Thanks, no worries about cold here, we have had our few days of winter
(-8c). I doubt we'll see much more <0 degree weather here now.
I'll install some 15w40 and look for a decent shop here in Vancouver.
Thanks Tiger and Richard!
I'd stay away from the 10W40 as that oil doesn't have the same quality as
the 15W40 which is made for use in diesel engines with their higher
requirements. If you have a starting problem in cold weather change the glow
plugs to Bosch and/or install a block heater.
The weight of the oil and whether it's rated for diesel use are two
different things. Valvoline makes a 10W40 that is CF rated. That's
what I use in my 300SD in winter, as the owner's manual specifies that
for below about 25 deg, as opposed to 15W40, which is OK for above 25
deg temp. When in doubt, read the manual.
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