Jeep 2013 Wrangler - Owner Manual - Manual (Page 423)

CAUTION!
When descending a hill, be very careful to downshift
one gear at a time to prevent overspeeding the engine
which can cause valve damage, and/or clutch disc
damage, even if the clutch pedal is pressed.
Maximum Recommended Downshift Speeds
CAUTION!
Failure to follow the maximum recommended down-
shifting speeds may cause the engine to overspeed
and/or damage the clutch disc, even if the clutch
pedal is pressed.
Manual Transmission Downshift Speeds in MPH (KM/H)
Gear Selection 6 to 5 5 to 4 4 to 3 3 to 2 2 to 1
Maximum
Speed
80 (129) 70 (113) 50 (81) 30 (48) 15 (24)
NOTE: Vehicle speeds shown in the chart above are for
2H and 4H only, vehicle speeds in 4L would be signifi-
cantly less.
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