Riviera V6-231 3.8L Turbo VIN 3 4-bbl (1982)
Fig. 14 Rear vacuum break adjustment
Rear Unit
Install carburetor angle gauge tool No. J-26701 or BT-7704 as shown in Fig 10.
With gauge installed, adjust vacuum break as outlined in Fig 14.
Buick Workshop Service and Repair Manuals
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