Belts/Alternator Location
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From: Georgia
Car: 86 (as far as I know) IROC-Z
Belts/Alternator Location
My 86 alternator is on the passenger side of the engine. The A/C compressor is on the drivers side. Could someone explain why to me?
thanks in advance
Nevermind. This is normal for an 86.
thanks in advance
Nevermind. This is normal for an 86.
Last edited by rmd21; May 20, 2026 at 12:06 PM. Reason: Ineptitude
Joined: Dec 2004
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Belts/Alternator Location
If you want it switched around go serpentine
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From: Missouri
Car: 1985 Z28
Engine: 305 LG4
Transmission: T5
Axle/Gears: 3.42
Thread Starter
Junior Member
Joined: Feb 2026
Posts: 9
Likes: 1
From: Georgia
Car: 86 (as far as I know) IROC-Z
Joined: Sep 2005
Posts: 27,996
Likes: 2,485
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: Belts/Alternator Location
Could someone explain why to me?
Looks like you have the last iteration of the old style accessory drive before they went to the serpentine ("snake-like") routing. They made our cars like yours in 86 & 87. For those last coupla years they used that wide flat ribbed belt you have there, the same type of belt later used in serpentine drive systems, for the water pump & alternator. Note that it is not "snake-like" therefore not serpentine, although it's the same sort of belt that those use. The AC & PS belts were still the older V type.
The thing circled in the photo is the AIR pump (Air Injection Reactor) aka "smog pump". There used to be a short V belt going from the front groove of the water pump pulley to its pulley to drive it.
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