JDM_2ner

I bought a overhead valve spring compressor, and there isnt much room in the SR head to use it. I read that if you put a socket on the retainer and pound it with a hammer it will compress the spring and the keepers will fall out. If that works, how do i re-install the new springs?

 

honkeybizkit

yikes. dont try the socket and spring deal. if i were you (since i have done the springs and retainers on the SR recently) i would use the compressor tool if its like this one. if its the clampy style forget it.




thats what i used, but modified it a little (ground out a better notch for the pivot point to achieve the best angle and leverage for our head)

now you'd need to add air into the cylinder to keep the valve up (about 100psi) i believe this is a 2 person job, i did half of mine myself but it wasnt the most fun. use some thick sticky assembly grease, i used it on the retainer locks.. to keep them in place when releasing tension off the spring.

i actually did mine with the head off since i wanted to check the pistons out (10:1's and sodium ex valves WOOHOO) and R&R the HeadGasket.

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Jonathan Schultz

1997 200SX SE-R U13 Swap
2005 Toyota Avalon Limited

Slartibartfast

Not only that, when the keeper pops off, the valve drops into the combustion chamber.

Get the right tool, do some searching here for techniques to keep valves from disappearing when the retainers are off.

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Bruce in Houston
1990 Acura Legend LS, stock (so far)
1994 Nissan Sentra SE-R (original owner) w/ $tuff, converting to ITA (even more $tuff)
1998 Suzuki Bandit 1200S w/ $tuff, W.W.B.O.C. #101
2002 Dodge Dakota tow beast, stock!
RIP swwwinger

BORNGEARHEAD

For sure, make sure you have a good 100psi in the cyl. Make sure the cyl. is at top dead that your working on. I always do cyl. 1 and 4 at the same time, then 2 and 3 cyl. at the same time. Saves a little time on the job. I always use a small pocket screwdriver with the little magnet on the top. Use that with grease to ease the installation of the keepers.

Honkeybizkit, do you have the part # for the spring comressor your using?

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93 NX2000 VE
08 Frontier Se

JDM_2ner

yeah, i know how to do it, i just dont want to rip off the head if i can help it.

JDM_2ner

oh, i also at first used 120psi in the cyl, without someone holding a wrench on the crank pulley. YIKES!! Then i used 40psi and it held the one valve i took the spring off of just fine.

honkeybizkit

dj, the spring compressor i bought was from northern tool company and i believe its discontinued. i let steve borrow it.