Oil Pump Drive Spline
09-25-2007, 01:20 PM
#1
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Location: I live in Red Bluff ca. Right by the Sacramento river
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Oil Pump Drive Spline
I have asked a few questions on here and you guys have been pretty helpful, and we all know the best way to learn is to ask questions. So, I need to know how I get the oil pump drive spline off, in my manual it doesnt mention, needing special tools, and shows a picture of a hand removing it. I pull on mine, and it doesnt move, stuck a screwdriver behind it, and it moves a little, but doesnt seem like the right way to take it off, and I dont want to hurt anything. Do you guys know what I should do? For those who dont know, Its the gear that sits on the crank right behind the oil pump cover.
09-25-2007, 06:27 PM
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Well, you dont say which motor you have, but from your sig I am going to guess an 81 with a 20r? I have no experience with a 20r, but on my 22r its like you said, it just pulls off. Hope that helps.
03-05-2011, 04:57 PM
#5
most likely the crank keys have been flattened .. sometimes when they are installed , people use hammers 
.. and they then will bind .
removal can be accomplished using a gear puller
as for the above post .. Yes , it should slide on fairly easly .. I would say look at your crank key .. it's probably restricting the install
.
.. and they then will bind . removal can be accomplished using a gear puller
as for the above post .. Yes , it should slide on fairly easly .. I would say look at your crank key .. it's probably restricting the install
.
03-05-2011, 05:03 PM
#6
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yup, FYI, those crank keys should be replaced every time you have the crank pulley off. But if they are kit with a metal hammer when putting them into the crank, then the tops will mushroom out making it difficult to put the pulley back on.
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07-15-2011, 11:05 PM
#9
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The oil pump on my 86 4Runner grenaded its self and the drive gear. When i removed the oil pump it was nothing but chunks of metal inside. I had to replace the drive gear and oil pump, and everything came a part very easy, even the drive gear on the crank shaft, it just pulled off and the new one went right back on.
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