brakes

Brake Master Cylinder

for 2017 Maserati Levante 3.0L V6 Twin Turbo · AWD

Difficulty

Advanced

Time

2.5 h

Tools

Steps

✓Fact-checked. Built from OLP's spec database, then independently fact-checked line by line with every correction applied. Master-tech sign-off by Chris Hackleman is queued. Cross-check torque values against the factory manual, and stop if anything looks unsafe. How our data is made.

Replacement of the brake master cylinder on a 2017 Maserati Levante 3.0L V6 Twin Turbo, including brake fluid bleeding and system verification.

Warnings

⚠️SAFETY-CRITICAL: Brake system failure can result in loss of braking ability and cause severe injury or death. If you are not absolutely confident in performing this repair and bleeding all air from the system, have this work done by a qualified professional.

⚠️Brake fluid is extremely corrosive to paint and will cause permanent damage on contact. Cover all painted surfaces near the work area and immediately flush any spills with water.

⚠️DOT 4 brake fluid is hygroscopic and absorbs moisture from the air. Use only fresh, sealed fluid and keep containers closed. Never reuse old brake fluid.

⚠This vehicle is equipped with electronic stability control (ESC) and ABS. Improper bleeding procedures may require dealer scan tool intervention to properly purge the ABS module.

⚠The brake reservoir is integrated with the master cylinder assembly. Do not attempt to separate or reuse old components.

ℹ️The Levante uses a high-performance braking system. Only use Maserati-specified DOT 4 Racing brake fluid. Do NOT substitute with standard DOT 4 fluid.

Tools required

Flare nut wrench set (metric)Essential

Torque wrench (10-50 Nm range)Essential

Brake bleeder kit or vacuum pumpEssential

Turkey baster or fluid extraction syringe

Socket set (metric)Essential

Combination wrench set (metric)Essential

Catch pan for brake fluidEssential

Clear tubing for brake bleedingEssential

Jack stands rated for vehicle weightEssential

Floor jackEssential

Clean lint-free ragsEssential

As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Parts

Brake master cylinder × 1 — Use OEM Maserati specification
Master cylinder to booster seal/gasket × 1 — Often included with master cylinder
Brake line copper washers/seals × 4 — Use OEM specification, one per brake line

As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Fluids

DOT 4 Racing Brake Fluid — 1.5 qt

Preparation

Park vehicle on level ground and set parking brake. Place wheel chocks behind rear wheels.
Open driver's door to maintain access to brake pedal throughout procedure.
Open hood and locate brake master cylinder on driver's side of engine bay, mounted to brake booster.
Cover both front fenders with protective fender covers to prevent paint damage from brake fluid.
If master cylinder reservoir is full, extract brake fluid using syringe or turkey baster until level is at minimum line to prevent overflow during removal.
Prepare clean workspace with all tools, new parts, and fresh unopened brake fluid within easy reach.
Do NOT disconnect battery as this may trigger electronic parking brake issues and require dealer reset.

Procedure

1
Remove engine cover and air intake components
Remove the decorative engine cover by pulling upward on the front edge to release clips. Remove or reposition the air intake tube and any components blocking clear access to the master cylinder. On the 3.0L V6 Twin Turbo, you may need to loosen the air box and move it aside for working room. Take photos of component positions for reassembly reference.
2
Disconnect electrical connectors
Locate and disconnect the electrical connector for the brake fluid level sensor on top of the master cylinder reservoir. Press the locking tab and pull the connector straight off. Inspect connector terminals for corrosion; clean if necessary before reassembly.
3
Remove brake lines from master cylinder
Using a flare nut wrench (NOT a standard open-end wrench), carefully loosen each of the four brake line fittings at the master cylinder ports. Work slowly to avoid rounding off the fitting hex. Have a catch pan positioned below to capture draining brake fluid. Once loosened, unscrew fittings by hand and immediately cap or plug the open brake lines with clean rubber caps to prevent fluid loss and contamination. Note the position of each line for correct reinstallation.
Torque spec
Brake Line Fittings15 Nm (11 lb-ft)
4
Remove master cylinder mounting nuts
Locate the two mounting nuts securing the master cylinder to the brake booster studs. These are accessed from the engine bay side. Using a socket wrench, remove both nuts completely. Keep these nuts as they will be reused unless new hardware is provided with the replacement master cylinder.
Torque spec
Master Cylinder Nuts25 Nm (18 lb-ft)
5
Remove master cylinder from brake booster
Carefully pull the master cylinder straight off the brake booster studs. The pushrod from the booster will separate from the master cylinder piston. Tilt the master cylinder to drain remaining fluid into your catch pan. Inspect the brake booster pushrod for damage or corrosion; it should move freely when brake pedal is pressed. Do not lose or damage the seal/gasket between the master cylinder and booster.
6
Prepare new master cylinder
Remove the new master cylinder from packaging and verify part number matches application. Install the new seal/gasket onto the mounting flange. Bench bleed the new master cylinder before installation: secure the cylinder in a vise (protected with soft jaws), install short lengths of clear tubing into the outlet ports that loop back into the reservoir, fill reservoir with fresh DOT 4 Racing brake fluid, and slowly press the piston in and out using a wooden dowel until no air bubbles emerge from the tubes. This critical step eliminates most air from the new cylinder.
7
Install new master cylinder
Ensure the brake booster pushrod is properly positioned and verify the new seal is in place on the master cylinder mounting flange. Carefully align the master cylinder onto the booster studs, ensuring the pushrod engages properly with the piston inside the cylinder. Push the cylinder fully onto the studs until the mounting flange contacts the booster. Thread both mounting nuts onto the studs by hand to ensure proper thread engagement.
Torque spec
Master Cylinder Nuts25 Nm (18 lb-ft)
8
Torque master cylinder mounting nuts
Using a torque wrench, tighten the master cylinder mounting nuts in a cross pattern to 25.0 Nm (18.0 lb-ft). Verify the master cylinder is seated squarely against the brake booster with no gaps.
Torque spec
Master Cylinder Nuts25 Nm (18 lb-ft)
9
Install brake lines to master cylinder
Remove caps from brake lines. Install new copper washers/seals on each brake line fitting if provided with the master cylinder kit. Thread each brake line fitting into its correct port on the master cylinder by hand to prevent cross-threading. Reference your earlier photos to ensure correct line routing. Once all fittings are hand-tight, use a flare nut wrench to snug them. Then use a torque wrench to tighten each fitting to exactly 15.0 Nm (11.0 lb-ft). Do not overtighten as this can damage the flare seats and cause leaks.
Torque spec
Brake Line Fittings15 Nm (11 lb-ft)
10
Reconnect electrical connector and fill reservoir
Reconnect the brake fluid level sensor electrical connector, ensuring it clicks into place securely. Fill the master cylinder reservoir with fresh DOT 4 Racing brake fluid to the MAX line. Use only fluid from a newly opened container.
11
Bleed brake system at master cylinder
Have an assistant pump the brake pedal slowly 10-15 times, then hold firm pedal pressure. Starting with the fitting closest to the driver's side, slightly crack open one brake line fitting at the master cylinder (approximately 1/4 turn) while assistant maintains pedal pressure. Fluid will spray out; retighten the fitting before pedal reaches the floor. Repeat this process for each fitting until fluid flows without air bubbles. Continuously monitor and refill the reservoir to prevent it from running dry, which will introduce more air.
12
Bleed brake system at all four wheels
Raise and support the vehicle on jack stands. Bleed the brake system at all four wheels in the following order: right rear, left rear, right front, left front. For each wheel, attach clear tubing to the bleeder screw and submerge the other end in a container of fresh brake fluid. Have an assistant pump the brake pedal 3-5 times and hold pressure. Open the bleeder screw 1/2 to 1 full turn, allow fluid to flow until stream is clear and bubble-free, then close bleeder before pedal reaches floor. Repeat until no air bubbles appear. Constantly monitor reservoir level and refill as needed between wheels.
13
Perform ABS/ESC module purge if equipped
The Levante's ABS/ESC system may trap air in the hydraulic control unit. If brake pedal feels soft or spongy after standard bleeding, the system requires activation of ABS solenoids using a Maserati-compatible scan tool to purge trapped air. This typically involves commanding the ABS pump to cycle while bleeding at each wheel. If you do not have access to this scan tool, have this step performed at a Maserati dealer or qualified shop with proper diagnostic equipment.

Reassembly

Reinstall all air intake components and engine covers in reverse order of removal, referencing photos taken during disassembly.
Lower vehicle from jack stands and remove wheel chocks.
Clean any spilled brake fluid from all surfaces immediately using water. Inspect all painted surfaces for fluid contact.
Dispose of used brake fluid properly at a recycling center; do not pour down drains or onto ground.

Verification

Start engine and verify brake warning light extinguishes after a few seconds. If light remains on, check fluid level and inspect for leaks.
With engine running, pump brake pedal several times. Pedal should feel firm and not sink when held under constant pressure for 30 seconds.
Check all brake line fittings at master cylinder for leaks. Look for wet spots or dripping fluid. Retighten to specification if needed.
Perform a controlled brake test in a safe area at low speed (5-10 mph) to verify brakes engage properly without pulling to one side.
Perform a more aggressive brake test from 25-30 mph in a safe area. Vehicle should stop straight without pedal fade, pulsation, or unusual noises.
Test ABS function by performing a controlled hard brake on a low-traction surface if safe to do so. ABS should activate with characteristic pulsing feedback.
After test drive, recheck master cylinder reservoir fluid level and all fittings for leaks. Top off fluid if needed.
CRITICAL: If brake pedal feels soft, spongy, or sinks to floor, or if vehicle pulls to one side, DO NOT DRIVE. Air remains in system or there is a leak. Re-bleed system or seek professional assistance immediately.