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Fun and Frolics with a W202 Water pump.

Steve Holland

Active Member
Joined
Dec 23, 2011
Messages
62
Location
Manchester, Lancs
Car
Mercedes C180 Classic Estate 1996 and a Ducati Paso 907ie in the Garage.
Having recently had the Radiator Blow up on me and wondered why? (there is a thread elswhere) I thought I might just update anyone interested.

A week last sunday just before a trip to Brighton from Manchester and a further 1200 mile up and down the A1 working..........whilst paying for the fuel at the garage I noticed a puddle forming under the engine - problem found as a leaking fuel pump seal. With no time to fix I threw a bottle of Radseal in and took a punt on completing the journey south. Journey complete the following morning and with local floods surrounding me I journeyed to my first job of the week only for the water light to come on.

A quick call to GSF Worthing resulted in collection of a new pump at end of days play promptly at 5.25pm.

Tools on board I proceded to the little chef outside the previous nights digs in Haywards Heath keeping a watchful eye on the water temp which stayed just above the 80 mark.

Ready for a couple of hours work I started to dismantle the pump fan only to find the centre nut siezed solid. fully aware of the direction of where I was heading I gritted my teeth and dismantled the front end taking the rad fully out.

Only to Still not get any free movement

So cursing my luck I proceded to unbolt the pump with the pully in situ - fiddly.

Finally with the pump off and tools to hand I tried in vain to seperate said articles from the pump. No success there.

Now with some bolts still in situ, no pump I was also stranded and I was due in Middlesborough at 7am the following morning.

Inspection showed that the reason for the fan body not unscrewing was that it was turning on the internal shaft.

So with nothing else to gain the plan was simple Smash the pump to pieces and hopefully extract the pully that way and buy another fan unit from a breakers when able that week.

Understandably this generated some local interest what with the banging and cursing.

Luckily a very pleasant local gent attached with the Little chef showed some interest and offered the use of a 7lb Club Hammer whose effect was immediate.

Having smashed the body away I was left with the shaft, bearings pully and fan body.

With the addition of Stilsons I was able then to knock the 2 bearings out of the shaft.

With my ever present new friend present offering massive encouragement and his lady friend giving me the most delicious free cup of frothy coffee I started to smash my way with a chisel acros that bloody siezed nut.

Low and behold it moved!!!!!

So with stilsons tight around the now exposed shaft and spanner to hand between us we unbolted the fan belt body and dropped off the pully.

Once rebuilt including the still yet undamed fan body and water filled and 5 hours later it was off to Middllesborough arriving at 7 am the following morning after a 2 hour stop for a kip at Ferry Bridge (in a nice soft bed curtesy of work).

Moral of the story.

Carry a Bigger hammer,,,,,,,,,,,,,, and


If your Radiator blows up big time it might be your water pump that is faulty.


Fix it at home you might not meet as many kind folk but you will at least get more than 2 hours decent kip.
 
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Oh the joys of car ownership. A simple job made more difficult by a stubborn nut.
Still gotta love that feeling of awesomeness when you overcome it lol.
 

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