Good afternoon,
If the pedal goes to the floor, there is a possible issue with the master cylinder.
https://www.2carpros.com/articles/brake-pedal-goes-to-the-floor
There is air in the lines from the lack of fluid. I would replace the master cylinder and bleed the system.
https://www.2carpros.com/articles/how-to-replace-a-brake-master-cylinder
https://www.2carpros.com/articles/how-to-bleed-or-flush-a-car-brake-system
Roy
REMOVAL
1. REMOVE AIR CLEANER ASSEMBLY
2. DISCONNECT LEVEL WARNING SWITCH CONNECTOR
3. DRAW OUT FLUID WITH SYRINGE
NOTICE: Do not let brake fluid remain on a painted surface. Wash it off immediately.
4. REMOVE RESERVOIR WITH BRACKET
Remove the 2 bolts and reservoir with bracket .
Torque: 8.0 Nm (82 kgf-cm, 71 inch lbs.)
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5. DISCONNECT BRAKE LINES
Using SST, disconnect the 2 brake lines from the master cylinder.
SST 09023-00100
Torque: 10 mm nut: 15 Nm (155 kgf-cm, 11 ft. lbs.)
Torque: 12 mm nut: 19.6 Nm (200 kgf-cm, 14.5 ft. lbs.)
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6. REMOVE MASTER CYLINDER
(a)w/o VSC:
Remove the 2 mounting nuts.
Torque: 13 Nm (130 kgf-cm, 9 ft. lbs.)
(b)w/ VSC:
Disconnect the brake line from clamp and remove the bolt and clamp, then remove the 2 mounting nuts and bracket.
Torque:
Mounting nut: 13 Nm (130 kgf-cm, 9 ft. lbs.)
Clamp bolt: 5.0 Nm (51 kgf-cm, 44 inch lbs.)
(c)Pull out the master cylinder with gasket.
7. REMOVE GASKET FROM MASTER CYLINDER
INSTALLATION
Installation is in the reverse order of removal.
HINT:
- Before installation, adjust length of brake booster push rod.
- After installation, fill the brake reservoir with brake fluid, bleed the brake system.
- Check for leaks, check and adjust brake pedal.
Images (Click to make bigger)
Thursday, February 11th, 2021 AT 9:50 AM
(Merged)