factory photos
Safety Car
Joined: Jul 2003
Posts: 3,500
Likes: 879
From: Saratoga Springs NY
2024 C4 of the Year Finalist - Modified
2022 C4 of the Year Finalist - Modified
Hard to tell in photo, but the water pump has a large metal 'Frisbee' attached to it from the factory that most people remove. The belt is a serpentine style and is driven along with rest of the accessories.
Thread Starter
Drifting
Joined: Jun 2012
Posts: 1,391
Likes: 73
Different years. I found out its a damper like on the crank used on 89 and newer water pump. Bottom pic looks like an older engine since it does not have the top valve cover bolts. Probably should not remove it if Gm spent money to put it on.
Drifting
Joined: Jan 2021
Posts: 1,313
Likes: 384
From: Northern California
You'll get many different opinions on this, but my understanding was that back in the day GM added the frisbee damper on the water pump pulley to solve a problem where some cars would throw the belt. I don't know if all cars were susceptible to it, but manual gearbox cars went on-hold from orders being fulfilled until this and other issues were solved. In some conditions, under high-rpm / AC compressor engagement shock to the belt / gearshifts changing RPM to the engine, the frisbee was designed to smooth out some of those belt shocks. Most people on here report no problem removing the frisbee and keeping it off though, so your mileage may vary.
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Team Owner
Joined: Aug 2004
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From: Park City Utah
Safety Car
Joined: Jan 2005
Posts: 3,737
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From: Missouri Ozark's
I think this pics been post before, here’s a link with more pictures
https://www.bing.com/images/search?q...mageHoverTitle
Intermediate
Joined: May 2022
Posts: 32
Likes: 10
From: CT
There are factory L98 pictures in this thread: https://www.corvetteforum.com/forums...e-routing.html
