Ground Connection Importance
90subaru02NUMBER 07-45-90
DATE 04-02-90
APPLICABILITY ALL LEGACY
SUBJECT: ENGINE GROUND CONNECTION
The importance of good ground connections cannot be overemphasized in today's electronically sophisticated automobile. Clean, tight connections at all locations are essential for trouble-free performance.
Figure 1:
When diagnosing complaints of "CHECK ENGINE" light illumination or, if equipped, erratic shifting of the 4EAT transmission, don't overlook checking the engine ground mounting bolt for being tight with a good, clean connection. See figure 1. Refer to the 1990 Legacy Service Manual 6-3, page 121, for additional ground location details.
This bulletin is for information only.