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438 TECHNICAL SPECIFICATIONS
Fuel Water Separation — Must Use Mopar/
Cummins Approved Fuel Filter Elements
You must use Mopar/Cummins approved fuel
filter elements in both your engine mounted
filter and frame mounted filter.
Biodiesel fuel has a natural affinity to water and
water accelerates microbial growth. Your
Mopar/Cummins filtration system is designed
to provide adequate fuel water separation
capabilities.
Bio-Diesel Fuel Properties — Low Ambient
Temperatures
Biodiesel fuel may gel or solidify at low ambient
temperatures, which may pose problems for
both storage and operation. Precautions can be
necessary at low ambient temperatures, such
as storing the fuel in a heated building or a
heated storage tank, or using cold temperature
additives.
Fuel In Oil Dilution — Must Adhere To
Required Oil Change Interval
Fuel dilution of lubricating oil has been observed
with the use of biodiesel fuel. Fuel in oil must not
exceed 5%. To ensure this limit is met your oil
change interval must be maintained to the
following schedule:
Ram 3500/4500/5500 Chassis
Cab — 12,500 Miles (20,000 km)*
(*unless otherwise notified with a oil service
message)
CAUTION!
Under no circumstances should oil change
intervals exceed 12,500 miles (20,000 km)
if operation occurs with greater than 5%
biodiesel blends. Oil change intervals should
not exceed six months in either case. Failure
to comply with these Oil Change require-
ments for vehicles operating on biodiesel
blends up to B20 may result in premature
engine wear. Such wear is not covered by the
New Vehicle Limited Warranty.
B20 Biodiesel capable: The engine may
suffer severe damage if operated with
concentrations of Biodiesel higher than
20%.
21_DPF_OM_EN_USC_t.book Page 438
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