View Full Version : Replace Accumulator
WilliamHecht
03-20-2007, 04:28 PM
Any of you sages have experience replacing an accumulator on a
'91 Range Rover?
I am new here, so forgive my rookie status.
Bill
It's in a tricky spot, bolts under the fender & alot of wiring in the way. Bleeding after replacement is a very specific procedure defined in the shop manual. Many bleeders (14 if if I remember correctly), a two man job with a pressure bleeder & 2 quarts of Castrol LMA fluid.
Pressure bleeder: Model 0100
http://www.motiveproducts.com/02bleeders.html
JeffB
03-21-2007, 08:20 PM
I have not replaced the accumulator but I have the Motive powerbleeder and would definitely recommend getting one!
WilliamHecht
03-22-2007, 10:25 AM
So this is not a simple operation!
Thanks, guys,
Bill
WilliamHecht
03-22-2007, 01:43 PM
What would happen if I just replaced it? I realize that there is some old oil in the system . ...
This thing is charged with nitrogen I understand. How do you remove/install without losing charge?
Accumulators similar to this piece are used in many applications. There is a rubber diaphragm inside that isolates the nitrogen gas from the fluid:
http://www.oilairhydraulics.net/Diaphragm.htm
Changing it isn't that difficult, bleeding afterwards is time consuming, but not particularly difficult. Procedure needs to be followed to the letter, but it is well written in the Rover shop manual. Fluid should be replaced periodically regardless.
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