Damaged Crankshaft keyway - any way to fix without taking to a machine shop?
#1
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Damaged Crankshaft keyway - any way to fix without taking to a machine shop?
I have a D15b7 sitting in my garage waiting to be put in my EG. The only problem is that it has a Damaged keyway on the crank shaft snout.
So here's my question is there anyway to fix this? Without taking it to a machine shop.
(pics tomorrow)
So here's my question is there anyway to fix this? Without taking it to a machine shop.
(pics tomorrow)
#2
Re: Damaged Crankshaft keyway - any way to fix without taking to a machine shop?
If you tried building up the material a little and grinding it back into shape it may fix it...but that risks warping the crank and damaging the oil pump and seal.
I say it's just a D15B7, no big loss if it doesn't work. Go slow, give it a shot.
I say it's just a D15B7, no big loss if it doesn't work. Go slow, give it a shot.
#3
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Thread Starter
Re: Damaged Crankshaft keyway - any way to fix without taking to a machine shop?
I'm stuck at a cross roads of fixing it and putting it back in the car or getting a d16z6 and stuffing that in there.
Just trying to get other peoples view on what they would do in my shoes, maybe even some advice.
Just trying to get other peoples view on what they would do in my shoes, maybe even some advice.
#4
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Re: Damaged Crankshaft keyway - any way to fix without taking to a machine shop?
As thumper said, id just give it a shot of fixing it first, and if not then get the z6!
#5
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Re: Damaged Crankshaft keyway - any way to fix without taking to a machine shop?
I had something similar happen to a D15B, a shop before I owned the car lost the Woodruff key, and they ground a bolt down square to less than exacting standards and damaged the crank. I ended up welding a new key way into the crank, which eventually it snapped the snout which sent the crank pulley flying--at highway speed, in the throttle. Which lead to an eventual D16 upgrade.
I would recommend a good fix on this one...
I would recommend a good fix on this one...
#6
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Re: Damaged Crankshaft keyway - any way to fix without taking to a machine shop?
I just don't want to lose the 525 that they soaked me on this one.
But I want to upgrade :-/
But I want to upgrade :-/
#7
Re: Damaged Crankshaft keyway - any way to fix without taking to a machine shop?
525 for a d15? i may have a d16z6 fs in a month.
i just bought a b18 block with the same problem, but i just had a machine shop do it. sorry for lack of productive input.
i just bought a b18 block with the same problem, but i just had a machine shop do it. sorry for lack of productive input.
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#8
Honda-Tech Member
Re: Damaged Crankshaft keyway - any way to fix without taking to a machine shop?
Post a pic. I just fkd up mine theo ther week when I spun my crank pulley. But i managed to fix it with liquid steel and a new pulley and key. I tore the key in half and then the pieces of it tore the whole crank snout up. But its running again now and its been holding great for like 3 weeks now, and im making 350HP, so it should hold on your D15.
#9
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Re: Damaged Crankshaft keyway - any way to fix without taking to a machine shop?
wtf 525 for a d15 are you serious? I paid $75 for mine, threw some rings in there and 2 years later it runs beautifully
#10
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Re: Damaged Crankshaft keyway - any way to fix without taking to a machine shop?
Had the exact same thing happen to me.I made my own keyway.Made it a little bigger and jammed it on there and torqued the sucker! Worked fine after.Some jb weld would aid the process as well i would say.
#11
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Re: Damaged Crankshaft keyway - any way to fix without taking to a machine shop?
I had something similar happen to a D15B, a shop before I owned the car lost the Woodruff key, and they ground a bolt down square to less than exacting standards and damaged the crank. I ended up welding a new key way into the crank, which eventually it snapped the snout which sent the crank pulley flying--at highway speed, in the throttle. Which lead to an eventual D16 upgrade.
I would recommend a good fix on this one...
I would recommend a good fix on this one...
#12
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Re: Damaged Crankshaft keyway - any way to fix without taking to a machine shop?
#13
Re: Damaged Crankshaft keyway - any way to fix without taking to a machine shop?
I had this problem on my 93 del sol...
here's what you do;
Go to lowes or home depot and buy a carbide sharpener (can be found in the garden tools area for about $10).
Next find someplace to buy a bigger and slightly wider key for the crankshaft keyway (I would suggest Grainger as I could not find any place else to get one plus I did not have to purchases it the cashier was awesome).
Use the carbide sharpener to carve (from outside to bolt hole) into the keyway on the shaft until it it fits the new key(use your better judgement) (also, the new key may need to be shaved slightly to fit right). In my case the crankshaft bolt hole was stripped and I had to tap a bigger bolt size into it. Lastly get some thread lock and squirt some into the crankshaft bolt hole while jamming the flywheel, insert your new key onto your refitted keyway, place your necessary seals, put the balancer back on, torque your bolt down to spec (150 sq. ft. pounds) let it sit for about a solid day and you should be good to go. Hope this helps.
here's what you do;
Go to lowes or home depot and buy a carbide sharpener (can be found in the garden tools area for about $10).
Next find someplace to buy a bigger and slightly wider key for the crankshaft keyway (I would suggest Grainger as I could not find any place else to get one plus I did not have to purchases it the cashier was awesome).
Use the carbide sharpener to carve (from outside to bolt hole) into the keyway on the shaft until it it fits the new key(use your better judgement) (also, the new key may need to be shaved slightly to fit right). In my case the crankshaft bolt hole was stripped and I had to tap a bigger bolt size into it. Lastly get some thread lock and squirt some into the crankshaft bolt hole while jamming the flywheel, insert your new key onto your refitted keyway, place your necessary seals, put the balancer back on, torque your bolt down to spec (150 sq. ft. pounds) let it sit for about a solid day and you should be good to go. Hope this helps.
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