANCE RAMP OR FROM FREEWAY STOP LIGHT. TRANSMISSION MUST SHIFT AT AROUND 60 MPH. FREEWAY DRIVING (IMMEDIATELY APPLYING THE BRAKE AFTER ANY OF THESE CONDITIONS) MERGING AND ACCELERATING INTO TRAFFIC, MAINTAINING STEADY SPEED UP LONG GRADES REQUIRING INCREASING PEDAL PRESSURE, SLOWLY ACCELERATING FROM 45-65 MPH SUCH THAT THE TRANSMISSION DOES NOT SHIFT DOWN, TRAILER TOWING: ANY LONG STEADY PULL MAINTAINING 40-60 MPH HIGHWAY SPEED WHILE IN HIGH GEAR. COLD MORNING 5-10 DEGREE F. TOOK 8-10 BLOCKS FOR THE BRAKE PEDAL TO BE NORMAL. STARTED OUT HIGH/HARD/ ALMOST NO BRAKES AND SLOWLY GOT BETTER THEN WORKED NORMALLY. DEALER RESULTS: DEALER REPLACED MASTER CYLINDER. DEALER CAN REPRODUCE RESULTS. STATES ALL TEST DIAGNOSTICS SHOW THE BRAKING SYSTEM IS WORKING AS EXPECTED AND DESIGNED. SYMPTOMS STILL OCCURRING. ..UPDATED 02/06/14 *BF
