After replacing a water pump and just putting in water, the pump
lasted about 2 weeks, never did that again and never lost a pump in 2
weeks again
daveS
----- Original Message -----
From: Marc Sayer <marcsayer@home.com>
To: <datsun-roadsters@autox.team.net>
Sent: Thursday, March 22, 2001 9:17 PM
Subject: Re: 2L Head gasket
. Second, while the idea of an additive
> in the coolant to "lubricate" the water pump is often used to aid
sales, and
> while most folks seem to buy into the concept, I believe it lacks a
good
> scientific basis. The bearings do not run in the coolant, there are
no parts of
> the water pump that run in the coolant that are subject to wear or
that need
> lubrication. The bearings are really the only wear parts in a pump
and they are
> sealed well away from the coolant and lubricated separately. So just
what does
> the antifreeze or additive lubricate, Seals? They are lubed with the
bearings or
> are self lubricated. While they do ride in the coolant on the one
side, I have
> never seen anywhere any indication that they need special lubricants
in the
> coolant. OTOH the one thing that all cars, and especially those with
bi-metal
> engines, need in the coolant is some sort of corrosion protection.
Antifreeze
> will give you a certain level of this. Even better is water with a
good
> corrosion inhibitor additive, or water and RedLine WaterWetter,
which is also an
> excellent corrosion inhibitor.
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