C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Alternator Install

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Old Mar 25, 2005 | 03:15 PM
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auger58
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Default Alternator Install

My alternator just went on my 90 & need to put in a new one.Any advice or a thread on how to do it. I hear it's a pain in the butt.
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Old Mar 25, 2005 | 03:25 PM
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Should take about 5minutes. Remove serpenting belt. Unbolt alternator wire, unbolt alternator from brace. Bolt alternator to brace and replace wire, done.
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Old Mar 25, 2005 | 03:27 PM
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Also make sure you disconnect the battery.
Otherwise you may end up doing some arc welding.
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Old Mar 25, 2005 | 03:28 PM
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Originally Posted by auger58
My alternator just went on my 90 & need to put in a new one.Any advice or a thread on how to do it. I hear it's a pain in the butt.
Don't know about the 90, but I changed mine (86) in about 20 minutes on the side of the highway in the darkness with only a flashlight to see by.

Mine only has a fews bolts/nuts that need to be loosened or removed.

From memory, disconnect battery POS terminal

1/2" ratchet to take tension off serpentine belt, then remove belt from alternator pulley.

Top brace: loosen inner bolt and remove outer bolt; rotate brace upward enough to clear alt.

Lower brace to exhaust: Remove nut on exhaust and remove bolt on alternator, set brace aside

Bottom most bolt: Remove

Disconnect electrical wires.

Alternator then slips right out.

Installation is the reverse.

Bing, Bang, Done.

Jake

Last edited by JAKE; Mar 25, 2005 at 03:30 PM.
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Old Mar 25, 2005 | 04:42 PM
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I'm going to do it now
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