How to Install a Belt Tensioner on a 3.8L Engine on 2010 Jeep Wrangler?

To install the accessory drive belt tensioner for the 3.8L engine, line up the indexing slot on the tensioner with the bolt head on the front cover. Install and tighten mounting bolt to 41Nm (30 ft.lbs.). Once the tensioner is fixed, put on the drive belt.

OEM 2010 Jeep Wrangler Belt Tensioner

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2010 Jeep Wrangler Belt Tensioner Part Number: 53032860AA
$117.92 MSRP: $177.00
You Save: $59.08 (34%)
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Product Specifications
- Other Name: Tensioner - Belt; Accessory Drive Belt Tensioner Assembly; Serpentine Belt Drive Kit; Serpentine Tensioner; Tensioner Belt
- Item Weight: 2.00 Pounds
- Item Dimensions: 3.2 x 3.8 x 7.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 53032860AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2010 Jeep Wrangler Submodels:
- 70th Anniversary, Rubicon, Sahara, Sport, Unlimited 70th Anniversary, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited X, X | 6 Cyl 3.8 L GAS

2010 Jeep Wrangler Belt Tensioner Parts and Q&A

Q: How to Install a Belt Tensioner on a 3.8L Engine on 2010 Jeep Wrangler?
A: To install the accessory drive belt tensioner for the 3.8L engine, line up the indexing slot on the tensioner with the bolt head on the front cover. Install and tighten mounting bolt to 41Nm (30 ft.lbs.). Once the tensioner is fixed, put on the drive belt.