S2000 Under The Hood S2000 Technical and Mechanical discussions.

Huge trans problem

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Old 07-10-2016, 10:43 AM
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The Honda shop manual notes to replace these bolts (they're probably torque sensitive). '00'-'03 bolts (8mm 24 lb-ft) differ from the '04-later bolts (10mm 36 lb-ft). Honda calls them Special Bolts. The AP1 cars have different part numbers for the front and rear bolts (I suspect different lengths). AP2 show the same part number for all 12 bolts but different from the AP1 bolts.

The manual also specifies to mark the position of the shaft on either the transmission or differential flange if you remove the propeller shaft from either. The system is apparently balanced on the car.

Diagrams only show one bolt per washer but there are clearly bolts thru both holes in the washers on my propeller shaft. And your recovered washer shows evidence of a bolt thru both holes. The bolts are less than $4 each from the online Honda parts sources. For $35 - $50 I'd replace them all and torque to spec.

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-- Chuck
Old 07-10-2016, 10:46 AM
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Originally Posted by Chuck S
The Honda shop manual notes to replace these bolts (they're probably torque sensitive). '00'-'03 bolts (8mm 24 lb-ft) differ from the '04-later bolts (10mm 36 lb-ft). Honda calls them Special Bolts. The AP1 cars have different part numbers for the front and rear bolts (I suspect different lengths). AP2 show the same part number for all 12 bolts but different from the AP1 bolts.

The manual also specifies to mark the position of the shaft on either the transmission or differential flange if you remove the propeller shaft from either. The system is apparently balanced on the car.

Diagrams only show one bolt per washer but there are clearly bolts thru both holes in the washers on my propeller shaft. And your recovered washer shows evidence of a bolt thru both holes. The bolts are less than $4 each from the online Honda parts sources. For $35 - $50 I'd replace them all and torque to spec.

-- Chuck
Old 07-10-2016, 11:04 AM
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Originally Posted by Chuck S
The Honda shop manual notes to replace these bolts (they're probably torque sensitive). '00'-'03 bolts (8mm 24 lb-ft) differ from the '04-later bolts (10mm 36 lb-ft). Honda calls them Special Bolts. The AP1 cars have different part numbers for the front and rear bolts (I suspect different lengths). AP2 show the same part number for all 12 bolts but different from the AP1 bolts

The manual also specifies to mark the position of the shaft on either the transmission or differential flange if you remove the propeller shaft from either. The system is apparently balanced on the car.

Diagrams only show one bolt per washer but there are clearly bolts thru both holes in the washers on my propeller shaft. And your recovered washer shows evidence of a bolt thru both holes. The bolts are less than $4 each from the online Honda parts sources. For $35 - $50 I'd replace them all and torque to spec.



-- Chuck
Thanks a lot! Gonna go look at it right now and hopefully fix it. Thanks again
Old 07-10-2016, 11:10 AM
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Not to deviate from the thread, but Chuck, do you know what type of lift that is in the picture you posted?
Old 07-10-2016, 11:22 AM
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The lift is a EZ Car Lift, an expensive but for me indispensable way for me to do my own maintenance on the car. I ain't crawling under a car on jack stands when I'm alone which I frequently am as my wife and I live and work indifferent cities during the week -- and "date" on the weekends.

I replaced an Invidia Q300 exhaust with a Tanabe Medalion Touring in less than 30 minutes with only my dachshunds for help.

Lifts to 26" off the floor. Sitting height under the car. Car goes on it for the Ohio winter too. 4" high collapsed but needs these special lifts to fit under the car.

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-- Chuck
Old 07-10-2016, 01:59 PM
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That's very cool! Thanks!
Old 07-10-2016, 07:15 PM
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Jacked it up at and saw the problem immediately. It was hanging on by ONE bolt and it was angled so it was still tight to the driveshaft which explains the knocking noise. This was connected to the trans. The washers in the back are intact but bolts were loose. I torqued them. As for the front...in the end I only had 2 washers and 2 bolts. I put one washer back on with the 2 bolts and brought the other home. I torqued the bolts and carefully drove home. Ordering new bolts tomorrow and might as well get the washers too.
http://s50.photobucket.com/user/Levi...tml?sort=3&o=0
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