Ninety-Eight V6-252 4.1L VIN 4 4-BBL (1982)
FIGURE 2
2.
Use a hand-held vacuum pump to apply 15" Hg (51 kPa) vacuum to the vacuum break. See Figure 2.
A.
The vacuum break plunger should move full travel. Apply finger pressure to plunger to see that it has moved through full travel. If not,
replace the vacuum break and adjust to specification. The labor operation time for replacing the vacuum break unit includes adjustment.
B.
The vacuum break diaphragm SHOULD HOLD VACUUM FOR AT LEAST TWENTY SECONDS. If it does not, replace the vacuum break
and adjust to specification.
REMINDER:
The carburetor vacuum break is covered under the Five-Year/50,000-Mile Emission Control Systems Warranty. Refer to the
"Oldsmobile Service Policies and Procedures Manual."
