Motor Oil Question
11-13-2011, 03:11 PM
#2
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Year: 1995
Model: Cherokee
Engine: 4.0
that's kind of personal preference. but i usually run valvoline 10w-40 or in the winter i like 5w-40. that's just what i use though. im sure others will say differently
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11-13-2011, 06:35 PM
#8
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Year: 1999
Model: Cherokee
Engine: 4.0
It depends on the outside temperature.
Above 60 degrees farenheit, I use 10-30
Below 60 degrees farenheit, I use 5-30
This is what is recommended by Jeep. I see no reason to vary from this recommendation.
Above 60 degrees farenheit, I use 10-30
Below 60 degrees farenheit, I use 5-30
This is what is recommended by Jeep. I see no reason to vary from this recommendation.
11-13-2011, 07:16 PM
#9
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Year: 1993
Model: Cherokee
Engine: 4.0 HO
I've found that once a motor gets high mileage, using a heavier oil works pretty well year 'round. I just use 10w40 in anything over 100,000 miles, and the manufacturer's recommendations for less than that.
11-13-2011, 07:25 PM
#10
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Year: 1998
Model: Cherokee
Engine: 4.0L HO
0W30, 5W30, 10W30 and straight 30 are all the same 30 vis at operating temp. The lower the 1st number, the quicker the flow at all/any temps below operating temp.
11-13-2011, 11:16 PM
#12
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Year: 1995
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