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GMC 19209257 Cylinder Asm,Brake Master

2003-2005 GMC Safari

Customer Questions & Expert Answers (3)
GM 19209257 Cylinder Asm,Brake Master
  • Part Description
    CYLINDER, Brake Master Cylinder
  • Replaces
    18048897
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GMC
    Manufacturer Part Number19209257
    Part DescriptionCYLINDER, Brake Master Cylinder
    Other NamesMaster Cylinder
    Item Dimensions9.5 x 9.7 x 7.7 inches
    Item Weight2.70 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces18048897
    ManufacturerGeneral Motors
    SKU19209257
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California’s Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2003-2005 GMC Safari6 Cyl 4.3LVAN SAFARI
  • Customer Questions & Expert Answers

    Q:
    I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 19209257 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How do you remove the master cylinder? Posted by Customer
    A:
    To remove the brake master cylinder, start by placing rags under the brake line fittings and preparing caps or plastic bags to cover the ends of the lines once they are disconnected. Then, use a flare-nut wrench to loosen the tube nuts at the ends of the brake lines where they enter the brake master cylinder. Pull the brake lines away slightly and plug the ends to prevent contamination. Remove the mounting nuts and disconnect the pushrod from the brake pedal. Move the bracket retaining the combination valve forward slightly and remove the brake master cylinder from the vehicle. Remove the reservoir covers and diaphragms, and discard any remaining fluid. Mount the brake master cylinder in a vise with blocks of wood to prevent damage. Remove the primary piston lock-ring and assembly, followed by the secondary piston assembly. Pry the reservoir from the cylinder body and remove the grommets. Do not attempt to remove the quick take-up valve. To overhaul the brake master cylinder, inspect the cylinder bore for corrosion and damage. If any is found, replace the brake master cylinder body. Lubricate and press the new reservoir grommets into the body, then press the brake master cylinder body onto the reservoir. Remove the old seals from the secondary piston assembly and install the new seals with the lips facing away from each other. Attach the spring retainer and lubricate the cylinder bore. Install the spring and secondary piston assembly, followed by the primary piston assembly and lock-ring. Inspect the reservoir cover and diaphragm, replacing any damaged parts. Insert threaded plugs into the cylinder outlet holes and fill the reservoirs with brake fluid. Loosen one plug at a time and push the piston assembly into the bore to force air out. Stroke the piston multiple times for each outlet to ensure all air is expelled. Refill the reservoirs and install the diaphragm and cover assembly. To install the brake master cylinder, reverse the removal steps and bleed the brakes.
    Posted by GMPartsGiant Specialist
    Q:
    What is the initial step to remove the master cylinder of the 1992 GMC Safari? Posted by Customer
    A:
    Start by placing rags under the brake line fittings and preparing caps or plastic bags to cover the ends of the lines once they are disconnected.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Brake Master Cylinder
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 19209257, the Right Choice

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 19209257 Cylinder Asm,Brake Master. It is sometimes referred to as GMC Brake Master Cylinder. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific GMC Safari models.

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