User Manual

Sheet No.

Issue Date:

6484 Ford Timing Chain Tensioner Tool

Application: 1997 – 2002 4.0L SOHC V6 Ford Explorer, Mercury Mountaineer

1. Remove the hydraulic chain tensioner from the

engine.

2. Install tool No. 6484 (511552) into the engine

to hold pressure on the timing chain during the

cam timing procedure.

3. Adjust camshaft timing according to instructions

in the vehicle service manual.

4. Torque fasteners to factory specifications.

WARNING: Wear eye protection that

meets ANSI Z87.1 and OSHA standards.

No. 6484

(511552)

NOTE: Same as Ford No. 303-571 (T97T-6K254-A).

6482 Ford Camshaft Gear Holding Tool Adapter

Application: 1997 – 2002 4.0L SOHC V6 Ford Explorer, Mercury Mountaineer

Note: This tool is used with No. 6478 (511546) Ford

Camshaft Gear Holding Tool .

1. Install tool Nos. 6478 (511546) and 6482 (511550)

on the camshaft as shown.

2. Secure tool No. 6478 (511546) to the cylinder

head.

3. Service the timing chain as required according to

instructions in the vehicle service manual.

4. Torque fasteners according to factory

specifications.

WARNING: Wear eye

protection that meets ANSI Z87.1

and OSHA standards.

No. 6478

(511546)

No. 6482

(511550)

NOTE: Same as Ford No.

303-578 (T97T-6256-A).

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5/23/02, Rev. A

Parts List & Operating Instructions Form No. 107266