Cylinder location

Tiny
JEPWO6
  • MEMBER
  • 2008 DODGE NITRO
  • 4.0L
  • V6
  • 4WD
  • AUTOMATIC
  • 136,000 MILES
In my service manual it gives a fire in order as 123456, it says 246 left Bank, 135 right bank, i’m confused as to what that means, does it mean 135 on the passenger side or 135 on the driver side when I look online they said on that engine it was turned backwards further confusing me any help you can give would be greatly appreciate it it’s a 2008 dodge nitro 4.0l v6, thanks.
Monday, June 6th, 2022 AT 12:38 PM

6 Replies

Tiny
STEVE W.
  • MECHANIC
  • 14,583 POSTS
Different engines and makers lay out their engines in different ways. Normally cylinder number one will be the cylinder farthest to the front of the engine.
In the case of your engine the "backwards" would be as compared to other makes. Cylinder one on that engine is the first cylinder on the passenger side. Then behind it are 3 and 5 The driver's side then becomes 2-4-6.
Now if you take that same engine and turn it sideways like in a front wheel drive. The numbers stay the same, so in that case 135 would be the side of the engine facing the firewall and 246 would be the bank facing the radiator.
Hope that helps.
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Monday, June 6th, 2022 AT 2:09 PM
Tiny
JEPWO6
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The image in my service manual is the opposite of the of the image you sent. Does that make a difference?
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Monday, June 6th, 2022 AT 10:59 PM
Tiny
JEPWO6
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This is the way it looks in my service manual. I didn’t know how to upload it when I first responded.
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Monday, June 6th, 2022 AT 11:13 PM
Tiny
STEVE W.
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Same thing, just the one I posted would be if you were standing in front of the car, your image shows the layout from the driver's seat. Note, the arrows showing the direction of the front of the vehicle.
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Tuesday, June 7th, 2022 AT 2:32 AM
Tiny
JEPWO6
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Thank you so much for clearing that up for me. I could not see it that way before you explained it. I really appreciate you responding so quickly. Thank you.
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Tuesday, June 7th, 2022 AT 4:58 AM
Tiny
STEVE W.
  • MECHANIC
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Just don't expect every engine to have the same layout. It can get a bit interesting depending on the make and engine.
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Tuesday, June 7th, 2022 AT 5:05 AM

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