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david craig
david craig, Auto Mechanic
Category: Mercedes
Satisfied Customers: 3355
Experience:  owner/mechanic at 3D Automotive
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I need to replace the water pump, Serviced last month. Has

Customer Question

I need to replace the water pump
JA: Has the vehicle ever overheated? And when was it last serviced?
Customer: Serviced last month. Has not overheated. The serpentine belt broke a couple weeks ago, I replaced it but now notice a noise that I think is the pump
JA: What is the model/year of your Mercedes?
Customer: 2003 S430
JA: Are you fixing your S430 yourself? What have you tried so far?
Customer: Nothing yet. I want to replace the pump myself if it is not too big a job
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 11 months ago.
Category: Mercedes
Expert:  david craig replied 11 months ago.

Hi Im David, thanks for visiting the site, please allow me to look up thae instructions for you. thank you.

Expert:  david craig replied 11 months ago.

The labor guide is calling for 5.0 hours.

Here are the steps from the service manual attached

Expert:  david craig replied 11 months ago.

the sequence of attachments should be s430,s4301,s4302, s4304,s4305

Expert:  david craig replied 11 months ago.

here are the special tools needed