Topic: fork bolt stuck, please help

[motomotard]

so im replacing the seals in my forks on my 73 cb750.

got one apart no problem. the second one is driving me crazy. the hex bolt on the very bottom of the fork will not come loose. wont budge, tried wd40 and all manner of banging on the damn thing and it wont move. the bolt is starting to strip.

any suggestions very appreciated.

[miles nowhere]

impact driver.

[greenjeans]

Acetone & ATF fluid.  let it soak...  heat it with a heat gun.  I've also used PB blaster and a heat gun followed by some tapping....

Have you taken the big bolt off the top of the fork yet ?    You can use a wooden plunger handle and a bar clamp to put some force on the inside.  

[tomkimberly]

Remove the cap, remove the spring and everything else that falls out of the tube, borrow a broom handle from your wife, stick broom handle inside fork tube and set assembly on the ground broom handle down, now loosen the allen bolt.

Tom

[Patrick]

Leave the spring in and the top cap on. Get a tie down. Compress the fork leg as much as you can with the tie down, putting pressure on the lower socket head bolt. Now hit it with an impact driver. That's how I got the fork bolts out of my 1969 DT1 and those were so rusty I had to scrape off grunge to find the bolt head.

Good luck.

Patrick

[BobbyR]

Hit it with some penetrating oil, let it sit overnight and use a broom handle. It will come right out. Every old time wrench I ever net used the broom handle. 

[motomotard]

thanks for the suggestions, my buddy has an impact wrench, he suggested that so ill do that tomorrow. if it dosent work ill do the broom handle thing.

[motomotard]

Acetone & ATF fluid.  let it soak...  heat it with a heat gun.  I've also used PB blaster and a heat gun followed by some tapping....

Have you taken the big bolt off the top of the fork yet ?    You can use a wooden plunger handle and a bar clamp to put some force on the inside. 

and yeah ive already pulled the big bolt and the spring.

[BobbyR]

thanks for the suggestions, my buddy has an impact wrench, he suggested that so ill do that tomorrow. if it dosent work ill do the broom handle thing.

Save your time. The impact wrench will do nothing more than spin the inner tube. Bring he broom handle with you and use the impact wrench.

[motomotard]

fixed.

i let it soak in wd40 over night and hit it with the impact wrench today. it came loose right away, didnt have a broom stick w/ me so it took a little jigglin to get it out, but it worked.

thanks guys.