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290 trim pistons

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electricbill

New member
"Anyone know how to open the t

"Anyone know how to open the trim pistons , there are 4 holes at the cap for a specialty tool, but I cant find anyone who carries them or knows where to get the tool?"
 
"a company called sealy sell a

"a company called sealy sell a tool called a pin tool it has 2 little pins sticking out of the side that fit into 2 of the holes on the end of the rams cost about £12 have used one, works a treat, hope this helps."
 
"Bill I am curious, are you op

"Bill I am curious, are you opening the pistons to replace the o-rings? If so where did you find the o-rings? I searched a few years back without any luck."
 
"Original post = January 25, 2

"Original post = January 25, 2010... he may have this repaired by now????

Logic would suggest that an OEM kit would be available, but to my knowledge, Volvo does not offer a kit for these, therefor no OEM tool for the user.
If you were to search extensively, you may find seals and O-rings that may work.

Components:
The entire unit is a cylinder or ram cylinder.
Two ends are base end/stem end housings.
Cylinder would be the aluminum tube...(cylinder)
Rod is the steel shaft or stem.
Piston ... the portion attached to the base end of the stem.

Note that a cylinder that may be in need of a kit, may also have a worn "bore" in the stem end aluminum housing. If so, a new seal here may shortly fail.
Again, no replacement for this "stem end housing" part.

I do know a man who has done this research and now has access to non-OEM replacement parts! If interested, I could put you in touch with him.

."
 
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