Hydraulic pump, Type 44 - questions

[cobram at juno.com]

They lowered the working pressure on later pumps.  Extra pressure may
mean premature failure of hydraulic components, but I've never seen any
actual BTDT.  I would conjecture that based on the age/mileage of the
older pump, it's pressure is probably down to, or under the maximum
pressures for the "updated" pump.  I wouldn't worry about it unless you
start getting abnormal failure rates...but then again, two or three
hydraulic system component failures a year seem to be the norm and the
price of admission to the type 44 club.

BCNU,
http://www.geocities.com/cobramsri/

David Conner <conner at cfm.Ohio-State.edu> writes:
> Could someone tell me the reason for the Bentley warning on page
> 48.17 (The edition for 1984 - 1988 Type 44), where it says ...
>
> "Caution:  The old type pump 035 145 155 G must not be installed in
> cars from 1986 model years onward"
>
> The original pump in my 1987 5ks is pn 035 145 155
> The replacement pump I've installed is 035 145 155 G
> The two pumps look the same .... Anyone know what the difference
> is?

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