Affected Component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

Date Published

NOV 01, 1995

NHTSA TSB #

46404

TSB Document

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Porsche for this TSB. Call your local Porsche dealer's service department & ask for a copy of TSB# GRP4/9506.

Summary

EXCESSIVE OPERATING NOISE FROM THE HYDRAULIC BRAKE BOOSTER PUMP. TO REDUCE THE OPERATING NOISE FROM THE HYDRAULIC BRAKE BOOSTER PUMP, A DAMPER (ARROW, FIGURE 1) CAN BE INSTALLED BETWEEN THE PUMP AND THE BRAKE SYSTEM ACCUMULATOR.