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fuel pumps ( diesel pumps) that are belt driven are spring loaded for the timing
you cannot remove and replace the belt as the pulley will move 1 tooth put of time
check where the timing mark on the pump pulley is when the crank and camshaft marks are on the spot and readjust to the mark where it should be
The following steps need to be taken to remove the pump.
1. Remove the ribbed belt. Compress the tensioner and remove the belt. Remove the ribbed belt tensioner.
2. Remove the upper timing belt cover.
3. Align your timing belt marks. The following pictures are for the cam timing mark, the flywheel timing mark for an automatic, flywheel timing for a manual and the marks on the harmonic balancer.
4. loosen the timing belt. There is a 13mm head nut that keeps the tensioner in place. Loosen this nut and turn the tensioner clockwise to get come slack in the belt. You are going to need a tool to get tension back on the belt. I use the tool pictured (picture of how to tension the belt) but know of people using snap ring pliers to rotate the tensioner.
5. Slip the timing belt off of the cam drive sprocket and off of the water pump.
6. Remove the water pump retaining bolts pictured and remove the water pump. The pump can often be stuck in place. A screwdriver carefully used can help in getting the pump
7. Moisten the o-ring with coolant before installing the new pump. Install the new pump.
8. Install the belt and tension as shown in the picture attached above. Turn the engine over by hand through a full revolution of the cam gear. Re-check the timing marks. The marks will often be off, don't be discouraged by this, it happens to everyone. If the marks are off loosen the belt and slip it the amount of teeth needed to align the marks.
9. Install the items taken off during the removal of the pump, fill the system with coolant and start the engine. The system will pretty much bleed itself out as it reaches operating temperature.
timing marks are easy to see,(on the top of gears and line up with the metal indents above them) change the water pump it idles on it... you need a cam holder to hold your cam gears in place when changing they will spin when you take off the old belt... it is an easy timing belt for a *** V6...!
yes you will have to remove the timing belt and crank pully. It is not as bad as it looks. You might as well, while you are in there, change the thermostat and new Timing belt and tensioner pully.
The trick I use, (and I have done hundreds of Timing belts) I use a good paint pen to mark the timing belt and gears. make sure to mark it so you know what marks are for what cam and crank. and which direction it goes. then on the new belt crefully transfer the marks. then it goes really smooth and there is no guessing hoping it is properly lined up on the factory marks. and you dont have to line every thing up before you take off the belt either. just mark it and remove it where the motor stopped..If you do it this way, you dont have to worry about trying to line up the cams and crank to there respective marks, just the ones you made, then there is no mistake.
not to bad a job, the manuals make it sound worse than it is, remove radiator ( better than damaging it ),all the pulleys have timing marks on them that align with marks on heads also the new belt will have marks on also ,which also lineup with marks on the pulleys, if needed this is a good time to replace the camshaft seals ,if the water pump needs replacing then yes its agood time to do it ..
Drain the cooling system. Refer to Section 03-03 for the procedure.
Disconnect the battery ground cable (14301) .
Remove the generator drive belt, water pump and power steering pump drive belt, and the A/C compressor drive belt (if equipped). Refer to Section 03-05 for the removal procedure.
If equipped, remove the three A/C compressor drive belt idler pulley bolts and the A/C compressor drive belt idler pulley.
Remove the upper radiator hose bracket bolt.
Loosen the two upper radiator hose clamps and remove the radiator hose bracket bolt. Remove the upper radiator hose (8260) and the upper radiator hose bracket from the vehicle.
Remove the water bypass hose (8597) from between the thermostat housing and the water hose connection (8592) .
Remove the main wiring harness from the upper engine front cover (6019) .
Remove the eight upper engine front cover bolts and the upper engine front cover .
Raise and support the vehicle.
Remove the RH front wheel and tire assembly.
Remove the four RH outer engine and transmission splash shield bolts and two screws and remove the RH outer engine and transmission splash shield (6775) .
Use Strap Wrench 303-D055 (D85L-6000-A) or equivalent to hold the water pump pulley (8509) while removing the four water pump pulley bolts.
Remove the water pump pulley from the water pump (8501) .
Remove the crankshaft pulley (6312) . Refer to the procedure in this section.
Remove the five lower engine front cover bolts and the lower engine front cover .
Ensure that the timing marks between the crankshaft sprocket (6306) and the oil pump housing line up.
NOTE: The directional arrow is necessary to ensure that the timing chain/belt (6268) can be reinstalled in the same direction.
Loosen the timing chain/belt tensioner nut.
Remove the timing chain/belt .
Installation NOTE: Ensure that the timing marks on the camshaft sprockets (6256) and the seal plate are properly aligned. Ensure that the timing marks on the crankshaft sprocket and the oil pump housing are still aligned.
NOTE: A new timing chain/belt has three white timing marks that indicate the correct timing positions of the camshafts (6250) and the crankshaft (6303) . These marks will help ensure that the engine (6007) is timed properly. When the engine is properly timed each white timing mark on the timing chain/belt will be aligned with the corresponding camshaft and crankshaft timing mark on the sprocket. Because the white timing marks are not evenly spaced you will need to refer to the following illustration for proper timing chain/belt placement. There should be 40 timing belt teeth between the timing marks of the front and rear camshaft sprockets and 43 teeth between the timing mark on the front camshaft sprocket and the timing mark on the crankshaft sprocket .
NOTE: Verify that the camshaft timing marks are aligned with the timing marks on the seal plate, and that the crankshaft sprocket timing mark is aligned with the timing mark on the oil pump (6600) .
Install the timing chain/belt starting at the crankshaft sprocket and moving around to the camshaft sprocket following a counterclockwise path. Do not allow any slack in the timing chain/belt between the timing sprockets. After all of the timing marks are matched up with the timing chain/belt installed, slip the timing chain/belt onto the timing chain/belt tensioner .
hi did the water pump callapse and cause the car to stop or was it running and you decided to change the the pump and before you took the belt off did you line the timming marks up just let me know and lets see if we can get it going for you yates210456