I need to pull the CP3 from my 2006 Jeep Liberty 2.8 crd. I bought the Miller VM.1067 tool so I won't lose the timing but can't get the tool to install. No directions came with it but I figure the small dogs must pass through the sprocket holes and lock the fixture to the sprocket. The dogs won't pass through the holes and I'm wondering if I need to grind them to fit? Has anyone used this tool and can give me some help?

You want to install the two cam locating pins. THEN using the appropriate cam gear tool to hold it steady, loosen the cam gear bolts. Now you can loosen the tensioner and remove the belt.

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GDE FT Ecotune, EHM, Weeks kit stage 1 & 2, Carter 4600 lift pump, Upgraded tranny, Fishing boat hauler!
New at 164K: head gasket, rockers, exhaust valves, ARP head studs, Injectors, 5v Bosch glow plugs, water pump, timing everything, serpentine everything,
New at 225k: new head, timing belt

Here's a write up from GDE, but like above 2 plugs on the left, and right front of cylinder head, remove them and install locking bolt pins.

Jeep Liberty CRD Timing Belt Replacement
Procedure (2.8l diesel)

Remove cooling fan. The fan assembly is best removed with a
very large crescent wrench on the nut just behind the fan viscous
coupling. Then hit the wrench in a counter clockwise direction
with a small sledgehammer. It may help to spray with penetrating
oil. Worst case, wedge something behind the fan drive pulley to
keep it from rotating and then use the sledge method.
Remove fan shroud (2-10 mm bolts)Remove accessory drive belt.
Remove both idler pulley (right hand thread, 16 mm) (a), power
steering pump (3 bolts that you get to by rotating the pulley, 10
mm) (b), accessory belt tensioner (c), cooling fan pulley and
bracket( 4-13 mm bolts) (d), crankshaft pulley/damper (4-10mm
bolts, you may need to hold the pulley by the 21 mm center bolt)
(e), and alternator (2-13 mm bolts on the front and 1-15 mm on
the back side-note you will have to loosen the 2-13 mm bolts for
the bracket that holds the alternator to the cylinder head) (f) .
Remove the front timing cover (7mm bolt x 17)
Remove both plugs in the camshaft cover (one on intake side
behind alternator placement, one on exhaust side behind
thermostat area). Remove the plugs with a 5mm hex.
Rotate the engine clockwise only with a 21mm socket on the
front of the crankshaft until a 6mm hex key engages the hole in
the flexplate/flywheel. There is also a timing mark on crankshaft
front hub that will be 90 degrees ATDC when crank is properly
timed.
Inspect the two openings in the camshaft cover to see if the holes
in the camshafts align. If so, install the two pins into the
respective camshaft. If not, rotate the engine 360 degrees at the
crankshaft, re-inspect and install pins.

Loosen the timing belt tensioner and rotate counterclockwise by
hand until slack is sufficient to remove the belt from the pulley.
Remove the old timing belt; discard when the refitting operating
is completed successfully.
Attach cam gear holding tool and tighten. Remove exhaust and
intake cam pins. Loosen both camshaft pulleys by rotating the
bolt (17mm) counterclockwise. It is sufficient to have them loose;
they do not need to be removed. Reinstall the cam pins.
Ensure that the high-pressure fuel pump pulley is oriented
properly (see picture) and fit the new belt to the engine. With the
belt properly installed around the pulleys, tension the timing belt
with the pulley as shown in the picture. If the proper handle isn’t
available, the pulley can be moved with two 3mm hex keys.
Rotate the tensioner until the proper gap on the pulley is
achieved. Tighten the center fixing bolt to 30N-m.
Install the cam gear holding tool and tighten to obtain proper belt
position with respect to the cam gears. Then torque the two
camshaft pulley bolts to 80 ft-lb.
Remove the two camshaft pins and crankshaft pins and rotate the
engine 720 degrees and verify that the timing belt tensioner is
still in the proper orientation.
Reinstall the timing belt cover and all ancillary components.

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20 year owner of Libby CRD!
2006 LTD Bright Silver loaded with all the needed mods, CCV intact.
Equipped with HDS thermostat, plenty of heat, faster warm-ups, increased fuel mileage.