Water Pump Life Expectancy?

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Old 05 Oct 2006, 04:37 am   #1 (permalink)
mjc
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Default Water Pump Life Expectancy?

We just bought a '95 LE four wagon. The timing belt was done
at 63k miles, but we see no receipt for water pump replacement.
It has 108k miles on it now. If this is the original water pump,
can we reasonably expect it to last until Spring, say another 5k
miles?
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Old 05 Oct 2006, 11:31 am   #2 (permalink)
Daniel
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Default Re: Water Pump Life Expectancy?

mjc<DELETETHIS>13 wrote:
> We just bought a '95 LE four wagon. The timing belt was done
> at 63k miles, but we see no receipt for water pump replacement.
> It has 108k miles on it now. If this is the original water pump,
> can we reasonably expect it to last until Spring, say another 5k
> miles?

=============================
Recommended replacement interval for timing belts on your engine is
60,000 miles.
If you have been using Toyota coolant and distilled water, the water
pump should be fine until 120,000 miles. Generally with a Toyota water
pump, the failure mode will begin with weeping at the seal so you would
have advance notice.

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Old 05 Oct 2006, 07:49 pm   #3 (permalink)
johngdole@hotmail.com
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Default Re: Water Pump Life Expectancy?

Water pump usually fail slowly. It first starts leaking coolant, and
then the corrosion takes out the bearing. So if the car isn't using
coolant and you don't have air in the radiator, it should be fine for
now.

Some mechanics skip the water pump every other timing belt change if it
turns smoothly and doesn't appear to be leaking at the 60K interval.
But some Toyota pumps, well maintained with OEM coolant and distilled
water, would start leaking coolant and giving the frequent "mysterious
coolant use" problem many have posted about. I have seen both.

My take is that the 4 cyl pump is about $35 (Beck Arnley,
www.rockauto.com) to $57 (Aisin, the OEM pump). Toyota or the new
Prestone Extended Life coolant and distilled water no more than $15.
Just change it every time you do the timing belt, because it takes 3-4
hours to get at the pump at the book rate.


mjc<DELETETHIS>13 wrote:
> We just bought a '95 LE four wagon. The timing belt was done
> at 63k miles, but we see no receipt for water pump replacement.
> It has 108k miles on it now. If this is the original water pump,
> can we reasonably expect it to last until Spring, say another 5k
> miles?


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Old 05 Oct 2006, 10:19 pm   #4 (permalink)
mjc
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Default Re: Water Pump Life Expectancy?

Daniel wrote:
> mjc<DELETETHIS>13 wrote:
>
>>We just bought a '95 LE four wagon. The timing belt was done
>>at 63k miles, but we see no receipt for water pump replacement.
>>It has 108k miles on it now. If this is the original water pump,
>>can we reasonably expect it to last until Spring, say another 5k
>>miles?

>
> =============================
> Recommended replacement interval for timing belts on your engine is
> 60,000 miles.
> If you have been using Toyota coolant and distilled water, the water
> pump should be fine until 120,000 miles. Generally with a Toyota water
> pump, the failure mode will begin with weeping at the seal so you would
> have advance notice.
>



Thanks. We'd rather wait until Spring if it's safe to do so.
I doubt that Toyota coolant was used, though - the car was
serviced mainly at an indie shop.
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Old 06 Oct 2006, 09:46 am   #5 (permalink)
Stubby
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Default Re: Water Pump Life Expectancy?

Water pump bearings make an awful squeel as they are failing. I drive
until this happens (or it's time for a timing belt replacement) and head
for the repair garage at that time.
Labor will far exceed the cost of the hardware. They will probably ask
for 2 hours at $80 each.


johngdole@hotmail.com wrote:
> Water pump usually fail slowly. It first starts leaking coolant, and
> then the corrosion takes out the bearing. So if the car isn't using
> coolant and you don't have air in the radiator, it should be fine for
> now.
>
> Some mechanics skip the water pump every other timing belt change if it
> turns smoothly and doesn't appear to be leaking at the 60K interval.
> But some Toyota pumps, well maintained with OEM coolant and distilled
> water, would start leaking coolant and giving the frequent "mysterious
> coolant use" problem many have posted about. I have seen both.
>
> My take is that the 4 cyl pump is about $35 (Beck Arnley,
> www.rockauto.com) to $57 (Aisin, the OEM pump). Toyota or the new
> Prestone Extended Life coolant and distilled water no more than $15.
> Just change it every time you do the timing belt, because it takes 3-4
> hours to get at the pump at the book rate.
>
>
> mjc<DELETETHIS>13 wrote:
>> We just bought a '95 LE four wagon. The timing belt was done
>> at 63k miles, but we see no receipt for water pump replacement.
>> It has 108k miles on it now. If this is the original water pump,
>> can we reasonably expect it to last until Spring, say another 5k
>> miles?

>

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