|
Home | Rules & Guidelines | Register | Member Rides | FAQ | Members List | Social Groups | Calendar | Mark Forums Read |
Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
|
Thread Tools | Display Modes |
03-04-2016, 09:04 AM | #1 |
Zilvia Addict
|
How to tighten crank pulley?
Yes I searched but couldn't find a definite answer.
So this is a really noob question but how do you tighten the crank pulley (KA24DE)? I bought a motor and that bolt is loose (supposedly it was a good motor but now I'm thinking it's a bad motor because the bolt is loose). The motor is out of the car. Could I tighten the crank pulley by chaining the flywheel bolt holes to one of the transmission holes on the block? That's how I've always installed my flywheel so would it work the same as tightening the crank pulley? All suggestions are welcome. Thanks! |
Sponsored Links |
03-04-2016, 09:28 AM | #2 |
Zilvia FREAK!
|
If the motor is out of the car stick a pry bar between the flywheel teeth and wedge the bar against a bell housing bolt.
|
03-04-2016, 10:11 AM | #3 |
Zilvia Addict
|
|
03-04-2016, 10:43 AM | #4 | |
Zilvia FREAK!
Join Date: Jun 2010
Location: Toronto, ON
Age: 33
Posts: 1,182
Trader Rating: (0)
Feedback Score: 0 reviews
|
Quote:
I had a hell of a time using that method to torque down my flywheel. The tip of the breaker bar was too wide to fit deep enough in the teeth of the flywheel and kept slipping. I'm buying a flywheel lock tool for future jobs that involve the clutch or crank pulley. |
|
03-04-2016, 11:22 AM | #5 |
Premium Member
Join Date: Jun 2003
Location: torrance, ca
Age: 39
Posts: 12,407
Trader Rating: (129)
Feedback Score: 129 reviews
|
this is the correct tool
http://www.summitracing.com/parts/li...FQcLaQodzCsPpg |
03-04-2016, 11:27 AM | #7 |
Zilvia FREAK!
Join Date: Jun 2010
Location: Toronto, ON
Age: 33
Posts: 1,182
Trader Rating: (0)
Feedback Score: 0 reviews
|
Can you get that tool through the inspection hole to lock the crank with trans still on?
I was thinking something like this: You could, but the only think locking the crank would be the friction of the clutch disc. |
03-04-2016, 12:24 PM | #9 |
Zilvia FREAK!
|
I wouldn't do that because it would be like hitting all you main bearings with a hammer, and impacts don't stop at torque spec.
|
03-04-2016, 03:46 PM | #10 |
Post Whore!
Join Date: Jul 2005
Location: South Florida
Age: 38
Posts: 4,649
Trader Rating: (17)
Feedback Score: 17 reviews
|
A little pipe wrench around the crank pulley works in a pinch for tightening (crank or flywheel)
for loosen, I put the ratchet handle against a block of work and bump the starter. |
03-04-2016, 03:50 PM | #11 |
Zilvia FREAK!
|
Use a wrench and bolt the closed end to the head or something on the same plane as the flywheel and use the open end to hold the flywheel teeth. Below is an SR I did this on.
__________________
|
03-04-2016, 04:00 PM | #12 |
Premium Member
Join Date: Jun 2003
Location: torrance, ca
Age: 39
Posts: 12,407
Trader Rating: (129)
Feedback Score: 129 reviews
|
/\/\/\/\/\ I'm a big fan of that method.
|
03-04-2016, 05:03 PM | #13 |
Zilvia FREAK!
Join Date: Dec 2013
Location: nation of Texas
Age: 25
Posts: 1,302
Trader Rating: (4)
Feedback Score: 4 reviews
|
this is easiest, use a tranny bolt and put a socket up against it
I learned it from club 4age via google then just use an impact gun to tighten it up, when you start to torque on it, it usually just rolls the engine over (unless you have it stabilized by something real sturdy.) I had my little bro prying against it with a big pipe wrench on the driveline piece that came with the engine, and it would still torque the engine on it's side when trying to use a torque wrench. impact gun was easy and it wasn't a problem |
03-04-2016, 06:42 PM | #14 |
Zilvia Addict
|
Damn those methods look questionable. What are the chances of braking the tooth off the flywheel? With my luck, Id probably be the first to strip the tooth X_X"
That draper tool (daper? Lelz) looks much better. Derass, have you tried that on a sr20? |
03-04-2016, 07:56 PM | #15 |
Zilvia FREAK!
Join Date: Jun 2010
Location: Toronto, ON
Age: 33
Posts: 1,182
Trader Rating: (0)
Feedback Score: 0 reviews
|
I agree, these are all more sketchy than I'd like to try. I learned that from my experience with the pry bar and will not be repeating that. It must have slipped 10-20 times during torquing. I cringed every time, but thankfully there was no damage.
I do not own that tool I posted, but will get something similar in the future. If you do an image search on Google for a "flywheel lock tool" you will see that there are many different styles available. I chose to post that one because it looks the best (and is probably the most expensive). I like that design because of the range of adjustment and the fact that it uses 2 securing points rather than 1 that you will see with some of the other styles. They're all universal tools so I'm confident that most would work with the SR. |
03-04-2016, 10:23 PM | #17 |
Nissanaholic!
|
I put the engine on engine stand place a long either pry bar or extension between the flywheel bolts and use that to hold it...in the vehicle I shove some screwdrivers between several teeth and these methods have always held
|
03-05-2016, 03:39 AM | #18 |
Post Whore!
Join Date: Jul 2005
Location: South Florida
Age: 38
Posts: 4,649
Trader Rating: (17)
Feedback Score: 17 reviews
|
The flywheel should be really easy. First of all the torque is not that high for those bolts.
Second of all, is everyone overlooking the crank bolt? Why not put a ratchet on the crank bolt, let the handle push on a block of wood, and torque the flywheel. |
03-07-2016, 04:51 AM | #21 |
Zilvia Addict
|
Quote:
I believe the method above with the wrench would've worked flawlessly also! |
03-07-2016, 10:57 AM | #23 |
Zilvia Addict
Join Date: Apr 2013
Location: LIVERMORE, CA
Posts: 838
Trader Rating: (16)
Feedback Score: 16 reviews
|
I feel like i should mention this just in case. if you have a fidanza flywheel, don't brace the wheel using the teeth on the outside of the flywheel. Shit will break apart since its a separate piece held on by 3 small bolts.
|
03-09-2016, 05:25 AM | #29 |
Zilvia Addict
|
Funny thing is I actually have a Fidanza flywheel but all was well with the socket method.... or maybe I got lucky?
|
03-09-2016, 06:57 AM | #30 |
^this. keep it simple. I had a friend hold the crank bolt while I torqued the flywheel. I would imagine the opposite can be done. I tightened my crank bolt with the tranny on the motor (5th gear + ebrake).
|
|
Bookmarks |
Thread Tools | |
Display Modes | |
|
|