Position of brake fluid reservoirs.
#1 Position of brake fluid reservoirs.
I believe I am right in thinking that on the series 2 cars the brake fluid reservoirs were in different places depending on whether the car was LHD or RHD. Which was it that had them placed together, alongside the clutch fluid reservoir, on the OFFSIDE bulkhead?
Jonathan
Series 2 FHC, 1968
Series 2 FHC, 1968
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#2 Re: Position of brake fluid reservoirs.
Hi Jonathan....not sure for all S2 cars but typically on US lhd the 2 brake and clutch reservoir were mounted on a heat shield by the exhaust manifold....on UK rhd the front brake and clutch were on the right of bulkhead and the rear brake reservoir on the left of bulkhead......google search will show plenty of images....Steve
Steve
69 S2 2+2 (just sold) ..Realm C type replica, 1960 xk150fhc
69 S2 2+2 (just sold) ..Realm C type replica, 1960 xk150fhc
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#3 Re: Position of brake fluid reservoirs.
Thank you Steve.
Jonathan
Series 2 FHC, 1968
Series 2 FHC, 1968
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#4 Re: Position of brake fluid reservoirs.
Reading your question, rhd S1 cars had all 3 together in front of the driver with the clutch bottle nearest the wing, RHD S2 cars had a clutch and brake bottle in front of the driver and the second brake bottle above the passengers knees. LHD cars had the bottles mounted on a heat shield to the left of the downpipes. Hope this helps.
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#5 Re: Position of brake fluid reservoirs.
If you want a system that works well, rather than the one that Jaguar may have fitted to your car, then it is a good idea to have the brake master reservoir and brake booster reservoir at the same height as each other.
During normal operation, this is of no advantage, but as the car ages, the seal on the shuttle in the brake booster will fail one day and brake fluid can then move between the two circuits. If the slave reservoir is fitted lower down than the master cylinder reservoir sits, then this will simply result in the master cylinder reservoir emptying its whole contents into the booster reservoir, as it'll gravity feed down. It'll make a mess when it overflows and you'll run out of fluid in the master circuit.
If you fit the booster reservoir bottle at the same height as the master reservoir, then once the same booster seal problem occurs, all that happens is a couple of droplets leak through everytime the brakes are applied. It'll take several days of ordinary driving before you notice the level has even changed - it'll go down 5mm in the master and up 5mm in the booster reservoir. Hardly a panic and you have all the time in the world to change the seal in the booster - there is no loss of fluid.
kind regards
Marek
During normal operation, this is of no advantage, but as the car ages, the seal on the shuttle in the brake booster will fail one day and brake fluid can then move between the two circuits. If the slave reservoir is fitted lower down than the master cylinder reservoir sits, then this will simply result in the master cylinder reservoir emptying its whole contents into the booster reservoir, as it'll gravity feed down. It'll make a mess when it overflows and you'll run out of fluid in the master circuit.
If you fit the booster reservoir bottle at the same height as the master reservoir, then once the same booster seal problem occurs, all that happens is a couple of droplets leak through everytime the brakes are applied. It'll take several days of ordinary driving before you notice the level has even changed - it'll go down 5mm in the master and up 5mm in the booster reservoir. Hardly a panic and you have all the time in the world to change the seal in the booster - there is no loss of fluid.
kind regards
Marek
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