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kurlykris
Watkins Glen


Joined: 30 Jun 2014
Posts: 2131
Location: Warwickshire


PostPosted: Thu Aug 09, 2018 5:45 pm    Post subject: Boxster S 987.1 water pump, is it an easy DIY ? Reply with quote

Nightmare car week for me, Mercedes is stuck on the drive waiting for new discs and pads all round, parts on thier way !

So, have been using the Boxster for work Very Happy

I jumped in her to go to work this morning and she sounded grumpy, dry bearing noise behind me by the sounds of it, so threw my tools and whatnot in the 911 and off I went down to a job in Evesham Very Happy

I got home and for the first time ever for me, I put the hood in service position and removed the Bose Sub, carpet bits and access panels to have a gander at the pulleys and belt. Car sounded fine when I started her up, so switched off and dropped the serpentine belt off, had a feel of the ancillary pulleys and tensioner pulley, all fine, but the water pump was all but hanging off, I can waggle the pulley from side to side by about 5mm Surprised

So, the question is, do I DIY it or put it back together and limp to my local German car specialist ?
Will I have a nightmare burping the cooling system if I replace the pump myself ?
I looks a very small and tight space to work to be honest and as the car is due a service and they have to get all the access panels off to do that, should I just get them to change it during the service Question

Dirty engine nooo




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1998 996.1 C2 3.4 with "Aerokit Cup"
2006 Boxster S sport chrono
2010 Mercedes E350 AMG Sport

 
  
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deMort
Shanghai


Joined: 21 Mar 2015
Posts: 4907
Location: Brighton


PostPosted: Thu Aug 09, 2018 7:36 pm    Post subject: Reply with quote

Young man .. its pretty easy Very Happy

You should have no trouble .. but the labour cost will be around the 1.5 - 2.0 hour mark if you want to get it done whilst its in for a service .

You do it from inside mainly .. theres x1 bolt thats a little tricky and thats n/s and the lower one ... other than that its straight forward .

The new gasket and you cut off the oil pump part .. it comes complete .

Edit for bleeding ..

Fill it up , have someone rev it at 3k rpm and keep topping it till its full ( bleed valve open ).. screw the cap back on BEFORE they drop the revs .

R/t then leave and check in the morning .. top up and you should be sorted.

I would then put the bleed valve back to position and refit the cover over it .
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kurlykris
Watkins Glen


Joined: 30 Jun 2014
Posts: 2131
Location: Warwickshire


PostPosted: Thu Aug 09, 2018 8:25 pm    Post subject: Reply with quote

I`ve watched a few Youtube videos Iain, looks fairly straighforward, it just looks like quite a tight space to work in Grin

The irony is that I`ve been meaning to change the water pump on the 996 for the last 12 months as a precaution @109K but haven`t got round to it, the Boxster only has 60K on the clock nooo

I`m going to give it go, it`s about time I got the " but it`s a Porsche " thing out of my head Thumb

I`m going to get her bum in the air to make things easier, should I bleed the system while shes up in the air, or on level ground Question
_________________
1998 996.1 C2 3.4 with "Aerokit Cup"
2006 Boxster S sport chrono
2010 Mercedes E350 AMG Sport

 
  
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deMort
Shanghai


Joined: 21 Mar 2015
Posts: 4907
Location: Brighton


PostPosted: Fri Aug 10, 2018 7:40 pm    Post subject: Reply with quote

Thats the spirit Thumb

Its a challenge !

It is tight in a sense .. but im only little so i fit behind the seat Surprised ..

If it is too small a space then you can remove the front seat .. only 4 bolts at the end of the day .

Bleeding .. well there are many opinions on here .. all i can say is i do it on the flat , bleed valve open and reving whilst filling .

Bear in mind the bleed valve is under a cover .. you remove this then oil cap on , rev up and fit the coolant cap when its stopped bubbleing or the lvl looks ok... r/t .

You check the following day or when its cooled down and at that point you refit the cover .

Its a bit different if you have replaced the rads as thats where you get air locks .. in that case a vacumn bleeder is best Imho .


Boxster is easier than a 996 , lack of room inside yes but a 996 is best done on a ramp .. plus you have to move the engine brace bar back so engine supported is best .. and you get covered in coolant if on the floor Razz

EDIT ... only use mechanics normally see the engine and we dont care if its dirty or not Very Happy
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