How to service and repair the Brake Master Cylinder on Cadillac DTS?

Begin Brake Master Cylinder maintenance by mounting the flange to a vise so you can access the primary Piston at its rear end. Install fittings with matching flare seats onto the master cylinder ports before placing them in clean reservoir solutions. Lead the transparent hoses to the master cylinder reservoir through fittings which match the required flare seat. Delco supreme 11(R) or gm p/n 12377967 (Canadian P/N 992667), or equivalent dot-3 brake fluid should be used to fill the reservoir to achieve a minimum halfway point while the hose ends should remain submerged under fluid. A round-shaped tool helps you push and pull the primary Piston with a 25mm (1 inch) journey depth multiple times to observe fluid movement from the ports. Air removal from the pistons causes the primary Piston to become harder to depress while its travel distance shortens. Climb through multiple pumping cycles to achieve fluid drainage without bubble formation through the ports. Follow these steps to remove the transparent hoses: replace the master cylinder reservoir cap and diaphragm while taking off the fittings with hoses from the ports then wrap the master cylinder in a clean shop cloth to avoid spills. The vise should release the master cylinder before the operation ends.

OEM Cadillac DTS Brake Master Cylinder

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Cadillac DTS Master Cylinder Part Number: 19209200
Product Specifications
- Other Name: Cylinder, Brake Master Cylinder; Brake Master Cylinder
- Replaces: 15283583
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2008 Cadillac DTS | Base, Luxury, Platinum | 8 Cyl 4.6 L GAS
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Cadillac DTS Master Cylinder Part Number: 18042795
Product Specifications
- Other Name: Cylinder Kit, Brake Master; Brake Master Cylinder
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2011 Cadillac DTS | Base, Livery, Luxury, Platinum, Premium | 8 Cyl 4.6 L GAS
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Cadillac DTS Master Cylinder Part Number: 19418188
$127.54 MSRP: $228.78
You Save: $101.24 (45%)
Product Specifications
- Other Name: Cylinder, Brake Master Cylinder; Brake Master Cylinder
- Replaces: 84163797, 25846372, 20943078
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2011 Cadillac DTS | Base, Livery, Luxury, Platinum, Premium | 8 Cyl 4.6 L GAS

Cadillac DTS Brake Master Cylinder

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The Brake Master Cylinder in Cadillac DTS is specifically used to distribute foot force in the form of hydraulic pressure to regulate slave cylinders as part and parcel of the automobiles' braking system. This system uses pistons to pump fluid and in the process forces operation of calipers or drum brakes for development of friction that can halt the wheels. The Cadillac DTS vehicles usually come with a dual circuit master cylinder with two pistons and even where one of the circuits is dead the other will produce sufficient pressure to effect a stoppage. Suffice to note that normal maintenance will help to avoid leaks, corrosion, and seal deterioration that lead to low pedal and the poor stopping power. In conclusion, this Brake Master Cylinder is a core component involved in the operations of the braking system commonly used in Cadillac DTS automobiles.

Cadillac DTS Brake Master Cylinder Parts Questions & Experts Answers

Master Cylinder
19209200
Q: How to service and repair the Brake Master Cylinder on Cadillac DTS?
A:
Begin Brake Master Cylinder maintenance by mounting the flange to a vise so you can access the primary Piston at its rear end. Install fittings with matching flare seats onto the master cylinder ports before placing them in clean reservoir solutions. Lead the transparent hoses to the master cylinder reservoir through fittings which match the required flare seat. Delco supreme 11(R) or gm p/n 12377967 (Canadian P/N 992667), or equivalent dot-3 brake fluid should be used to fill the reservoir to achieve a minimum halfway point while the hose ends should remain submerged under fluid. A round-shaped tool helps you push and pull the primary Piston with a 25mm (1 inch) journey depth multiple times to observe fluid movement from the ports. Air removal from the pistons causes the primary Piston to become harder to depress while its travel distance shortens. Climb through multiple pumping cycles to achieve fluid drainage without bubble formation through the ports. Follow these steps to remove the transparent hoses: replace the master cylinder reservoir cap and diaphragm while taking off the fittings with hoses from the ports then wrap the master cylinder in a clean shop cloth to avoid spills. The vise should release the master cylinder before the operation ends.