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Originally Posted by MarkM
I assume if you are flushing the system and doing general repairs and upgrades, that you will be replacing the expansion valve (you should do this). Do not throw the old one away....secure it in a vise and use an electric drill with a 1/4 or 3/8 inch bit and drill out the insides of each side. Then blow out all the chips. Now re-install this in its normal place, and you will now be able to flush the evap. from the engine compartment using the ends of the two hoses, and you will clean the hoses as well. Also, this method makes it easy to forward and reverse flush.
Good Luck,
Mark
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Whoa! You should not use the hoses to flush out the evaporator with anything that could soften or damage them. They are not impervious to everything, many solvents will degrade them.
__________________
'82 300SD - 361K mi - "Blue"
"Good judgement comes from experience. Experience comes from bad judgement."
listen, look, .........and duck.
Last edited by Pete Burton; 05-19-2006 at 04:57 PM.
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