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1986-1989 Toyota Land Cruiser | Base | 6 Cyl 4.0 L GAS, 6 Cyl 4.2 L GAS
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Toyota Land Cruiser Brake Master Cylinder
If you're thinking about purchasing OEM parts for your Toyota Land Cruiser, our website is your one-stop destination. We stock an extensive selection of genuine Toyota Land Cruiser Brake Master Cylinder at pocket-friendly prices. Plus, we guarantee a swift delivery and a hassle-free return policy for your convenience.
Toyota Land Cruiser Brake Master Cylinder Parts Questions & Experts Answers
Q: How to service and repair the brake master cylinder on Toyota Land Cruiser?
A: Begin brake master cylinder service and repair by mounting the hydraulic brake booster onto Special Service Tool: 09630-00014 (09631-00142) and 09950-60010 (09951-00180 and 09951-00190). Start repairs of the brake master cylinder by detaching the fluid level warning switch connector followed by unbolt and unclamp removal. First step entails removing the reservoir cap followed by extracting three set screws which allows safe removal of the reservoir after securing proper torque to 1.7 Nm (17.5 kgf-cm, 15.2 inch lbs.) together with the three grommets. Loosen the lock nut before extracting the clevis and lock nut through a torque of 25 Nm (260 kgf-cm, 19 ft. lbs.). This will allow removal of the cylinder boot. Brake Actuator Tube No.1 should be removed using Special Service Tool: 09023-00100 followed by a torque adjustment to 15 Nm (155 kgf-cm, 11 ft. lbs.). The booster pump and assembly requires initial removal of the actuator hose before proceeding to take out the four screws and wire harness and next extracting two accumulator bracket bolts and two booster pump motor assembly bolts followed by a bolt from the No. 1 pump bracket and lastly the two bolts and cushion from the No. 2 pump bracket. Use a part No: 89637-30050 to replace the master cylinder pressure sensor by applying a 30 mm deeper socket wrench with 81 Nm torque (830 kgf-cm, 60 ft. lbs.). A screwdriver will push in the piston so a pin can force out the snap ring before removing the piston in a straight direction to protect the cylinder bore. Use Special Service Tool: 09318-12010 to remove the booster pump accumulator while torquing it to 54 Nm (550 kgf-cm, 36 ft. lbs.). Remove the silencer tube and spring together with its O-ring. Test the hydraulic pump motor through terminal connection of battery leads to keeper terminals. To dispose of the accumulator position it in a vise while covering it with a piece of cloth before carefully sawing the body only at the stretch section to allow safe gas discharge. Reassembly requires the opposite sequence of disassembly while properly adjusting the accumulator bracket through clearance measurements as point A should add point B for no more than 4.1 mm (0.161 inch) and point C should maintain a range of 0.3 - 3.8 mm (0.012 - 0.150 inch) with at least 0.3 mm (0.012 inch) allowed for A and B.