you should have about 23 or so vacuum on either port.
Brian Smyla wrote:
The vacuum pump on the engine in my '86 300SDL has two ports; one is for the
brake booster, the other is a smaller port that appears to handle the
emission control system. Does the pump supply vacuum to both of these
The T on mine was cracked right where the line from the Vacuum pump
meets the bottom T - it wasn't obvious - had to look hard to find that
leak.
On 12/14/05, Peter Frederick [EMAIL PROTECTED] wrote:
No, it's not. Either the port itself or the line is plugged, probably.
The hose coming up form
The vacuum pump on the engine in my '86 300SDL has two ports; one is for the
brake booster, the other is a smaller port that appears to handle the
emission control system. Does the pump supply vacuum to both of these
ports? I have vacuum on the brake booster port, but not on the smaller
port.
The vacuum pump on the engine in my '86 300SDL has two ports; one is
for the
brake booster, the other is a smaller port that appears to handle the
emission control system. Does the pump supply vacuum to both of these
ports? I have vacuum on the brake booster port, but not on the smaller
port.
This seems to indicate the small port is plugged.
There is supposed to be an inline filter fitting where
the hose from the small port to the + connector to
intercept the dust/particle in the line. Without it
the small port will be clogged up over the time. The
small plastic inline filter (has mesh
Brian Smyla wrote:
The vacuum pump on the engine in my '86 300SDL has two ports; one is for the
brake booster, the other is a smaller port that appears to handle the
emission control system. Does the pump supply vacuum to both of these
ports? I have vacuum on the brake booster port, but not on
No, it's not. Either the port itself or the line is plugged, probably.
The hose coming up form the small port has a restriction in it (yellow
plastic connector) that you may need to remove to get vac at the five
way T connection.
If you have vac at the T with all the lines plugged, verify
