1992 honda prelude si h23a1 (jdm)

ok so the otherday i was sriving down the road and my crank pulley falls off and the keyway goes with it. at the time i had no idea what the hell it was. till the battery light came on then i knew so i turned around and went back to where it fell off (about 1/10th a mile) then the car died and i thought the battery was dead so i just had it towed home. but i was going to put the pulley on today and notice the notch in the crank and the notch on the plate that is behind the timing cover dont line up anymore. what should i do and did i jump time or something?

also after it fell off i was not driving it hard i did not go above 2-3k rpms so if i did jump time could i have valve damage?

Thanks

 

what is the "notch begind the timing cover"? there is the accessory pulley, timing cover, timing belt gear, and the block, from outter most piece to the motor itself. anyways, if anything is misaligned then your timing is going to be off, and you could have bent valves. the easiest way to tell would be to fix everything and then do a compression test.

 

holy embarrasing crap. that being said, you need to do a few things. First, DON'T crank the engine with the starter unless you feel lucky. i'm here to tell you you're not. Second, figure out why the pulley decided to leave your car while you were driving. Is the end of the crank damaged? Was the bolt broken off in the crank? Was it just loose? Solve this mystery, buy a torque wrench and continue to step three. Determine whether the top end of the engine is playing nicely with the bottom end. If your crank timing gear lost it's key, now would be a good time to figure that out. Verify that there is a key aligning the lower timing gear and the crankshaft under the timing belt cover. Put the crank pulley and new key on, torque it into position, pull the spark plugs and valve cover. Verify that when the #1 piston is at top dead center (as indicated by the marks on the crank pulley aligning with the timing belt cover), the alignment marks on the cam gears show top dead center for #1 as well. This process is typically outlined in grusome detail in service manuals under the "installing cams" section. Triple check this alignment. Have some friends over and have them triple check your triple check. Can you tell there's going to be some bad if you don't? You should be able to turn the engine over smoothly with a small ratchet on the crank at this point because you still have the spark plugs out. If you get to a point where you can't crank it with a ratchet handle, you may have some engine damage. Your valves may be smacking into your pistons. That is bad. You don't want that. If it turns over smoothly, do a compression test. If that is good CHECK THE CRANK PULLEY TORQUE AGAIN and put it all back together. If you're not sure at all what you're doing...take it in somewhere. You're in the several thousand dollar mistake range. Hope you enjoyed the novel.

 

the bolt did not break it just came loose. and the end of the crank is perfect, just the notches dont line up so i can slide the key in.

 

what the hell is a<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 1992hludesi &raquo;</TD></TR><TR><TD CLASS="quote">1992 honda prelude si h23a1 (jdm)</TD></TR></TABLE>

 

you need to take off all of your belts except the timing belt, take the crank pulley out of the engine compartment, and visually inspect it for damage. if it has any more than a light scratch here or there (and i bet it does) you need to replace it. you do not want that thing wobbling 3mm each time the engine turns over. and when you say "the notches don't line up so i can slide the key in" you are talking about the crank pulley and not the timing belt pulley under the gear, right? checking the timing isn't optional here...you need to do it. there is a key on the timing belt gear and it's in it's correct position, right? i find it easier to put the key in the crank slot first on some engines and then wiggle the crank pulley into position.

when you are putting the crank pulley on, line up the key and don't worry about the timing marks on the timing belt cover and crank pulley, that's not what they're for.

let me know how it goes...

 

If the key fell out, then your timing could have shifted, and yes you might have bent valves. Re-time it and check compression. Good luck.

 

I re-read your post a little more carefully...

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 1992hludesi &raquo;</TD></TR><TR><TD CLASS="quote">then the car died </TD></TR></TABLE>

This is probably due to the timing shft. You can put the car in gear with the drivers side wheel jacked up (passenger side on the ground), then turn the hub with a wrench to turn the engine over until the keyway lines up, then slide the key back in. If you feel any binding, don't force it. If you can, do this with the pistons NOT at tdc. This will reduce the chances of bending stuff.

 

ok well, to clear things up. the pulley broke so i have bought a brand new one with a brand new key. and does the key that holds the crank pully also hold the timing pulley or is there another key?

 

ok well, to clear things up. the pulley broke so i have bought a brand new one with a brand new key. and does the key that holds the crank pully also hold the timing pulley or is there another key?

 

ok i found out that the key for the crank also connects the timing pulley so i skipped time. but when i spin that pulley the cams dont move. yet the belt is not broken. now how do i reset the timing to TDC. pictures would be great to help me out... thank you