5w30 for cold weather and 10w30 or 10w40 for hot weather.
10w30
what Cain of oil pump those my jeep Cherokee 1997 4.0 have? what Cain of oil pump those my jeep Cherokee 1997 4.0 have?
The Jeep Grand Cherokee did not come out until 1993. It used a 5281090 Mopar filter.
That is an oil level sensor.
10w30
Right side of the oil pan.
http://autozone.com/home.htm
10w30
5w30
5w30
The oil pump is inside the oil pan on the bottom of the engine.
10w30