Fan belt pulley fell apart have a new one but cant budge the nut dont know wether its left hand or right hand thread car is a vauxhall frontera 2.2 d 1999. put the car in gear as its the lower pulley on the crank shaft
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Re: cant get the crankshaft pulley off
It's most likely right hand thread. You will have to use a large breaker bar to get enought leverage to remove this nut. Or you can use what ever you have and place a steel pipe on the end of it for extra leverage. If it doesn't budge, you may have to soak it in penetrating oil, and use an impact wrench. Make sure you remove the large washer under the nut "before" you remove pulley.
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its in my aldata book but my printer scanner isnt connected to the computer ,sorry about this but?wow this is a complicated one anyway for a fello brit ? round bottom crank pulley then up to right around fan pulley to the right and under and round the PAS up to the left so the back is running against this pulley then over to the right to alternator and around the alternator then to the left and back of belt under this pulley over water pump then back of belt against tensioner pulley and back down to crank.Right time to go watch TV now .
what i used to do to hold it and you need two people to do it.... is to have one person apply pressure to the fan belt so the pulleys would not turn.... then hold the fan blade with one hand and loosen the bolts
Leave the belt on, and put a screwdriver or other flat metal object across two of the bolt heads that are sticking out on the pulley to hold back. Make sure that you have sprayed the nut and threads with penetrating oil and let sit for five minutes before attempting. You may have to bump the wrench with a hammer while you are holding the pulley back with the other hand. The only other way is to use a really large pair of channel locks to hold back the pulley. The channel lock brand sells a plier called the "Big Azz". I suppose a large pipe wrench would do also if you could fit it in there.
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There is a special spanner wrench that you need to hold onto the water pump pulley (the 2 holes in the big pulley the belt rides on).
The tool has a Y shape to it with a handle coming off the bottom end of the Y. There will be 2 pins in the ends of the V that fit into the holes on the pulley (adjustable). You put the pins into the holes, grab the handle with the left hand, and put a 15 inch cresent wrench in the right hand onto the clutch nut. Pull up on the Y shaped tool handle with the pins, push down on the wrench to the left (counter clockwise) to un-screw the clutch from the pulley.
Then take the clutch off the fan after you have it out of the truck.
LEAVE THE BELT ON UNTIL YOU GET THE PULLEY LOOSE!!!
THEN, take the belt off, then the pulley/clutch asembly off, then the water pump (replace with a NEW - NOT REBUILT PUMP).
The new only costs 20 bucks or so more, and it is worth the headache of paying more while you have it apart. If the clutch is shot, the pump is close behind because of the vibrations ruins the seals/bearings on the pump, even though you cant hear the noise, it is there. Take the LOWER fan shroud completely off by removing the trans lines from the radiator. pull the fan out the BOTTOM of the Van. Leave the top shroud in place but take the screws out so you can manuever the lower shroud out. You also may have to remove the lower radiator hose and move it aside. Good time to change coolant anyway. And since you are in there on top, change the thermostat, while you are doing the cooling system service. Use a PREAMIUM BRAND thermostat, like a STANT, it will have a small vent hole with a valve in it hanging off the side edge of the thermostat that helps vent air from the system so it will not overheat. Trapped air can cause the cooling system to overheat, so dont put the thermostat in upside down! Point go's UP.
you dont need remove the fan or the fan shrow you can put the belt on by looping the belt partially on a fan blade and then turnning the fan blade kinda like a bicycle chain and if it is the power steering belt there is a guard over the top of the pulley just remove the 2 10 milimeter bolts and it will come right off
Fan clutch screws on to the water pump. You can loosen it with a big adjustable wrench (it is about 1 1/2" or 1 9/16" hex). Leave the bolts for the pulley in so you could wedge a screwdriver under a bolt head to keep the pulley from turning. Give the wrench a hard **** to loosen and it should turn off by hand. Right hand threads so you will be turning it counter clockwise to remove.
well if i remember correctly that fan clutch is reverse threads so in other words to loosen it you'll have to turn your wrench clockwise. they do this cuz the rotation of the fan will tighten itself onto the water pump. anyway what i do is leave the serpentine belt on the the pulleys and that will kinda hold them steady whilst you put the "special" wrench on the clutch and pop it loose you'll prolly need a cheater bar to make things easier but not too much or you'll overcome the traction of the belt and it will just slip.