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Anonymous Posted on Dec 15, 2010

How to bypass the ac with a shoter belt - 1999 Mercury Grand Marquis

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ZJ Limited

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  • Mercury Master 17,989 Answers
  • Posted on Dec 15, 2010
ZJ Limited
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There is a easy way to re-route the belt after the A/C is removed on any 4.6L Due to the idler and tensioner. When the a/c is not running the pulley spins freely anyway. On 99 and older panthers you can get a shorter belt to bypass the power steering for a little extra power, but need install A/C COMPRESSOR BYPASS PULLEY, or you could buy a a/c compressor delete kit comes with a bracket and idler pulley, that would make things easier, you can use a stock belt with that kit.

Check this for 99' and older belt routing...

how to bypass the ac with a shoter belt - zjlimited_249.jpg

Also, check this diagram (click over pic for zoom)...

zjlimited_250.jpg

The tensioner would still work, just not very well. So you would need to by a tight belt to compensate. As far as measuring the new belt size, you will need to use a tape measure, or some string and then measure the length. The best option is an a/c delete 'kit'

Green line represents a revised belt routing in order to *bypass* the A/C compressor. With this method, the tensioner WILL work but VERY limited - you must purchase a tight belt.

Note this is only applicable for the '93-'99 belt routing

Hope helps (remember to rate and comment this answer).

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