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Supercharger

Sulgan1

New member
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Buick Ownership
87'LeSabre T-Type, 86'LeSabre coupe, 92'Riviera
Have a 1995 Olds 98 Regency Elite with the series I supercharged 3800 V6. Car has lost power and makes a rattling noise from the supercharger (sounds like a bad tensioner). Believe the supercharger has an issue inside. Anyone know of reputable rebuilders? Parts sources? Are used units to be considered? Any input would be greatly appreciated. Having a difficult time locating information and parts regarding this car. Thank you. Ray
 

HotZ28

Full Member Since 2005
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Buick Ownership
1996 Roadmaster Limited Collectors Edition 58k - 1996 PAU 2019 Regal GS
 
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LARRY70GS

Full Member
3,405
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Oakland Gardens, N.Y.
Buick Ownership
98 Riviera, 70 GS455 Stg1
Change the coupler. That's why they rattle. That shouldn't by itself reduce power. It would help if you had a boost gauge to see if it was getting boost. There is a valve that closes to route air through the supercharger, the BBV Boost Bypass Valve.


 
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