[Roadsters] Quick overheating

[RacerY at comcast.net]

The stinker is that there's no real way to test one-  (any ideas, all?)
you can unhook a hose and check for 'good flow' when 
the engine's cranking, but I've got no idea what 'good flow' is!

I've always removed 'em and looked at the impeller- once, on a 
car which overheated quickly, the impeller had fallen off the shaft!

sorry, not much help here,
Toby

 -------------- Original message ----------------------
From: ljordan704 at netscape.net
> 
>  If the waterpump is not leaking from below, what is the best way to test it? 
> Can you assume it works if both radiator? hoses get hot thus assuming the water 
> is circulating? Or could the water get hot without a functioning water pump?
> TIA
> 
> Linda
From: ljordan704 at netscape.net
To: racery at comcast.net, datsun-roadsters at autox.team.net
Subject: Re: [Roadsters] Quick overheating
Date: Thu, 18 Oct 2007 18:33:52 +0000
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   If  the  waterpump  is not leaking from below, what is the best way to
   test  it? Can you assume it works if both radiator  hoses get hot thus
   assuming  the water is circulating? Or could the water get hot without
   a functioning water pump?
   TIA
   Linda

   -----Original Message-----
   From: racery at comcast.net
   To: roadster list <datsun-roadsters at autox.team.net>
   Sent: Thu, 18 Oct 2007 9:16 am
   Subject: [Roadsters] Quick overheating

2 thoughts, first is 'doh'-

it does have a fan belt on it, right?

Second is, if a compression test turns out ok,

check the water pump.  They don't usually fail,

but it's possible.  Or, a large piece of crud

has gotten loose and blocked a passage....

hth,

t

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