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mortzz

Just done the waterpump

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Done the pump and thermostat today and got to say very very fiddly job ..  it's a struggle to get to all the bolts, if yr gona do this job make sure you have loads of different size 10mm sockets and spanners   also take the front seat out making sure you disconnect the battery first to give ya more room..  takes a lifetime just getting the plastic panel off the bottom..  and don't over tighten the bolts and put thread lock on all of them   , there is 7 bolts and 2 are a tad bigger than the rest ensure you remember were they came from , 986 should have 17lts of coolant in 

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Hi there, well done. Was this a precautionary change? 
 

Did you replace with a plastic impeller like the original?
 

Im pretty sure mine is original (130k Miles). The belt is off at the moment and it spins nicely.

Berni

Edited by Berni29

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Precautionary yes, go with OEM Pierburg and do thermostat while it's off, waterpumps are known to fail,when they do they can break up and eat into the engine,,  this information was what I've read on this forum but remember most 986 are over 20 years old so most if not all the waterpumps are well past thers service date, or you can just wait till something fails,  coolant not cheap as ya need nearly 20lts 

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Kudos on completing a tricky job! 
must be very satisfying. Thanks for the heads up on needing lots of variations on the same tool to find ones to fit. Little tips like that are golden! 

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Well done!

A little titbit of info-as the bolts have varying lengths I always draw the pump on a piece of paper/card and punch each bolt through it in the appropriate place making reassembly easier.

Edited by charlieboy2608
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Good tip cheers 👍

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On 5/17/2020 at 7:14 PM, mortzz said:

Done the pump and thermostat today and got to say very very fiddly job ..  it's a struggle to get to all the bolts, if yr gona do this job make sure you have loads of different size 10mm sockets and spanners   also take the front seat out making sure you disconnect the battery first to give ya more room..  takes a lifetime just getting the plastic panel off the bottom..  and don't over tighten the bolts and put thread lock on all of them   , there is 7 bolts and 2 are a tad bigger than the rest ensure you remember were they came from , 986 should have 17lts of coolant in 

Did the old gasket come off with the pump? If you had to cut it off from the block then the old pump was likely to be the original. If it came away with the pump then it had been changed previously. 

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The Stat bolts are the worst to get at, tucked behind the manifold you have to get quite inventive with tools!!

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