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Old 10-13-2001, 07:36 PM   #1
Fitz
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Default EJ22T motor has no bottom bolt for the starter?? A little help please...

So I'm currently in the process of installing my EJ22T into the car. If all goes well I should be up and running late tonight or early tomorrow morning. While attaching all the chains to the motor, I had a slight panic thought which so far has proved out to be realistic.

The starter on a stock MY00 RS uses two bolts to secure itself to the block. Both bolts pass through the transmission bellhousing and then screw into the block. A complication arises when you install an EJ22T (4 bolt mating surface) with a MY00 transmission (6 bolt mating surface). The top bolt of the starter can still pass through the a hole in the bellhousing and screw into the block, however there is no hole on the block for the bottom bolt to screw into seeing as there is two less holes on the EJ22T verses the EJ25. As near as I can tell the only option I have is to drill out the hole in the starter to accept one size larger metric threads and tap out the hole in the transmission. I see no other way to secure the starter using both bolts.

What has everyone else done on this? And, if you have drilled/tapped it out, what size did you go with??

Thanks,
Fitz
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Old 10-13-2001, 07:42 PM   #2
Eric SS
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Location: 2013 335i, 2011 G37 coupe
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2000 2.5RS w/ EJ22T
swap and N20. gone. : (

Default

Starters are jsut extra weight anyway... Just push start the thing

Eric

Seriously, I don't know, I'll go look at mine
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Old 10-13-2001, 07:54 PM   #3
Ver.III
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Default

Early models had a stud on the tranny for the bottom of the starter mount. You can probably put a heli-coil and put in a stud like the earlier models. ( 10x1.25)
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Old 10-16-2001, 04:21 AM   #4
HOK
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Default

Fitz you have PM...
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Old 10-17-2001, 12:41 AM   #5
LVSUBARU
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You don't have to use heli-coil. Just drill and tap, like you said. If done properly it will hold very well.
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Old 10-17-2001, 11:29 PM   #6
Fitz
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Default

I'm going to post my course of action in case anyone else ever does a search on this. I contacted my local dealership and was able to secure a stud free of charge. They had just scrapped out a transmission and pulled it off of there to give to me. The stock transmission bellhousing on a 4 bolt transmission has the hole tapped into the bellhousing. On the 6 bolt trannie's (99 SOHC and up) the hole in the bellhousing is actually larger than the stud. You're left with a couple of options.

1) Tap the stock bellhousing hole to X thread and use that diameter/thread stud. The starter will probably have to be drilled out as well to clearance the larger diamter stud.

2) Find a Heli-coil that has a 10x1.25mm ID (inner diamter) and a larger enough OD (outer diameter) so that you can tap that into the bellhousing. Use liberal amounts of loc-tite (careful: known carcinogen).

3) Machine out a special stud that has a larger diameter at one end and a smaller diamter (10x1.25mm). This way you can tap out the transmission but not have to drill out the starter hole.

I'll be exploring the second option but if I have to go with #3, I'll post this cad drawings.

Fitz
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Old 10-18-2001, 12:27 AM   #7
LVSUBARU
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Default

#3 sounds like the best solution to me.
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