Question about 2002 Jeep Wrangler

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What weight of oil does an 02 Jeep wrangler take with the 4.0 engine

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5w 30

Posted on Jun 27, 2009

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02' jeep wrangler oil pressure goes all the way up


your pressure sending switch could be going bad id try replacing that first its easier and cheaper. make sure the oil level is not too high also.if all is good then the switch can be bad or the gauge itself.

Sep 17, 2011 | 2002 Jeep Wrangler

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What type of oil should be used with a 1990 Jeep Wrangler 4-Cylinder? Would SAE 10W-30 be okay?


Oil is always a somewhat controversial topic.So many people have so many different opinions of brands of oil, blends and weights to run. Personally, I dont deviate to much from the factory recommendations in my car. My logic is they have tested the cars durability with the oil and would have stood behind warranty claims in the earlier years of the cars life. That being said, 5w-20 is the latest recommended oil.

That aside the history of oil for the jeeps originally started with recommending 10w 30 to 5w 30 to 5w 20.

Good luck.

May 26, 2011 | 1990 Jeep Wrangler

1 Answer

I have a 98 TJ 2.5, does anyone know if it has another numbers in the chassi? (except the three plates inside the car) tnanks


hi no there is only the ones on the inside the layout should be like this for your one


1 Country of Origin 1 = United States 2 Make J = Jeep 3 Vehicle Type 4 = MPV 4 Gross Vehicle Weight Rating E = 3001-4000 lbs.
F = 4001-5000 lbs. 5 Vehicle Line Y = Wrangler 4×4 6 Series 1 = Sport
2 = SE
4 = Sahara 7 Body Style 9 = Open body 8 Engine P = 2.5L Unleaded Gasoline
S = 4.0L Unleaded Gasoline 9 Check Digit 0 through 9, or X 10 Model Year W = 1998 11 Assembly Plant P = Toledo #2 12-17 Vehicle Build Sequence Six Digit Number

incase the picture did not come out

1 Country of Origin 1 = United States
2 Make J = Jeep
3 Vehicle Type 4 = MPV
4 Gross Vehicle Weight Rating E = 3001-4000 lbs.
F = 4001-5000 lbs.
5 Vehicle Line Y = Wrangler 4×4
6 Series 1 = Sport
2 = SE
4 = Sahara
7 Body Style 9 = Open body
8 Engine P = 2.5L Unleaded Gasoline
S = 4.0L Unleaded Gasoline
9 Check Digit 0 through 9, or X
10 Model Year W = 1998
11 Assembly Plant P = Toledo #2
12-17 Vehicle Build Sequence Six Digit Number

hope this helps.

Nov 13, 2010 | 1997 Jeep Wrangler

1 Answer

Burns oil


with out rebuilding the engine,using a heavy oil,like 20w 50 w,or strickly 50 weight motor oil,will help,along with maybe a quart of lucas oil treatment.If thei was helpful,please rate,and thank you.

Jun 17, 2010 | 1993 Jeep Wrangler

1 Answer

Just got a1999 jeep wrangler sport with a 4.0l 6cyl and 124,000 miles,what is the best oil and oil filter to use. anthony


There are several different oils to use. I would run a high mileage oil if possible, the brand really doesn't make a difference, but on the oil fill cap it will recommend the proper weight such as 5-30 or 5-20 or 10-40, etc. Proper weight in a high mileage oil is best. Oil filters are about the same way. FRAM being probably the most popular and widely used.

Chip

Apr 11, 2010 | 1999 Jeep Wrangler

5 Answers

Just need to know what wieght of oil to use


Well, it depends on what the average temperature is going to be in the area the vehicle will be used. There's probably no place in the Continental US you could not get by with 10W40.

Oil weight and viscosity and there temp. ranges:

oil_chart.jpg Hope this helps,
Mike...

Nov 21, 2009 | 1993 Jeep Wrangler

1 Answer

Describe your 1997 Jeep Wrangler 1997 jeep wrangler 4 cyl idle fluctuates 900 rpm to 400 rpm after warmup no service engine light but check guages light comes on momentarily when rpm gets low and oil press...


The check gauges light is normal because at 400 rpm it isn't running fast enough to build sufficient oil pressure. I am guessing maybe a vaccum leak???

Jul 10, 2009 | 1997 Jeep Wrangler

1 Answer

95 jeep wrangler: gauge indicates 0 oil pressure


Wire on oil sending unit may have fallen off or sensor itself may have gone bad. Check both. If engine has no tapping noises, likely it's not a pressure problem.

Jun 07, 2009 | 1998 Jeep Wrangler

1 Answer

97 wrangler oil pressure drops when engine is at idle


check the engine oil level... you could possibly need to replace the oil pump soon... if you do not live in a cold climate i would consider using 30 or 50 weight oil. do NOT use that in a cold climate as the oil is like molasses when it gets cold.
that's only temporary. one other thing to consider is a clogged oil filter... when was the last time it was changed ?

Robert

Dec 17, 2008 | 2002 Jeep Liberty

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