Thanks for the responses to my previous question. Now I have to ask a
different to get to the answer I am seeking. The water pump will fail
eventually, but what is the likelihood that it will also lead to engine
damage due to plastic impeller pieces getting into the cooling system?
If the likelihood is small, it may not be worth it to change the pump now
(at 140K miles). I inderstand that at the first sign of cooling system
problems, I am to stop driving, and unless there is a visible leak, given
the cir***stances, I am to change the pump and see if there is still a
problem.
Thanks again for your responses.
Carver
"John Carrier" <jxc2@[EMAIL PROTECTED]
> wrote in message
news:Uvednc12PLQxHpHVnZ2dnUVZWhednZ2d@[EMAIL PROTECTED]
> Miller had no confidence in either the old plastic impeller nor new
metal
> impeller pump. Only the mode of failure changed.
>
> R / John
>
> "news RR" <chaching@[EMAIL PROTECTED]
> wrote in message
> news:480bdfdd$0$12975$4c368faf@[EMAIL PROTECTED]
>> isnt the 60k replace the case with the older plastic impeller's ?
>> i think the metal ones will last to 100k +
>> my old plastic one failed at 77k .luckily no pieces went into the
engine.
>>
>> "John Carrier" <jxc2@[EMAIL PROTECTED]
> wrote in message
>> news:qaWdnUvhAZsnfZTVnZ2dnUVZ_r2nnZ2d@[EMAIL PROTECTED]
>>>
>>> "carver audain" <twotrinis@[EMAIL PROTECTED]
> wrote in message
>>> news:j6RNj.13288$Q53.5628@[EMAIL PROTECTED]
>>> > All,
>>> >
>>> > I have a 99 328I with 140,000 miles reasonably trouble free so far.
>>> > Should I pre-emptively replace the water original pump and at what
>>> > mileage? Otto at Bavarian Autos****ts thinks I should. Anyone out
>>> > there
>>> > has an opinion or recommendation, or some experience? I plan to
keep
>> the
>>> > car until it dies because simply cannot afford to replace cars
unless
>>> > there is a very very good reason.
>>> >
>>> > Thanks for all responses.
>>>
>>>
>>> Mike Miller, the tech guru for Roundel and Bimmer mag, suggests
>>> replacing
>>> the water pump at 60K. It's not that expensive unless you go with the
>>> Stewart aftermarket pump which allegedly is made to a much higher
>>> standard
>>> (roughly 3 times the cost).
>>>
>>> R / John
>>>
>>>
>>
>>
>
>
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