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| Mk1 Brake Booster https://www.ausmini.com/forums/viewtopic.php?f=2&t=81215 |
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| Author: | AJ [ Wed Apr 24, 2013 6:36 pm ] |
| Post subject: | Mk1 Brake Booster |
I am going to get my Mk1 brake Booster reconditioned as it has stopped working . Have had 4 quotes all around $450-$500 . What I want to know is , were these plated like the MK2 or just painted black ?? It is painted black at the moment |
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| Author: | miniron [ Thu Apr 25, 2013 10:13 am ] |
| Post subject: | |
All the pressed metal parts were plated but the cylinder was never plated or painted. It was just left as cast. There is a difference in the plating of the pressed metal parts. Early ones were finished in a bluish silver grey zinc/gal/cad? coating. Later ones were finished in a pale gold passivated zinc/gal/cad? coating. I'm not sure about the exact type of coating. I had mine redone several years ago. IIRC it was galvanized and then passivated. Its the passivation that gives the gold colour and provides some extra corrosion resistance. Hope this helps RonR |
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| Author: | AJ [ Thu Apr 25, 2013 11:04 am ] |
| Post subject: | |
Ok thanks for that Ron ,I will go with the place that does the plating ....cheers |
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| Author: | John Smidt [ Thu Apr 25, 2013 11:11 am ] |
| Post subject: | |
As Mentioned The Mk1 Pressed Metal Parts are Zinc Plated And Clear Passivated The Mark 2 Is Zinc Plated and Orange Passivated |
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| Author: | Mick [ Thu Apr 25, 2013 12:41 pm ] |
| Post subject: | |
Don't be led around on how hard it is to rebuild them. Yes the parts were a little difficult to source, but that was a transient problem. Check out J&L Spares at http://www.jlspares.com/sealkits1.htm There's even seal kits on eBay these days. Although you often need another part or two which can only be identified by pulling one down. J&L are good for these parts http://cgi.ebay.com.au/ws/eBayISAPI.dll ... 1215157894 |
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| Author: | AJ [ Thu Apr 25, 2013 1:18 pm ] |
| Post subject: | |
Thanks for the info John and Mick , much appreciated ....cheers |
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| Author: | Asiemek [ Sat Apr 27, 2013 11:05 am ] |
| Post subject: | |
Hey mate, i got a quote to rebuild a VH44 yesterday from a local clutch and brake joint for $250. maybe that helps for comparison purposes. |
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| Author: | AJ [ Sat Apr 27, 2013 12:10 pm ] |
| Post subject: | |
Yes I had my VH44 rebuilt for about that when I had my Mk2 S . The Lockheed parts it seems are more expensive .............PBR are now making brand new VH44's http://www.minisport.com.au/category120_1.htm |
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| Author: | Mick [ Sat Apr 27, 2013 4:13 pm ] |
| Post subject: | |
The VH44s are easier to rebuild, as they come apart a little easier. The Lockheed boosters have two items which will affect the cost to a large degree. These are the Air Valve and the hard chromed piston push rod. The push rod naturally needs specialist rechroming, and the air valve is an unnecessarily complicated little device when you look at its construction. The air valve was much simplified on later boosters. When they give you a blanket quote, they must take the risk that one or both of these will require replacing, so will quote with that in mind. In practice however the air valve will usually be fine. |
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| Author: | winabbey [ Sat Apr 27, 2013 5:26 pm ] |
| Post subject: | |
Might be worth a call to Terry Morgan (Hydroboost) to see if he still does a Mk 1 booster resto. I think I heard somewhere that he now only does the PBR (VH44-J for the Mini). He quotes $195 for these. http://www.hydroboost.com.au/ |
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| Author: | 1071 S [ Sat Apr 27, 2013 6:11 pm ] |
| Post subject: | |
Its no big deal to do it yourself. The Leyland "Black" book has an assembly diagram. Pretty much the only part you can recondition (rather than replace) is the bore - which can be stainless sleeved (not quite DIY 
Other wise its just a case of replacing the grotty bits. Cheers, Ian |
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