NHTSA Complaint #10255382 — 2002 NISSAN ALTIMA

ON EXTREMELY COLD DAYS (5 DEGREES F OR LOWER) I HAVE HAD SEVERAL INSTANCES WHERE THE BRAKES DO NOT STOP THE CAR WHEN THE CAR IS FIRST DRIVEN. THE CAUSE IS DUE TO APPARENT MALFUNCTION OF A CHECK VALVE IN THE VACUUM LINE TO POWER BRAKE BOOSTER. THE PEDAL REMAINS HARD (I.E. - THE PEDAL DOES NOT GO TO THE FLOOR). USUALLY AFTER A FEW SUBSEQUENT ATTEMPTS TO BRAKE, THE BOOST FUNCTION RETURNS AND THE BRAKES FUNCTION NORMALLY. MANY PEOPLE HAVE EXPERIENCED AND REPORTED THIS PROBLEM ON INTERNET FORUMS SUCH AS HTTP://WWW.NISSANCLUB.COM/FORUMS/2002-2006-NISSAN-ALTIMA-DISCUSSION-2-5-3-5/256153-COLD-WEATHER-BRAKING-ISSUE.HTMLINE. THIS IS VERY DANGEROUS AND IT IS ONLY BY LUCK THAT I HAVEN'T BEEN IN AN ACCIDENT SINCE IT HAS RESULTED IN BEING UNABLE TO STOP AT AN INTERSECTION. THIS SHOULD DEFINITELY BE THE RESPONSIBILITY OF NISSAN TO REPAIR AS A SAFETY RECALL. NISSAN HAS REDESIGNED THE PART AND IT IS VERY INEXPENSIVE (ABOUT $28) AND THE NEW HOSE/CHECK VALVE ASSEMBLY CAN BE REPLACED IN ABOUT 5 MINUTES. THE PART NUMBER FOR THE REDESIGNED VACUUM HOSE/CHECK VALVE IS 47430-L31002 FOR THE 3.5L V6 ENGINE. FOR THE 2.5L 4 CYLINDER ENGINE THE PART NUMBER IS 47430-L31001. IT'S CALLED A "TUBE-VACUUM". I PURCHASED AND INSTALLED THE PART MYSELF. SOME PEOPLE REPORTED THAT SOME DEALERS MISTAKENLY THINK THE POWER BRAKE BOOSTER ITSELF IS THE CAUSE OF THE PROBLEM AND HAVE REPLACED IT AT A COST OF UP TO $500 (AND DID NOT REPLACE THE HOSE) ONLY TO HAVE THE OWNER CONTINUE TO EXPERIENCE THE BRAKE FAILURE ON THE NEXT EXTREMELY COLD DAY. *TR