quick question before you hear my problems...

when is it ok to turn the engine when you are putting it back together?

do i have to wait until everything is torqued down? or until i have achieved the right end clearance? and what would happen if i turned it before i was supposed to?

The reason why i am asking is i put together my engine and ended up taking it apart again because it wouldn't turn at all. i thought it was one of my bearings which was too tight (it was too tight so i replaced it and now the clearance is alright) but when i put the rear side housing on to check and make sure everything will turn well when i assemble it this next time, it won't turn...i didn't even torque it down i just put the tension bolts hand tight. i re-measured my housings,rotors,and apex seal widths and they are all ok...so im stumped as to how this could happen...

is there such thing as putting too much gasket material on the legs? or too much hylomar? would this happen if somehow the apex seal springs were installed wrong? i checked this stuff when i disassembled the engine again but im open for any information.

 

If the hylomar is visible on the iron (within the inside edge of the housing) when the housing is flush against the iron, then you need to scrape away the excess (what is showing) with a razor blade.. It can make the rotors stick if you don't.

 

alright thanks

 

Are you turning the motor with your hand or with the rear bolt? Why not torque everything down and put some 20-50 oil in it than turn it with the flywheel?

 

Did you ever check/adjust your end play?

 

i was turning the motor by hand, with everything torqued down and the rear stat gear in...should i be able to turn it by hand at that time?

and i did have hylomar on the front iron when i opened it up and it was kinda built up on it...but i couldn't turn it at all...

no i didn't adjust end play i figured something was wrong so i didn't proceed to check end play cuz i couldn't turn the engine... would that cause the engine not to rotate if i didn't put the thrust bearing and stuff on?

btw im putting my engine together right now without coolant seals to make sure everything moves properly and if it doesn't i'll try to figure out what the problem would be...i don't wanna waste my coolant seals again without seeing if it will rotate :/

 

ok well i put my engine together again without the gasket sealant or coolant o-rings and hylomar...and torqued it down. i can't turn it still :/ it just locks up...and as i posted in another thread, without the rear side housing i can turn the rotor and it just gets stuck in a specific spot, and i don't feel a corner seal getting stuck on an intake port. but when i nudge the rotor a bit in one direction it continues rotating until it stops eventually again...

i am SO confused i think imma post a video :/. i've been trying to get this engine running for awhile now so i don't have to take the damn bus to college.

 

Did you check the clearance of the rotor width to the housing?

 

Are you just trying to turn it by hand with the e-shaft? if you are and one of the rotors is approaching the compression stage it will be hard to turn. Try putting the flywheel on and using that to turn it over. Depending on what you use for assembly lube it can make it very tight, and hard to turn.

 

yes i did check the rotor and rotor housing clearance, and it was within spec... that was the first thing i did...

well the issue is that the engine literally stops turning abruptly so i know it can't be compression related...

i have no college class tomorrow so i will wake up early and take a video of the problem

i think im also going to remove the rear rotor again and see if it still happens...and then remove the apex seals...try that and finally take out the corner seals and see if thats the problem...hopefully i will be able to pinpoint what the problem is...

but i appreciate everyone's help

 

better be safe then sorry.

 

ok well before i did the video i wanted to remove the rear rotor and see what the problem might be...well i found that the only culprit must be the apex seals because it moved perfectly without them...so i re-glued them an stuck them back in...and it rotates ok! lol i have no idea why...it didn't feel perfectly smooth when i was rotating it...then i reoriented the engine with the e-shaft horizontally and it rotated perfectly...but i noticed that when i torqued down my engine the apex seal corner pieces didn't break the super glue bond...is there such thing as using too good of a super glue? and lets say the corner pieces stayed glued...would the glue eventually wear off when i start the engine? perhaps i glued the corner pieces a little down so the overall length was shorter the 2nd time...

 

Ok. I had the same problem. Not sure if its your same problems but when i rebuilt my engine it wouldnt turn when i would just put the bolts hand tight either. Turns out i had put the front rotor apex seals upside down... Give that a try.

 

lol. you used super glue? Hmm. howd that work. Next time might wanna try gobs of patrollium jelly. it will evaporate almost immediately. Super glue might ruin your internals, but im not sure.

 

well, i've been putting the apex seals with the corner piece facing the rear side of the engine for both rotors. i think thats how im supposed to do it...

as for the super glue i thought you were supposed to super glue the apex seal together so when you install the spring the corner piece doesn't fly off?

:/ lol

 

Elmers glue works.

I did the triangle pieces towards rear for mine but installed them without glue.

 

You don't really need the glue since the triangles always sit on top of the apex seals during assembly. Definitely check your endplay during and after you torque the tension bolts and e-shaft nut.

 

There are several sites/places that tell you that if the corner seal come unglued after you remove it from the package...........to just glue it back on the apex seal with super glue and then install it.

Other people say to just let it be free and to install it seperated from the apex seal. Being careful doing when doing so.

Personally I took an engine apart that had a corner piece super glued on and the engine had been running for some time.........and when the engine was taken apart the corner seal was still super glued to the apex seal. Ain't a never gonna do that again. Super glue that is.

I KNOW this is very hard to believe, but I saw it my self and that's good enough for me. I"d a bet a grand that this could NEVER happen but it did happen on a engine that had run several thousand miles.

 

How about lightly gluing the corner piece onto the seal so the total seal length is slightly wider than the housing...so when you torque the tension bolts the bond is broken.

 

Any little mistake can ruin the rebuild. If you open the engine again, look for marks and excess of glue, sealant or even a torn gasket or any debris. Good Luck!