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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
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Distributor won't turn

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Old 07-10-2013, 05:54 PM   #1
95GT-71Grand
 
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Angry Distributor won't turn

Trying to set the timing on my 95 5.0 GT, loosened the clamp, but distributor does not turn. I had it our recently, so if it's frozen in place it's a new development. Waiting for the engine to cool down to see if this is permanent or just engine temp related. Anyone experience this before?
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Old 07-10-2013, 06:24 PM   #2
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Never on a fresh install of the dizzy but ive hade some difficulty with one that was in the engine for 20 years be pretty stubborn. Did you use any diametric grease on the o-ring before you put it in? I always put it on any thing rubber like that , O-rings plug wire boots . Take the cap off and make sure the roter is not broken or something inside keeping it from moving. Other wise you might have to loosen the clamp a bit more and put some effort in to it.
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Old 07-10-2013, 06:39 PM   #3
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Nothing seemed out of place inside. The car runs, so that's a plus. Did not think to lube the o-ring. That may be it. Will check if and when it moves at cold temp...
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Old 07-10-2013, 07:16 PM   #4
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Quote:
Originally Posted by 95GT-71Grand View Post
Nothing seemed out of place inside. The car runs, so that's a plus. Did not think to lube the o-ring. That may be it. Will check if and when it moves at cold temp...
Yea that would be my guess . Just out of curiosity what is you temps doing at its hottest. To hot can defiantly cause the o-ring to stick .
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Old 07-10-2013, 07:34 PM   #5
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Dash temp gauge reads midpoint of normal range.
Temp has come down, managed to move distributor slightly by banging on it with screwdriver and hammer...
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Old 07-10-2013, 07:50 PM   #6
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Pull it out man and put a new o ring on it with some of the silicon diametric grease. You wont have any more trouble after that.
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Old 07-10-2013, 11:06 PM   #7
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For the moment, I managed to set the timing. I'll replace the o-ring as I clean up the rest of this project, but at least it's TIMED. Now to solve why it won't stop at idle when I take my foot off the gas. If it weren't a fairly new (2 months old) idle bypass valve, I'd say that was it. Not that I've ruled it out...
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Old 07-10-2013, 11:46 PM   #8
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Ahh the dreaded 1200-1500rpm idle when letting off the gas. I am assuming that it eventually resumes the normal 750 rpm after about 10 15 seconds or if you kick the pedal a few times ? Did you do any other work to the car? maybe a vacuum leak ?

My 94 did this to , it took me a couple weeks of playing with the idle settings, adjusting the throttle cable doing a base idle relearn, I also played with the tps settings . One other thing to check is the tension on the cruise control cable .
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Old 07-11-2013, 12:21 AM   #9
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Base idle relearn? Probably need to do that. I put a GT40 intake on and have been having to adapt all sorts of things, including a different throttle position sensor. Currently it simply drops to 0 rpm rather than the dreaded 1200-1500 rpm. How do I do base idle reset?
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Old 07-11-2013, 12:28 AM   #10
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OK, I googled it and found the base idle relearn procedure. I'll give that a try tomorrow.
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Old 07-11-2013, 02:01 AM   #11
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Quote:
Originally Posted by 95GT-71Grand View Post
Base idle relearn? Probably need to do that. I put a GT40 intake on and have been having to adapt all sorts of things, including a different throttle position sensor. Currently it simply drops to 0 rpm rather than the dreaded 1200-1500 rpm. How do I do base idle reset?
ohh I thought you meant it wouldn't come down in idle. lol
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Old 07-11-2013, 03:01 PM   #12
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Executing the idle relearn procedure did not solve the problem.

Anyone know how to tell if the idle motor is doing what it's supposed to?
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Old 07-13-2013, 05:29 PM   #13
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Turned out to be TPS sensor output voltage - the mod I made to adapt to the TPS that came with the GT40 intake/TB didn't work right. Fixed that, no more stalling.

All I need now is the Cobra tower brace to clear the new intake, and I can DRIVE this thing!

I'm so jazzed that it'll be another day before I get back to being frustrated at how long it's taking to ship that brace...
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Old 07-13-2013, 05:41 PM   #14
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you can drive it with out the strut tower brace I never put one back on mine after the gt40 stuff went on.
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Old 07-13-2013, 06:29 PM   #15
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oh that's not fair... now you're tempting me...
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Old 07-13-2013, 06:34 PM   #16
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I havnt had one on mine for months now . A lot of guys don't bother with it.

Glad you got the idle thing cured though thanks for updating.
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Old 07-14-2013, 11:16 AM   #17
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Yeah, I took mine off as well. Extra weight, not really needed unless you're taking corners like a boss
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Old 07-15-2013, 10:38 AM   #18
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I succumbed to temptation and drove it around over the weekend. Didn't really push it - the tower brace should be here in a couple days and then I WILL be cornering like a madman... :-)
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Old 07-15-2013, 10:38 AM
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