MY H23 to US H22a1 swap -- A Newbie Writeup/journal - Honda Prelude Forum - Prelude Online.com
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Old 03-30-2004, 08:48 PM   #1 (permalink)
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MY H23 to US H22a1 swap -- A Newbie Writeup/journal

Hello. I figured there would be alot of people out there who want to do the H22 swap, but have never really had much motor expierience... Well, that is the category I fall into! So i am starting this write up / journal on my swap. I will add onto it as the days go on.

So far, im on day #3, so i will use the best of my knowledge to recall what i've done.

ps. No pics. I took pics, but my camera sucks, they all came out bad. Sorry.
_______________

Rule #1, and most obvious: GET A HELMS MANUAL! www.helminc.com Or try ebay, i got mine used for $25 shipped. If you are a newbie swapper, this is a MUST!!!


Rule #2 Buy a can of PB blaster (helps remove rusty bolts, if u didnt know). Also, get some workers gloves, and all that good stuff.

Rule #3 Drain your oil/antifreeze
________________
Ok, day one:
-I started by removing the baterry, and battery housing. Very simple.
-Then of course, the intake, also very simple.
-Next, remove your fuel line from the fuel rail-- NEWBIES, dont be scared! This part kinda worried me too, but its ok, just release the pressure slowly, you will smell vapors, but no gas, trust me.
-Next, remove your throttle cable. Just pull the throttle back, and jiggle the line out, be sure NOT TO BEND IT! also, very easy
-Now unplug the plug that goes into your ignition thing on the drivers side corner. It kinda looks like a heat shield found on a motherboard of a computer. Make sure you label it.

Heres where you need some patience...

-Start removing plugs from your engine wiring harness. Basically, any plug that you see leading into the main engine harness, needs to be unplugged. -- This gets to be kind of a pain in the arse, because each connection is connected to a metal bracket, which, depending on how corroded they are, they are a pain to get off. Try carefully prying them with a flat head.
-----MAKE SURE YOU LABEL ALL YOUR PLUGS! I labeled each end with numbers. Example: If i unplugged a male from a female, i labeled each one, "1", and then "2", etc. This helps to match up your H22 harness later on. (many tech heads may think thats dumb, but its easier that way for me!)

End of day 1
________________________

Day #2 ..this is the day i actually got my car into the garage!

This is the day you might need to use the PB blaster

-Remove the plugs/bolts from the cruise control. But do not remove the hoses. Once off, just put it off to the side.
-Remove power steering pump. Pretty easy also. Same as above. Put it to the side
-Remove alternator. This is also easy, and can be taken out completely.
-Remove AC compressor. ---THIS is where i had problems... there are 4 bolts.. The bottem left one was hung up, REFUSED to come out. 2 days later i ended up gringing it off.

time out: If you run into ANY bolts that may need grinded off, and have an air compressor, just use a small grinding wheel, wear goggles (from sparks and metal shavings). If you dont feel comfortable, call a friend who knows what they're doing.

Once all of those are out, you will have more room to work with.

-Next, remove your radiator hoses. There will be a lower one, and a high one. Easy to find
-The helms says to take the AC fan out, and put a protector plate on. I find it alot easier to just remove the entire radiator, then you have more room, and don't need to worry about damaging it.
-Next, remove the heater hose from the passenger side of the motor.
-Now, the shift linkage stuff. This is located just undernieth the wiring harness. If you're a newbie, the diagram for this in the helms looks scary, but dont worry, thats why i am here! IIf u have trouble finding this stuff, lay your helms on your valve cover, facing the passenger side fender, and lean over the passenger side. This angle is how the helms pictures the linkage. Now, remove the bolts and cotter pins/washers, and get the linkage off to the side. Be sure NOT TO BEND any of them! Try to get the linkage pushed to side gently.
-Now, theres a funky lookin power stearing line to take out. It bolts to the passenger side of the block, and runs to the front of the block. Unbolt it completely, and just take it out of the engine bay.
-Next, unbolt your header from your downpipe. I found this to be easier by using socket extensions, and getting under the car. This is also where PB blaster may be handy. My bolts were REAL stubborn! Yours may be easier, or harder than mine.

END of day 2 and 3

--this is as far as i've gotten so far. It's been a process thats for sure... but nothing terrible hard. Just some frustrations with rusty bolts.
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Last edited by preludatic; 03-30-2004 at 08:56 PM.
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Old 03-30-2004, 09:11 PM   #2 (permalink)
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nice nice so far

keep it updated as you proceed
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Old 03-31-2004, 10:05 AM   #3 (permalink)
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cool man, i'll stay intuned. Nice of you to document this for us
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Old 03-31-2004, 02:48 PM   #4 (permalink)
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I'm loving this thread ... terms like "the thing that looks like ... " definately a newb thread but idiot proof. I really hope to see this thread kept up for every day you work on it ... even if the pics suck, post em up ... its better than nothing.
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Old 03-31-2004, 03:28 PM   #5 (permalink)
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This is excellent. I will be doing this exact thing in a couple months for my first time, and i appreciate the work that your putting into it!

-Fuzi0n
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Old 04-03-2004, 05:10 PM   #6 (permalink)
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DAY NUMBER 4

Day 4


Today was a GREAT day!

Well, i'm a raging retard.... The o2 sensor on the downpipe, can be unplugged about half way up the wire. But, regaurdless, it needs to come out of the pipe for the vtec exhaust. So heres what i did today...

Got the motor lift, and started un-doing the lower ball joints on each side of the car. To be honest, idk how hard this was, cuz i made my dad do it for me . But he did NOT have to use a ball joint remover (like the helms says to use).


One those were done, he took the drive shafts off. I was told these were really hard to do, but i found them quite easy. With a couple pry bars, it was fairly easy. Until the grease starting goo'ing out all over my arm. I wrapped the ends in plastic bags, (like the helms says to do).


Next, i got to that FUSSY heater core hose in the back of the motor (the one the helms forgets to tell you about). IT was a pain, but i got it out from undernieth WITHOUT CUTTING IT! woo hoo for me hehe. (if u dont know where this hose is, its directly undernieth the intake manifold, runs from the firewall, to the back of the motor.)


Well, now thats done, time to hook the hoist up!! Here's where i discovered something... I really didnt need to raise the drivers side up ridiculously far like some other swappers. I instead, removed the bracket that is over the tranny motor mount. This allowed for alot more room for the tranny to come up. Heres a pic of the thing im talkin bout (dad using impact wrench to get it out)...











Once the motor was out, i set it down onto some wood blocks, so i could get the tranny off. (I'm using my h23 tranny) Getting it off was pretty easy. Just used 17mm wrench, and knocked the bolts lose with a hammer (to the wrench, obviously.) Then u must take the protective cover off the bottem of the tranny, then it will come off with ease. It's kinda heavy, so use a friend.



Then, remove the clutch plate. There are several nuts around the outside, i think i used a 10mm, idk, the pattern is alot different. Also use a hammer to knock these lose. once that is off, there are 17mm bolts in a circle around the clutch. Remove them also. Your tranny is now off

This is a good time to inpesct your clutch life. I just realized today that i need a new throwout bearing, and a clutch pad pretty bad (anyone got some stuff laying around they wanna sell me??? )

Now, take a good hard look at your vtec, and it will only make you MORE ambitious to get it in!!!!!



END OF DAY 4
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Old 04-03-2004, 05:37 PM   #7 (permalink)
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Did you forget there is a new Exedy clutch and pressure plate down here? I'm proud of your accomplishment (knew you could do it) Nice write up too!! Want me to come up and get the old motor out of the way tomorrow? Keep up the good work!!
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Old 04-03-2004, 10:21 PM   #8 (permalink)
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MArk, what DONT you have for sale
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Old 04-04-2004, 06:40 AM   #9 (permalink)
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Wife and kids----then again, for the right $$ ????? jk
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Old 04-05-2004, 04:31 PM   #10 (permalink)
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Do the drive shafts for the H23 work on the H22?
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Old 04-05-2004, 04:43 PM   #11 (permalink)
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great write up man... question, why did you not get the h22 tranny?
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Old 04-05-2004, 09:05 PM   #12 (permalink)
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h22 tranny was sold by my seller before i bought motor. Heard h23 tranny has some benefits with h22 motor. we'll try and see i guess
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Old 04-05-2004, 09:06 PM   #13 (permalink)
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Quote:
Originally posted by Fuzi0n
Do the drive shafts for the H23 work on the H22?
i dont see why not??
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Old 04-11-2004, 07:52 PM   #14 (permalink)
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Today i got everything good to go. Sorry that i havent been current on my process, i was working 70 hrs this week, so my dad and some friends did some work while iwas out. In any case, its a downpipe away from running!! I fired it up tonight, and it started right up. Things are lookin good so far
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