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What is this ?

2500 hd

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I had a 18 Wrangler with the 3.6 engine.
I just bought a 21 Wrangler with the 3.6, on top of the engine it has a pump looking device .
My 18 didn't have it; what is it and what does it do ?
Thanks..
Jeep Wrangler JL What is this ? IMG_8489
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DavidArmen

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It’s is the vacuum pump for the brake booster. It’s been relocated there in the eTorque models like my 3.6 eTorque
 

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JeepAtLast

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Holy Crap! That Alternator is backwards, does that mean it will discharge the battery instead of charging it???? Also, would that be covered under warranty?
 

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JimLee

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Holy Crap! That Alternator is backwards, does that mean it will discharge the battery instead of charging it???? Also, would that be covered under warranty?
Shhhh, every time someone says "battery" a Jeep doesn't start. Sorry whoever caught this one.
 

JeepAtLast

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Ohhhhh my bad! Sorry! I shall refer to it as a lead acid thingy from now on!
 
 



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