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PV, 120 (Amazon), 1800 General Forum for the Volvo PV, 120 and 1800 cars |
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amazon brake servoViews : 1999 Replies : 8Users Viewing This Thread : |
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Aug 5th, 2014, 20:45 | #1 |
New Member
Last Online: Apr 7th, 2018 17:27
Join Date: Apr 2014
Location: Basildon
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amazon brake servo
Hi I'm wishing to put a brake servo on my amazon
Was just wondering if there were any cheap options as can't find any on ebay and am working on a budget |
Aug 5th, 2014, 21:52 | #2 |
1800necwinner
Last Online: Yesterday 15:28
Join Date: Oct 2008
Location: East Anglia ,Suffolk , uk
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hi ya
try using a MG remote brake servo its a fraction of the cost from any good MG parts retailer or fleabay on this search ---- > http://www.ebay.co.uk/sch/i.html?_tr...at=0&_from=R40 kind regards robert
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Aug 6th, 2014, 09:29 | #3 | |
The Old Volvo Man
Last Online: Apr 2nd, 2024 21:20
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Tony Barrett The Old Volvo Man |
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Aug 6th, 2014, 11:27 | #4 |
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Tony, can you clarify the changes to the rear cylinder sizes please. I believe the change was made when the rear brake anti lock valve was fitted. Was it 7/8" (or 3/4"?) originally and then changed to 1" when the valve was fitted, or the other way round? There were other changes at about this time to the adjusters and maybe other things too.
Estates with discs should have had servos fitted from new although many have been deleted. Means that unless they had different rear cylinders than the saloons they would have been prone to rear brake lock unless they were well loaded. Looks like Volvo addressed the problem with the anti lock valve and cylinder size change for '66 (?) models. Certainly a servo makes locking the brakes easier, but although it's easier to control when braking hard, it doesn't actually improve/give better braking. A comment re the cheap MG dealer and eBay servos, these are Chinese copies and have flooded the market a bit. There are a few negative comments about them around the net, so "buyer beware". |
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Aug 6th, 2014, 23:03 | #5 |
Too many cats
Last Online: Aug 24th, 2023 09:02
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Location: Birmingham
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Servos and cylinders
Only ever had problems with rear brakes locking on very early cars without the limiting valve. Anything from 64ish onward should be fine. Servo was an option on saloons and I come across them where they never had one, have a Lockheed replacement or have the servo bypassed and/or removed. My California estate has lost its servo but I can live with it.
I do not trust the Girling servos (old or reconditioed) as they will leak internally and you may not notice the fluid loss as it gets sucked into the engine and burned. The Lockheed is a less sophisticated device but usually reliable. I've used many genuine ones in the past without issues, but not yet one of the copies mentioned above.
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Mark Last edited by Volvorama; Aug 6th, 2014 at 23:04. Reason: Duh... |
Aug 7th, 2014, 09:42 | #6 |
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I used one of the servos one of the MG parts sellers on eBay. The reason I went for that is because I couldn't find a genuine Lockheed one; they all seem to be Lockheed Delphi now, so I understand they're all the same, but stand to be corrected.
I got on to my usual Amazon parts supplier who stocks them at much more than these eBay sellers and got him to send through good photos of his kit - they're the same. To date - though not many miles covered - I've had no problems. These versions come in different boost pressures which are much more than the standard Girling units. I bought quite a powerful one as it's an estate and I tow. I made up a bracket which is alrightish, but Skandcar list a bracket, though out of stock: http://volvoonderdelen.com/Amazon-22...riginal-p-679/
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2006 XC70 D5 Manual 1968 Amazon Estate, B18A + Overdrive 2019 V60 D3 Momentum Pro Manual 1970 Amazon 2-Door 1970 142DL |
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Aug 7th, 2014, 11:28 | #7 | |||
Amazoniste
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Paul - 1967 Amazon 222S B20 o/d Estate & 1961 A-H Sprite Mk2 948cc WANTED - For '67 Amazon estate - offside rear quarter, preferably new old stock. Last edited by 222s; Aug 7th, 2014 at 11:33. |
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Aug 7th, 2014, 15:43 | #8 |
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The one I got was a 2.3:1 and you can go all the way up to 3:1. The standard one is only about 1.4:1 from memory.
The more powerful servo you get, the less feel you get through the pedal. Obviously, the more powerful ones result in bigger results at the brakes from less force on the brake pedal. My sister, a weakling, once drove my Amazon saloon with no servo and found the brakes poor. Personally, being a he-man myself (!!) I have no problems with the brakes. If you're strong on the brake pedal, you can get a non-servo car to lock up just as well as a car fitted with a 3:1, but you don't have to stand on the pedal; a servo doesn't make the brakes perform any better, just makes the brakes easier to operate. All said, I find a servo makes the brakes more controllable. You get less of an on/off feel on the pedal. Instead, it's more progressive. There's one thing that I find with a remote servo. When you come off the pedal, there is a sensation that the brakes are momentarily still on. I always found this with VW Campers which have a powerful remote servo. It takes a while to get used to it.
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2006 XC70 D5 Manual 1968 Amazon Estate, B18A + Overdrive 2019 V60 D3 Momentum Pro Manual 1970 Amazon 2-Door 1970 142DL |
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Aug 8th, 2014, 00:03 | #9 | ||
Amazoniste
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Paul - 1967 Amazon 222S B20 o/d Estate & 1961 A-H Sprite Mk2 948cc WANTED - For '67 Amazon estate - offside rear quarter, preferably new old stock. |
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