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I have a 92 grand marquis with a bad transmission and a good 88 transmission. i was told i could use this if i switch the valve bodys. is this true?

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Hi,no you can not.One is electronic and the other is not...Good Luck!!!

Posted on Aug 06, 2008

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11_11_2011_10_58_29_pm.jpg

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1 Answer

Someone told me I have to replace the whole pulley system and all I need is the belt tensioner for a 92 grande marquis. Is this true?


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1 Answer

My 1990 Mercury Grand Marquis won't shift into higher gears, It's also got a really bad whine when u try n push it ... I've checked the transmission fluid and added more, but didn't seem to help, any other...


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The throttle speed control valve must be cleaned. The valve is located near the throttle body throat. It has an oval flange with two bolts. Unplug it, take it off and clean it out with throttle body cleaner. You will notice a big difference. This is a common issue with this engine.
Please remember to rate this fix.

Feb 16, 2009 | 1992 Mercury Grand Marquis

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