I NOTICED BRAKE FLUID ON DRIVEWAY. FURTHER INSPECTION SHOWS" HEAVY" RUST ON METAL BRAKE FLUID LINES ALONG FRAME. I FOUND LEAK IN METAL LINE ON LT REAR LINE MASTER CYL LEVEL WAS LOW . LEAK APPEARS TO HAVE STARTED WITHIN THE LAST FEW DAYS. . VEHICLE WAS PURCHASED NEW AND IS IN VERY GOOD CONDITION . I WORK WITH ANOTHER YUKON OWNER [ 2000 YUKON XL] . HE HAD EXACT SAME PROBLEM . LUCKILY I FOUND IT BEFORE ANY ACCIDENT OCCURRED. *TR
2003
ELECTRICAL SYSTEM: INSTRUMENT PANEL
DRIVING DOWN THE FREEWAY AND MY SPEEDOMETER STUCK AT SEVENTY, THEN WENT WOULDN'T DROP WHEN SLOWING DOWN. THEN WHEN STOPPED IT WAS AT SEVENTY. THEN WHEN I WENT TO THE STORE AND WAS GOING ABOUT THIRTY, IT REGISTERED I WAS GOING 105. WHEN TURNED OFF IT STAYS UP AT AROUND 70 TO 80. *TR