[AT] OT Hay truck

[Cecil Bearden]

Steve:
I thought the same thing, but there are 2 filters in line on the right 
rear of the engine.  Which one is the primary the front or the back one?


On 7/22/2016 5:19 PM, Steve W. wrote:
> Cecil Bearden wrote:
>> My 1991 4700 IHC old Highway dept truck is in need of an oil change.
>> It has the DT360 turbocharged engine.  It has 2 oil filters.  My
>> questions is: do these filters connect in series or parallel.   There
>> are 2 filters listed, a 16 micron and a 24 micron.   The price
>> difference is a bunch.  If these are in series, then I would want to put
>> the 24 as a primary and the 16 as secondary.  If they are in parallel,
>> then I would just bite the bullet and install both as 16 micron.   It
>> has not been changed since I bought the truck.   The truck only gets
>> about 50 miles a year use...
>>
>> Cecil in OKla
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> Series, the 24 first then the 16.
> 24 catches the big crap, 16 gets the rest.
>