How to Address Issues with the Hydraulic Timing Chain Tensioner on the Left-Hand Side of a Mercury Mountaineer?

The next step to service the left-hand hydraulic timing chain tensioner is to remove it. In reinstallation tighten it to 44 Nm (32 ft. lbs. ). Then take away and dispose of the old washer. In the installation process, do reverse of the removals and make sure that a new hydraulic chain tensioner washer is fitted.

How to Service the Right-Hand Timing Chain Tensioner on Mercury Mountaineer?

In order to service the hydraulic chain tensioner on the right side, loosen the existing tensioner and replace it with the new one making sure to tighten it to 44 Nm (32 ft. lbs.).Apply clean engine oil on the new O-ring seal and dispose the old.Installation Completely Reversing the removal process.

OEM Mercury Mountaineer Timing Chain Tensioner

Engine Timing Chain Tensioner

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4 Timing Chain Tensioners found

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Mercury Mountaineer Tensioner, Driver Side Part Number: F6AZ-6L266-CA
$49.43 MSRP: $70.72
You Save: $21.29 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tensioner - Timing Chain; Timing Belt Tensioner; Timing Belt Kit
- Position: Driver Side
- Replaces: F6AZ-6L266-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Tensioner, Passenger Side Part Number: 1L3Z-6L266-AA
$47.29 MSRP: $58.48
You Save: $11.19 (20%)
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Product Specifications
- Other Name: Tensioner - Timing Chain; Balance Shaft Tensioner; Timing Belt Tensioner; Timing Belt Kit; Belt Tensioner
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Tensioner, Lower Part Number: 1L2Z-6L266-AA
$21.46 MSRP: $30.43
You Save: $8.97 (30%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Balance Shaft Tensioner; Timing Belt Tensioner; Timing Belt Kit; Belt Tensioner
- Manufacturer Note: Balance shaft tensioner, SOHC
- Position: Lower
- Replaces: XL2Z-6L266-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Mountaineer Tensioner, Driver Side Part Number: XL1Z-6L266-AA
$42.66 MSRP: $61.03
You Save: $18.37 (31%)
ADD TO CART
Product Specifications
- Other Name: Tensioner - Timing Chain; Balance Shaft Tensioner; Timing Belt Tensioner; Timing Belt Kit; Belt Tensioner
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Luxury, Premier | 8 Cyl 4.6 L GAS

Mercury Mountaineer Timing Chain Tensioner

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Mercury Mountaineer Timing Chain Tensioner Parts and Q&A

Tensioner, Lower
1L2Z-6L266-AA
Q: How to Address Issues with the Hydraulic Timing Chain Tensioner on the Left-Hand Side of a Mercury Mountaineer?
A: The next step to service the left-hand hydraulic timing chain tensioner is to remove it. In reinstallation tighten it to 44 Nm (32 ft. lbs. ). Then take away and dispose of the old washer. In the installation process, do reverse of the removals and make sure that a new hydraulic chain tensioner washer is fitted.
Tensioner, Passenger Side
1L3Z-6L266-AA
Q: How to Service the Right-Hand Timing Chain Tensioner on Mercury Mountaineer?
A: In order to service the hydraulic chain tensioner on the right side, loosen the existing tensioner and replace it with the new one making sure to tighten it to 44 Nm (32 ft. lbs.).Apply clean engine oil on the new O-ring seal and dispose the old.Installation Completely Reversing the removal process.