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93 GT eating alternators
This car is a 1993 Mustang GT, 5 speed, with 189000 miles.
Could it be that my belt tensioner is too tight? Can that thing be adjusted? I've had 1 alternator's pulley disintegrate and a couple of others sieze. Good thing the first one came with a lifetime warranty. Back to Pep-boys. Andy |
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#2
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93 GT eating alternators
"Andy Smith" > wrote:
> This car is a 1993 Mustang GT, 5 speed, with 189000 miles. > > Could it be that my belt tensioner is too tight? Can that thing be > adjusted? I've had 1 alternator's pulley disintegrate and a couple of > others sieze. Good thing the first one came with a lifetime warranty. > Back to Pep-boys. Pretty unusual if it's not eating belts, as well. PROBABLY rebuilder checking front bearing and saying 'good enough'. And run of bad luck on your part. -- Yeh, I'm a Krusty old Geezer, putting up with my 'smartass' is the price you pay..DEAL with it! |
#3
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93 GT eating alternators
"Backyard Mechanic" > wrote in message ... > "Andy Smith" > wrote: > >> This car is a 1993 Mustang GT, 5 speed, with 189000 miles. >> >> Could it be that my belt tensioner is too tight? Can that thing be >> adjusted? I've had 1 alternator's pulley disintegrate and a couple of >> others sieze. Good thing the first one came with a lifetime warranty. >> Back to Pep-boys. > > Pretty unusual if it's not eating belts, as well. > > PROBABLY rebuilder checking front bearing and saying 'good enough'. > > And run of bad luck on your part. > > -- > Yeh, I'm a Krusty old Geezer, putting up with my 'smartass' is the price > you pay..DEAL with it! check the diameter of the pulley on the alternator ford used 7 different sizes depending on a host of factors. your replacement if it came with a puller may have been the wrong size (forcing your alternator to spin faster or slower as well as changing belt tension) also count the groves in the pulley in one of those years they changed from 5 groove to 6 or 7 deepening on output |
#4
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93 GT eating alternators
Andy Smith wrote:
> This car is a 1993 Mustang GT, 5 speed, with 189000 miles. > > Could it be that my belt tensioner is too tight? Can that thing be adjusted? > I've had 1 alternator's pulley disintegrate and a couple of others sieze. > Good thing the first one came with a lifetime warranty. Back to Pep-boys. It could be a belt alignment problem. If the pulleys aren't aligned perpendicular to the plane of the pulleys then it will chew up belts and seize up bearings. |
#5
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93 GT eating alternators
Michael Johnson, PE wrote:
> Andy Smith wrote: > > This car is a 1993 Mustang GT, 5 speed, with 189000 miles. > > > > Could it be that my belt tensioner is too tight? Can that thing be adjusted? > > I've had 1 alternator's pulley disintegrate and a couple of others sieze. > > Good thing the first one came with a lifetime warranty. Back to Pep-boys. > > It could be a belt alignment problem. If the pulleys aren't aligned > perpendicular to the plane of the pulleys then it will chew up belts and > seize up bearings. The Official Ford Mustang 5.0 (Al Kirschenbaum, Softcover) ISBN: 0837602106 suggests using the 1994-95 OE Mustang alternator as a replacement upgrade. The book says the alternator has "improved durability." I haven't tried this and would like to hear if this is an improvement. My 92 5.0 is on its fourth alternator. |
#6
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93 GT eating alternators
"Michael Johnson, PE" > wrote in message ... > Andy Smith wrote: >> This car is a 1993 Mustang GT, 5 speed, with 189000 miles. >> >> Could it be that my belt tensioner is too tight? Can that thing be >> adjusted? I've had 1 alternator's pulley disintegrate and a couple of >> others sieze. Good thing the first one came with a lifetime warranty. >> Back to Pep-boys. > > It could be a belt alignment problem. If the pulleys aren't aligned > perpendicular to the plane of the pulleys then it will chew up belts and > seize up bearings. it's been doing both. |
#7
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93 GT eating alternators / Sold the car!
"walt peifer" > wrote in message .. . > > "Backyard Mechanic" > wrote in message > ... >> "Andy Smith" > wrote: >> >>> This car is a 1993 Mustang GT, 5 speed, with 189000 miles. >>> >>> Could it be that my belt tensioner is too tight? Can that thing be >>> adjusted? I've had 1 alternator's pulley disintegrate and a couple of >>> others sieze. Good thing the first one came with a lifetime warranty. >>> Back to Pep-boys. >> >> Pretty unusual if it's not eating belts, as well. >> >> PROBABLY rebuilder checking front bearing and saying 'good enough'. >> >> And run of bad luck on your part. >> >> -- >> Yeh, I'm a Krusty old Geezer, putting up with my 'smartass' is the price >> you pay..DEAL with it! > > check the diameter of the pulley on the alternator ford used 7 different > sizes depending on a host of factors. your replacement if it came with a > puller may have been the wrong size (forcing your alternator to spin > faster or slower as well as changing belt tension) also count the groves > in the pulley in one of those years they changed from 5 groove to 6 or 7 > deepening on output > You know I counted 6 grooves on the pulley for the alternator and on the power steering pump. But you know what? It's not going to be my problem anymore, because the parts counter guy at Pep Boys desperately wants to buy the car, and is willing to wait until my 2007 GT arrives in 4-5 weeks. He says he's been looking for a one-owner 1988 - 1993 GT for more than a year. Thanks everyone. |
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93 GT eating alternators
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#10
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93 GT eating alternators
brh99 > wrote:
> My 1995 Grand Marquis, 160,000 miles, is on its original > alternator. > I think I'd try the 1995 alternator if it fits and the pulley matches > up... > Go to NAPA now, replace the brushes and clean it. about $10 and an hour and no guessing as to if you got a good rebuild -- Yeh, I'm a Krusty old Geezer, putting up with my 'smartass' is the price you pay..DEAL with it! |
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