Question about 1990 Ford LTD Crown Victoria

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BELT TOO LOOSE ON 1990 FORD 5.0 BELT FOR AC & AIR PUMP.

I had a slipping problem on my car with the ac belt. I bought the correct new replacement to solve the problem, no change! I idler pulley seems fixed, but looks like it should have some kind on movement. WHAT IS GOING ON PLEASE? HOW DOES THIS BELT KEEP TENSION? HELP!!!!

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  • PRIUS OWNER Jun 12, 2008

    Man, you are sure smart! I have been pulling my hair out on this and your fix worked perfectly! A million thanks! You are a guru master, my friend! John A.

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(1990 Marquis)
Danny, I agree it's a bear getting the wrench on but what you say works. I used a 14mm wrench. to change the AC belt you need to remove the Pump pulley.thanks for your answer.

Robert Berns

Posted on Sep 26, 2011

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The idle pulley is difficult to adjust on this one i will try to walk you through large bolt on front of pulley loosen about two turn the behind the bracket in which it is mounted there is a 15mm adjusting bolt tighten to tension loosen to loosen i say this because some are backwards lol tighten untill you push down on the belt and it deflects only about 1/4 in retighten the front

Posted on Jun 12, 2008

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