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PRV for Bosch convertion circa 2002


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Ladies & gentlemen of the forum

 

I have a used, long bodied PRV assembly going begging, I have had a new diphragm type PRV fitted to my '6'.

This long bodied PRV is etched on 2 of the 6 faces as follows;

- 730943

- 5073

 

The reason for the change was that this PRV was allowing the pump to run at 145psi and would not come down below that figure.

 

Having got the car running better than she ever has, out of interest, I decided to take a look at this old PRV.

 

On taking it apart, I found that at some point, 2 extraneous washers had been put under the spring, increasing the load rating of the assembly. These I have removed.

 

I will, I hope, be cleaning and lightly oiling the bits over the weekend

 

I have attached a photo of the components, as assembled, less the added washers

 

If you are interested, let me know

Edited by wjgco
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