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Big Investigation Launched into GM Brake Vacuum Issues .

Big Investigation Launched into GM Brake Vacuum Issues .

Nov 23, 2018 · The U.S. government is investigating more than 100 complaints of poor brake performance on 2.7 million General Motors big pickups and SUVs. The National Highway Traffic Safety Administration says a brake vacuum pump can deteriorate, causing increased braking effort and longer stopping distances.

2014 CHEVROLET SILVERADO 1500 5.3L V8 Vacuum Pump | RockAuto

2014 CHEVROLET SILVERADO 1500 5.3L V8 Vacuum Pump | RockAuto

RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Easy to use parts catalog.

Chevy 6.0 Engine Problems and Solutions | SBW

Chevy 6.0 Engine Problems and Solutions | SBW

3.2 Other Chevy 6.0 Oil Pressure Problems and Solutions Low oil pressure. A check engine light due to low oil pressure is a common complaint in GM (General Motors) vehicles years 2007-2016 that have V8 engines.It is also known as DOD (displacement on demand).

Pattern Problems: 6.7L Power Stroke vs. LML Duramax .

Pattern Problems: 6.7L Power Stroke vs. LML Duramax .

For an in-depth look at the top four pattern problems for each engine, keep scrolling. 6.7L Power Stroke Oil Leak From the Vacuum Pump Gasket. Arguably the most common issue on the 6.7L Power Stroke is associated with the vacuum pump. Over time, the pump's mounting bolts loosen and can even back out .

Vacuum Pumps: Why use them & what do they do?

Vacuum Pumps: Why use them & what do they do?

Vacuum pumps vary in the amount of air volume (CFM) they can suck so the potential VACUUM a pump can create is LIMITED by the amount of air it can flow (CFM). The exhaust from the vacuum pump is sent to a BREATHER tank with a filter on the top, which is intended to retain any fluids (moisture, unspent fuel, air born oil) sucked from the engine.

SilveradoSierra.com • Brake booster vacuum pump failure .

SilveradoSierra.com • Brake booster vacuum pump failure .

Mar 22, 2018 · Vacuum Pump Vacuum Line between the booster and the pump Brake Booster Master Cylinder Vacuum Pump Belt GM has updated to a new p/n "12669488" Pumps are made in china, says it right on the back of the pump, but you can get an AC delco one on amazon for 120. The corvettes and camaros actually use an electric vacuum pump p/n 20981800. There is .

CHEVROLET TAHOE Problems - 2015 CHEVROLET TAHOE Service .

CHEVROLET TAHOE Problems - 2015 CHEVROLET TAHOE Service .

dimmitt "verified concern. performed diag. found engine vacuum pump is weak and not pulling enough vacuum at times." dimmitt "removed and replaced vacuum pump." view details; nov 28, 2018 - rochester hills, mi - service brakes i just had the brake vacuum pump replaced ( 750.00 ) now i see there might be a recall for this problem .

GM recall: Chevrolet, GMC, Cadillac SUVs recalled for .

GM recall: Chevrolet, GMC, Cadillac SUVs recalled for .

Sep 11, 2019 · GM isn't replacing the pumps because pump failures are rare and already are covered by an extended warranty, Flores said. "This remedy will improve brake performance in .

GM recalls over 3.4 million pickups and SUVs to fix brake .

GM recalls over 3.4 million pickups and SUVs to fix brake .

Sep 11, 2019 · GM says that as it ages, the pump in the power-assist brakes can put out less vacuum power than needed, increasing stopping distance and the risk of a crash.

Lawsuit Says GM Owners Should be Worried About Vacuum Pump .

Lawsuit Says GM Owners Should be Worried About Vacuum Pump .

Oct 10, 2018 · Lawsuit Says GM Owners Should be Worried About Vacuum Pump Problems Creating Stiff Break Pedals October 10, 2018. A lawsuit says a failed vacuum pump in GM's brake boosters can make the brake pedal extremely hard to push, leading to longer stopping distances and accidents.. While investigating a rear-end collision involving the lead plaintiff "GM told her she should read the manual to .

Troubleshooting Part 1: GMC/Chevrolet | Diesel Tech Magazine

Troubleshooting Part 1: GMC/Chevrolet | Diesel Tech Magazine

Lind and the team at Left Coast Diesel have also seen consistent problems with trucks equipped with EGR systems. "All of these smog trucks that have EGR systems are prone to failures in the vacuum pumps," says Lind. "The pressure drops lower than specifications and shows up as a P0404 code.

GM recalls 3.4 million pickups and SUVs over brake pump .

GM recalls 3.4 million pickups and SUVs over brake pump .

Sep 12, 2019 · Equipment; GM recalls 3.4 million pickups and SUVs over brake pump. The recall includes the Chevy Silverado and GMC Sierra (model years 2014-2018), and affects a vacuum pump defect that may make .

Big Cams Are No Match For This Compact Vacuum Pump

Big Cams Are No Match For This Compact Vacuum Pump

Bottom: First test on the vacuum pump resulted in about 21-inches of vacuum in just seconds. It's a clean, simple install and now the booster isn't battling the cam for vacuum. Electrical connections are simple: a ground and power wire directly to a battery source, and an .

Special Coverage Adjustment N182202780 Brake Assist .

Special Coverage Adjustment N182202780 Brake Assist .

Correction Dealers are to replace the vacuum pump and vacuum pump belt. The repairs will be made at no charge to the customer. Parts Quantity Part Name Part No. 1 Vacuum Pump Assembly 12696313 1 Belt Kit 12643517 Note: Use the vehicle identification number (VIN) and the GM Electronic Parts Catalog (EPC) to determine which vacuum

GM Vacuum Pump Recall Issued for 3.4 Million Vehicles

GM Vacuum Pump Recall Issued for 3.4 Million Vehicles

Sep 12, 2019 · GM says at least 110 crashes and 13 injuries have allegedly been caused by the engine-mounted mechanical vacuum pump output decreasing over time. Drivers will notice hard brake pedals, longer stopping distances and likely see a "service brake assist" alert that will activate two to five minutes after the vacuum level drops.

Symptoms of a Bad or Failing Vacuum Pump | YourMechanic Advice

Symptoms of a Bad or Failing Vacuum Pump | YourMechanic Advice

Jan 12, 2016 · Since the vacuum pump is always in use, the likelihood of experiencing some sort of mechanical failure or entire breakage is more likely on diesel engines that utilize this component. The most common cause of vacuum pump failure occurs due to broken belts, electrical problems inside the unit, or vacuum hoses that fail.

GM under investigation for faulty brake vacuum pumps .

GM under investigation for faulty brake vacuum pumps .

Nov 26, 2018 · I did have the vacuum pump replaced due to the recall about a year ago, I noticed it after that but the dealership said the pump and vacuum is holding well the entire time, even when it squeaks. They only guess they had was to replace the brake pedal assembly or the brake booster, but admittedly said that would just be throwing parts at it.

3 Common Mechanical Fuel Pump Problems - LiveAbout

3 Common Mechanical Fuel Pump Problems - LiveAbout

May 23, 2019 · On many automobiles, the fuel pump actuator arm passes through the timing case cover. This arrangement allows the constant rotating motion of the camshaft or crankshaft to drive the arm. In the example of a small block Chevy V-8, for every engine revolution, the fuel pump actuator is pushed and released one time.

Big Cams Are No Match For This Compact Vacuum Pump

Big Cams Are No Match For This Compact Vacuum Pump

Bottom: First test on the vacuum pump resulted in about 21-inches of vacuum in just seconds. It's a clean, simple install and now the booster isn't battling the cam for vacuum. Electrical connections are simple: a ground and power wire directly to a battery source, and an .

2015 Silverado - Brake failure at low speed | GM Truck .

2015 Silverado - Brake failure at low speed | GM Truck .

May 05, 2018 · GM did put out a service bulletin (PIT5361B) stating a possible cause is motor oil getting into the brake booster and/or the booster vacuum line coming from the vacuum pump. Unlike older trucks, the newer ones have a belt driven vacuum pump mounted to the side of the engine block which is lubricated by pressurized engine oil.

GM recalls nearly 3.8M pickups, SUVs to fix brake issues .

GM recalls nearly 3.8M pickups, SUVs to fix brake issues .

Sep 11, 2019 · GM isn't replacing the pumps because pump failures are rare and already are covered by an extended warranty, Flores said. "This remedy will improve brake performance in .

Vacuum Brake Booster Problems Operation Diagnosis

Vacuum Brake Booster Problems Operation Diagnosis

A vacuum brake booster needs the right amount of vacuum to operate correctly. It's typically an engine's intake manifold vacuum (17-21Hg). On some engines, particularly diesel, an auxiliary pump creates a vacuum. This vacuum is applied to both the pedal side and the master cylinder side.

2016 Chevrolet Silverado Vacuum pump fail - YouTube

2016 Chevrolet Silverado Vacuum pump fail - YouTube

Dec 02, 2018 · Properly Diagnose Vacuum Pump Failure - Duration: 2:10. Cardone Industries 120,741 views. . Gm Silverado Sierra Vacuum Pump Replacement 5.3 & 6.2 (2014-2018) - Duration: 12:11.

GM recalls over 3.4 million pickups and SUVs to fix brake .

GM recalls over 3.4 million pickups and SUVs to fix brake .

Sep 11, 2019 · GM says that as it ages, the pump in the power-assist brakes can put out less vacuum power than needed, increasing stopping distance and the risk of a crash.

General Motors Faulty Brake Pumps Investigation | GM Authority

General Motors Faulty Brake Pumps Investigation | GM Authority

Vacuum sensor for some unforeseen reason just snapped off destroying my vacuum pump which dropped pieces into my engine destroying my camshaft. 18000 miles off .

Why the Duramax Never Had a Lift Pump (and why it should .

Why the Duramax Never Had a Lift Pump (and why it should .

By installing a FASS Titanium Signature Series pump you'll solve all the problems with a Duramax fuel system in one fell swoop. The high efficiency FASS filters will now remove dirt particles down to 2 microns in size, the water separator takes out 99.96% of the water from the fuel, and the unique design of the pump also gets rid of any air that might be trapped, sending nothing but the .

Possible GM Brake Vacuum Pump Lawsuit? | The BRAKE Report

Possible GM Brake Vacuum Pump Lawsuit? | The BRAKE Report

Oct 11, 2018 · A GM brake vacuum pump lawsuit alleges Cadillac, Chevrolet and GMC vehicles have problems with the brake boosters and hard brake pedals as part of defective braking systems. Included in the proposed class-action lawsuit are all consumers who purchased or leased in California one of the following General Motors vehicles:

Symptoms of Vacuum Advance Problems in Classic Cars

Symptoms of Vacuum Advance Problems in Classic Cars

A few pumps of a manually operated vacuum tester should provide a full advance, and the sliding plate should stay in place until you remove the vacuum from the port. Additional Advanced Testing Even if your car's vacuum advance is working properly and holding negative pressure, there could still be a problem with the vacuum signal itself.

GM recalls nearly 3.8M pickups, SUVs to fix brake issues .

GM recalls nearly 3.8M pickups, SUVs to fix brake issues .

GM isn't replacing the pumps because pump failures are rare and already are covered by an extended warranty, Flores said. "This remedy will improve brake performance in any situation where brake .

Loss of power brakes and rough idle 2016 Malibu 1.5 .

Loss of power brakes and rough idle 2016 Malibu 1.5 .

Apr 05, 2019 · The booster, master cylinder, and related check valves and tubing have been replaced; along with the mechanically driven vacuum pump. This issue is still unresolved, and was told that all of them do this. Yes, the 1.5 indeed has a vacuum assist pump that .