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The Brick Newsletter - January 2012
Page 4: Parking Brake Shoes & Cables, Brake Master Cylinders, Brake Junction Block
Orders placed through our website will automatically receive any discount pricing associated with this promotion.
If you call to place your order, please be sure to mention media code "MD" to ensure that the correct sales pricing is applied to your phone order.
Sale pricing valid from Tuesday, January 17, 2012 through Monday, March 05, 2012
Parking/Emergency Brake Shoes and Cables
If your parking / emergency brake is not doing its job anymore, the first thing to do is check the cables to see if one is broken or if an adjustment will solve the problem. Most good shop manuals cover this relatively simple procedure. If the cables are intact and adjustment doesn’t provide any improvement, then most likely the problem is due to worn out emergency brake shoes. Cable or shoe replacement will require that the rear calipers and rotors be removed for access.
Stainless Steel Braided Brake Lines
Precision braking for precision driving. Teflon/Kevlar stainless-steel braided lines are comparable to those used on motorsports applications. Lines and fittings are engineered for precise fit. Lines come ready to install with no modifications necessary. Kits replace the original front and rear flexible brake lines. DOT approved.
Brake Line Junction Block
Volvo pioneered the use of dual circuit brake systems in the late 60’s and it was a major safety advancement all other car manufacturers eventually adopted. Compared to a single-circuit system that leaves you without brakes if a single line fails, a dual circuit brake system provides at least 2 wheels with brakes in the event of a line failure. In 140 models Volvo added another innovative safety feature known as “Brake Failure” warning. This relatively simple system will warn you in advance that the brake master cylinder is having problems, is low on fluid or if there is a leak in the lines or calipers.The system uses the dual circuit feature to monitor any pressure differences in the system that would indicate a problem. If there is a problem, a floating piston inside the brake line junction block (usually located low on the driver side frame rail in the engine compartment) will be displaced by the pressure difference. This allows a contact switch integrated into the brake line junction block to complete an electrical circuit illuminating the dash mounted warning lamp. Any flicker or intermittent illumination of the “Brake Failure” lamp should be taken as seriously as a constant glowing lamp for safety reasons. Often repairing the problem will extinguish the lamp, but it may need to be reset in some cases. Refer to your shop manual for this simple procedure.
The most common problem is intermittent leaking of brake fluid. It can be tough to diagnose the problem, as the leakage is very inconsistent. Replacing the block should be left to a pro or an experienced do-it-yourselfer as there are 8 steel brake lines connected to it and it’s not much bigger than a D-cell battery so you can imagine how tight it is to work on. Also, the brake system will require a complete bleeding. Make sure and check your Volvo service manual for the correct sequence to bleed your braking system.
Original Equipment Brake Master Cylinders and Junction Block
If your brake pedal travels slowly to the floor but you can't find any leaks at the calipers, it might be time for a new master cylinder. Volvo is renowned for their safety, and the master cylinder is the key component of their triangular (3 wheels on each circuit) brake system.
Remember flushing your brake system fluid every other year will go a long way to preventing corrosion of expensive brake system components.
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Sale pricing valid from Tuesday, January 17, 2012 through Monday, March 05, 2012
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