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Posted on Aug 09, 2010
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Jeep 4.0 firing order - 1998 Jeep Cherokee

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ZJ Limited

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  • Jeep Master 17,989 Answers
  • Posted on Aug 09, 2010
ZJ Limited
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1999 Jeep Cherokee 4WD 4.0 liter L6 VIN "S"

jeep 4.0 firing order - 71cf96f.gif

Hope this helps (remember rated this).

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  • Master 2,382 Answers
  • Posted on Aug 09, 2010
Anonymous
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Hi, For the 1998 Jeep Grand Cherokee Laredo:
I do not know if you have the 4.0L In-Line 6-Cylinder, the 5.2L V8, or the 5.9L V8; however I have included ALL below:

For the 4.0L In-Line 6-Cylinder:
Firing Order:
1-5-3-6-2-4
Cylinders:
(back)
...6
...5
...4
...3
...2
...1
(front)

Distributor:
....(back)
.....5....3..(+)-screw
1.............6
(+).4....2

For the 5.2L V8: AND 5.9L V8:
Firing Order:
1-8-4-3-6-5-7-2
Cylinders:
.......(back).......
|..8..|.........|..7..|
|..6..|.........|..5..|
|..4..|.........|..3..|
|..2..|.........|..1..|
.......(front)
Distributor:
.....(back)
.......3
..4.........6

8.............5
..1.........7
.......2
......(front)

Take care

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It's easy once you know the firing order of this 3.7L engine. FIRING ORDER 1,6,5,4,3,2 First take the firing order and split it down the middle, making two halves (165) and (432) Second stack the numbers.
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1975 Jeep CJ5 4.2L 1BL 6cyl the Firing Order

Firing order 1-5-3-6-2-4 ------------- front ' ' of ' 1 2 3 4 5 6 ' vehicle ' 'Distributor rotates clockwise

Good luck.
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Need firing order for 1998 Jeep Cherokee gand

For the 1998 Jeep Grand Cherokee Laredo:
I do not know if you have the 4.0L In-Line 6-Cylinder, the 5.2L V8, or the 5.9L V8; however I have included ALL below:

For the 4.0L In-Line 6-Cylinder:
Firing Order:
1-5-3-6-2-4
Cylinders:
(back)
...6
...5
...4
...3
...2
...1
(front)

Distributor:
....(back)
.....5....3..(+)-screw
1.............6
(+).4....2

For the 5.2L V8: AND 5.9L V8:
Firing Order:
1-8-4-3-6-5-7-2
Cylinders:
.......(back).......
|..8..|.........|..7..|
|..6..|.........|..5..|
|..4..|.........|..3..|
|..2..|.........|..1..|
.......(front)
Distributor:
.....(back)
.......3
..4.........6

8.............5
..1.........7
.......2
......(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!
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I need to know the firing order of my 1995 limited jeep grand cherokeemy spark plug wires are missing i have new wires i just don't know the firing order

For the 1995 Jeep Grand Cherokee:
I do not know if you have the 4.0L In-Line (Straight) 6-Cylinder or the 5.2L V8; however I have included bothe below.

For the 4.0L In-Line 6-Cylinder:
Firing Order:
1-5-3-6-2-4
Cylinders:
(back)
|..6..|
|..5..|
|..4..|
|..3..|
|..2..|
|..1..|
(front)
Distributor:
...(back)
....5...3.(+)-screw
1...........6
(+)4...2
...(front)

For the 5.2L V8:
Firing Order:
1-8-4-3-6-5-7-2
Cylinders:
.......(back)......
|..8..|........|..7..|
|..6..|........|..5..|
|..4..|........|..3..|
|..2..|........|..1..|
.......(front)
Distributor:
.......(back)
.........3
...4.........6
8...............5
...1.........7
.........2
.......(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!
5helpful
2answers

What is the firing order for a grand cherokee laredo. I change the distributor for sgrand cherokee laredo jeep. I lined up tdc, had the rotor turned to number 1, but it is still missing.

You didn't post your engine size so please choose the apprpriate diagram:



148dbd9.gif

1989-98 2.5L Engine firing order: 1-3-4-2 Distributor rotation: Clockwise



cc5a81b.gif


2.8L Engine firing order: 1-2-3-4-5-6 Distributor rotation: Clockwise



427e129.gif

4.0L Engine firing order: 1-5-3-6-2-4 Distributor rotation: Clockwise



35fbd17.gif

5.2L and 5.9L Engine firing order: 1-8-4-3-6-5-7-2 Distributor rotation: Clockwise
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Lost firing order

For the 1985 Jeep Grand Wagoneer:
I do not know if you have the 4.2L In-Line 6-Cylinder, or the 5.9L V8; however I have included both below:

For the 4.2L In-Line 6-Cylinder:
Firing Order:
1-5-3-6-2-4
Cylinders:
(back)
|..6..|
|..5..|
|..4..|
|..3..|
|..2..|
|..1..|
(front)
Distributor:
.....(back)
....5....3(+)-screw
1............6
(+)4....2
....(front)

For the 5.9L V8:
Firing Order:
1-8-4-3-6-5-7-2
Cylinders:
........(back)........
|...8...|.......|...7...|
|...6...|.......|...5...|
|...4...|.......|...3...|
|...2...|.......|...1...|
........(front)
Distibutor:
....(back)
(+).6....5
3.............7
4.............2
.....8....1.(+)-screw
.....(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

18helpful
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Firing order diagram for 1998 Jeep Cherokee Sport

1998 Jeep Cherokee 4WD 4.0L MFI 6cyl

To avoid confusion, tag and remove the spark plug wires one at a time, for replacement.
If a distributor is not keyed for installation with only one orientation, it could have been removed previously and rewired. The resultant wiring would hold the correct firing order, but could change the relative placement of the plug towers in relation to the engine. For this reason it is imperative that you label all wires before disconnecting any of them. Also, before removal, compare the current wiring with the accompanying illustrations. If the current wiring does not match, make notes to reflect how your engine is wired.

3359c2a.jpg

Fig. 1: The firing order can usually be found cast onto the intake manifold

b83cce1.jpg

Fig.: 1989-98 2.5L engine Engine firing order: 1-3-4-2 Distributor rotation: Clockwise

15d7835.jpg

Fig.: 2.8L engine Engine firing order: 1-2-3-4-5-6 Distributor rotation: Clockwise

ee028ff.jpg

Fig.: 4.0L engine Engine firing order: 1-5-3-6-2-4 Distributor rotation: Clockwise

226e0b9.jpg

Fig.: 5.2L and 5.9L engines Engine firing order: 1-8-4-3-6-5-7-2 Distributor rotation: Clockwise

Also, here can review the Jeep XJ Service Manual.

I hope help you with this, Good luck (remember rated this help).
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Looking for the proper firing order diagram for a 2000 Jeep Grand Cherokee

Firing Order 4.0L 6 Cyl = 1-5-3-6-2-4
Firing Order 4.7L V-8 = 1-8-4-3-6-5-7-2

For more details check the repair manual: Section-08d-Ignition-System-Ewj8d (page 21 / Ignition Timing).

Good luck (remember rated this help).
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Need to know firing order

6 cly firing order is 1-5-3-6-2-4
8 Cyl firing order is 1-8-4-3-6-5-7-2
4 cly firing order is 1-3-2-4
Not finding what you are looking for?

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