1999 Chevy tahoe 2dr Brake shudder intermitant hard pedal.

check you rotors possible slight warp

CAR BRAKE PROBLEMS

It can be issue with master cylinder or the problem is there is still some air there in the system that has to be bleed. Or else the parts replaced are not aligned properly/.I suggest everything back.

There are few help links mentioned below to troubleshoot the issue.

Click the link below and follow its procedure: -----

All types of brake problems and repairs

http://howtobyme.blogspot.com/2011/11/abs-and-service-light-comes-on.html

----------

Brake Fade Issue?

http://whoisbyme.blogspot.in/2012/07/brake-fade-issue.html

-----------

Brake System Troubleshooting?

http://technoanswers.blogspot.com/2011/11/brake-system-troubleshooting.html

----------

Car Brake lines have no pressure?

http://schematicsdiagram.blogspot.com/2011/12/car-brake-lines-have-no-pressure.html

------------

Car Brakes Dragging?

http://repairhelpcenter.blogspot.com/2011/12/car-brakes-dragging.html

-------------

Car Brakes grabbing?

http://repairhelpcenter.blogspot.com/2011/12/car-brakes-grabbing.html

-----------

Car Brakes Making Noise?

http://repairhelpcenter.blogspot.com/2011/12/car-brakes-making-noise.html

-------------

Car Brakes Pulling?

http://repairhelpcenter.blogspot.com/2011/12/car-brakes-pulling.html

----------

Pulsating Brake Pedal?

http://repairhelpcenter.blogspot.com/2011/12/pulsating-brake-pedal.html

---------

Spongy brake pedal?

http://repairhelpcenter.blogspot.com/2011/12/spongy-brake-pedal.html

----------

Hard Brake Pedal?

http://repairhelpcenter.blogspot.com/2011/12/hard-brake-pedal.html

------------

Fading Sinking Brake pedal?

http://whoisbyme.blogspot.in/2012/06/fading-sinking-brake-pedal.html

-------------

Feels Like Brake pedal Pulsating

http://repairhelpcenter.blogspot.in/2012/06/feels-like-brake-pedal-pulsating.html

-------------

What is Brake Drum Bar?

http://repairhelpcenter.blogspot.in/2012/02/what-is-brake-drum-bar.html

------------

ABS light stays on but brakes work fine?

http://howtobyme.blogspot.com/2011/11/abs-light-stays-on-but-brakes-work-fine.html

-----------

Vibrations while braking On Chevrolet Van?

http://technoanswers.blogspot.in/2012/04/vibrations-while-braking-on-chevrolet.html

-----------

Dragging brakes?

http://howtobyme.blogspot.in/2012/03/dragging-brakes.html

------------

Brake pedal stuck?

http://howtobyme.blogspot.in/2012/03/brake-pedal-stuck.html

-----------

After replacing brake rotors and pads, brake pedal remains on floor?

http://technoanswers.blogspot.in/2012/02/after-replacing-brake-rotors-and-pads.html

----------

How to replace Brake Power Booster?

http://repairhelpcenter.blogspot.in/2012/02/how-to-replace-brake-power-booster.html

-----------

1997 Chevy Tahoe Brake lights not working?

http://technoanswers.blogspot.in/2012/02/1997-chevy-tahoe-brake-lights-not.html

------------

How to service Drum brakes?

http://repairhelpcenter.blogspot.in/2012/02/how-to-service-drum-brakes.html

-----------

What type of problems usually noticed on Drum brakes?

http://repairhelpcenter.blogspot.in/2012/02/what-type-of-problems-usually-noticed.html

----------

How to test Drum Brakes?

http://repairhelpcenter.blogspot.in/2012/02/how-to-test-drum-brakes.html

---------

Brake Bleeder Screw Function?

http://repairhelpcenter.blogspot.in/2012/02/brake-bleeder-screw-function.html

---------

Toyota Tundra: Parts diagram to replace Brake Drums?

http://technoanswers.blogspot.in/2012/06/toyota-tundra-parts-diagram-to-replace.html

----------

Squeak and grinding sound is heard when brakes are applied?

http://technoanswers.blogspot.in/2012/02/squeak-and-grinding-sound-is-heard-when.html

------------

Brake Pads Inspection on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/brake-pads-inspection-on-acura-integra.html

-------------

How to remove Brake Pads on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-brake-pads-on-acura.html

--------------

How to remove Brake Disc Rotor on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-brake-disc-rotor-on-acura.html

------------

Brake Caliper OVERHAUL on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/brake-caliper-overhaul-on-acura-integra.html

------------

How to remove Brake Caliper on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-brake-caliper-on-acura.html

------------

How to remove Parking Brake shoes on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-parking-brake-shoes-on.html

-----------

How to remove Parking Brake Cable on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-parking-brake-cable-on.html

-------------

Brake pedal is pulsating and vibrating?

http://repairhelpcenter.blogspot.com/2012/01/brake-pedal-is-pulsating-and-vibrating.html

----------

2002 Ford Windstar: Brake Warning Light ON dash?

http://schematicsdiagram.blogspot.in/2012/06/2002-ford-windstar-brake-warning-light.html

-----------

These details will help.

Thanks.

It can be issue with master cylinder or the problem is there is still some air there in the system that has to be bleed. Or else the parts replaced are not aligned properly/.I suggest everything back.

There are few help links mentioned below to troubleshoot the issue.

Click the link below and follow its procedure: -----

All types of brake problems and repairs

http://howtobyme.blogspot.com/2011/11/abs-and-service-light-comes-on.html

----------

Brake Fade Issue?

http://whoisbyme.blogspot.in/2012/07/brake-fade-issue.html

-----------

Brake System Troubleshooting?

http://technoanswers.blogspot.com/2011/11/brake-system-troubleshooting.html

----------

Car Brake lines have no pressure?

http://schematicsdiagram.blogspot.com/2011/12/car-brake-lines-have-no-pressure.html

------------

Car Brakes Dragging?

http://repairhelpcenter.blogspot.com/2011/12/car-brakes-dragging.html

-------------

Car Brakes grabbing?

http://repairhelpcenter.blogspot.com/2011/12/car-brakes-grabbing.html

-----------

Car Brakes Making Noise?

http://repairhelpcenter.blogspot.com/2011/12/car-brakes-making-noise.html

-------------

Car Brakes Pulling?

http://repairhelpcenter.blogspot.com/2011/12/car-brakes-pulling.html

----------

Pulsating Brake Pedal?

http://repairhelpcenter.blogspot.com/2011/12/pulsating-brake-pedal.html

---------

Spongy brake pedal?

http://repairhelpcenter.blogspot.com/2011/12/spongy-brake-pedal.html

----------

Hard Brake Pedal?

http://repairhelpcenter.blogspot.com/2011/12/hard-brake-pedal.html

------------

Fading Sinking Brake pedal?

http://whoisbyme.blogspot.in/2012/06/fading-sinking-brake-pedal.html

-------------

Feels Like Brake pedal Pulsating

http://repairhelpcenter.blogspot.in/2012/06/feels-like-brake-pedal-pulsating.html

-------------

What is Brake Drum Bar?

http://repairhelpcenter.blogspot.in/2012/02/what-is-brake-drum-bar.html

------------

ABS light stays on but brakes work fine?

http://howtobyme.blogspot.com/2011/11/abs-light-stays-on-but-brakes-work-fine.html

-----------

Vibrations while braking On Chevrolet Van?

http://technoanswers.blogspot.in/2012/04/vibrations-while-braking-on-chevrolet.html

-----------

Dragging brakes?

http://howtobyme.blogspot.in/2012/03/dragging-brakes.html

------------

Brake pedal stuck?

http://howtobyme.blogspot.in/2012/03/brake-pedal-stuck.html

-----------

After replacing brake rotors and pads, brake pedal remains on floor?

http://technoanswers.blogspot.in/2012/02/after-replacing-brake-rotors-and-pads.html

----------

How to replace Brake Power Booster?

http://repairhelpcenter.blogspot.in/2012/02/how-to-replace-brake-power-booster.html

-----------

1997 Chevy Tahoe Brake lights not working?

http://technoanswers.blogspot.in/2012/02/1997-chevy-tahoe-brake-lights-not.html

------------

How to service Drum brakes?

http://repairhelpcenter.blogspot.in/2012/02/how-to-service-drum-brakes.html

-----------

What type of problems usually noticed on Drum brakes?

http://repairhelpcenter.blogspot.in/2012/02/what-type-of-problems-usually-noticed.html

----------

How to test Drum Brakes?

http://repairhelpcenter.blogspot.in/2012/02/how-to-test-drum-brakes.html

---------

Brake Bleeder Screw Function?

http://repairhelpcenter.blogspot.in/2012/02/brake-bleeder-screw-function.html

---------

Toyota Tundra: Parts diagram to replace Brake Drums?

http://technoanswers.blogspot.in/2012/06/toyota-tundra-parts-diagram-to-replace.html

----------

Squeak and grinding sound is heard when brakes are applied?

http://technoanswers.blogspot.in/2012/02/squeak-and-grinding-sound-is-heard-when.html

------------

Brake Pads Inspection on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/brake-pads-inspection-on-acura-integra.html

-------------

How to remove Brake Pads on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-brake-pads-on-acura.html

--------------

How to remove Brake Disc Rotor on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-brake-disc-rotor-on-acura.html

------------

Brake Caliper OVERHAUL on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/brake-caliper-overhaul-on-acura-integra.html

------------

How to remove Brake Caliper on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-brake-caliper-on-acura.html

------------

How to remove Parking Brake shoes on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-parking-brake-shoes-on.html

-----------

How to remove Parking Brake Cable on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-parking-brake-cable-on.html

-------------

Brake pedal is pulsating and vibrating?

http://repairhelpcenter.blogspot.com/2012/01/brake-pedal-is-pulsating-and-vibrating.html

----------

2002 Ford Windstar: Brake Warning Light ON dash?

http://schematicsdiagram.blogspot.in/2012/06/2002-ford-windstar-brake-warning-light.html

-----------

These details will help.

Thanks.

It can be issue with master cylinder or the problem is there is still some air there in the system that has to be bleed. Or else the parts replaced are not aligned properly/.I suggest everything back.

There are few help links mentioned below to troubleshoot the issue.

Click the link below and follow its procedure: -----

All types of brake problems and repairs http://howtobyme.blogspot.com/2011/11/abs-and-service-light-comes-on.html

----------
Brake Fade Issue? http://whoisbyme.blogspot.in/2012/07/brake-fade-issue.html

-----------
Brake System Troubleshooting? http://technoanswers.blogspot.com/2011/11/brake-system-troubleshooting.html

----------
Car Brake lines have no pressure? http://schematicsdiagram.blogspot.com/2011/12/car-brake-lines-have-no-pressure.html

------------
Car Brakes Dragging? http://repairhelpcenter.blogspot.com/2011/12/car-brakes-dragging.html

-------------
Car Brakes grabbing? http://repairhelpcenter.blogspot.com/2011/12/car-brakes-grabbing.html

-----------
Car Brakes Making Noise? http://repairhelpcenter.blogspot.com/2011/12/car-brakes-making-noise.html

-------------
Car Brakes Pulling? http://repairhelpcenter.blogspot.com/2011/12/car-brakes-pulling.html

----------
Pulsating Brake Pedal? http://repairhelpcenter.blogspot.com/2011/12/pulsating-brake-pedal.html

---------
Spongy brake pedal? http://repairhelpcenter.blogspot.com/2011/12/spongy-brake-pedal.html

----------
Hard Brake Pedal? http://repairhelpcenter.blogspot.com/2011/12/hard-brake-pedal.html

------------
Fading Sinking Brake pedal?

http://whoisbyme.blogspot.in/2012/06/fading-sinking-brake-pedal.html

-------------
Feels Like Brake pedal Pulsating http://repairhelpcenter.blogspot.in/2012/06/feels-like-brake-pedal-pulsating.html

-------------
What is Brake Drum Bar? http://repairhelpcenter.blogspot.in/2012/02/what-is-brake-drum-bar.html

------------
ABS light stays on but brakes work fine?

http://howtobyme.blogspot.com/2011/11/abs-light-stays-on-but-brakes-work-fine.html

-----------
Vibrations while braking On Chevrolet Van? http://technoanswers.blogspot.in/2012/04/vibrations-while-braking-on-chevrolet.html

-----------
Dragging brakes? http://howtobyme.blogspot.in/2012/03/dragging-brakes.html

------------
Brake pedal stuck? http://howtobyme.blogspot.in/2012/03/brake-pedal-stuck.html

-----------
After replacing brake rotors and pads, brake pedal remains on floor? http://technoanswers.blogspot.in/2012/02/after-replacing-brake-rotors-and-pads.html

----------
How to replace Brake Power Booster? http://repairhelpcenter.blogspot.in/2012/02/how-to-replace-brake-power-booster.html

-----------
1997 Chevy Tahoe Brake lights not working? http://technoanswers.blogspot.in/2012/02/1997-chevy-tahoe-brake-lights-not.html

------------
How to service Drum brakes? http://repairhelpcenter.blogspot.in/2012/02/how-to-service-drum-brakes.html

-----------
What type of problems usually noticed on Drum brakes? http://repairhelpcenter.blogspot.in/2012/02/what-type-of-problems-usually-noticed.html

----------
How to test Drum Brakes? http://repairhelpcenter.blogspot.in/2012/02/how-to-test-drum-brakes.html

---------
Brake Bleeder Screw Function? http://repairhelpcenter.blogspot.in/2012/02/brake-bleeder-screw-function.html

---------
Toyota Tundra: Parts diagram to replace Brake Drums?

http://technoanswers.blogspot.in/2012/06/toyota-tundra-parts-diagram-to-replace.html
---------- Squeak and grinding sound is heard when brakes are applied?

http://technoanswers.blogspot.in/2012/02/squeak-and-grinding-sound-is-heard-when.html

------------

Brake Pads Inspection on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/brake-pads-inspection-on-acura-integra.html

-------------

How to remove Brake Pads on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-brake-pads-on-acura.html

--------------

How to remove Brake Disc Rotor on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-brake-disc-rotor-on-acura.html

------------

Brake Caliper OVERHAUL on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/brake-caliper-overhaul-on-acura-integra.html

------------

How to remove Brake Caliper on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-brake-caliper-on-acura.html

------------

How to remove Parking Brake shoes on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-parking-brake-shoes-on.html

-----------

How to remove Parking Brake Cable on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-parking-brake-cable-on.html

-------------
Brake pedal is pulsating and vibrating? http://repairhelpcenter.blogspot.com/2012/01/brake-pedal-is-pulsating-and-vibrating.html

----------
2002 Ford Windstar: Brake Warning Light ON dash?

http://schematicsdiagram.blogspot.in/2012/06/2002-ford-windstar-brake-warning-light.html

-----------

These details will help.

Thanks.

keep bleeding the system,if u didnt bench bleed the master cylinder,you will need to do that.Its a must

CAR BRAKE PROBLEMS

It can be issue with master cylinder or the problem is there is still some air there in the system,that has to be bleed.Or else the parts replaced are not aligned properly/.I suggest everything back.

There are few help links mentioned below to troubleshoot the issue.

Click the link below and follow its procedure:-----

All types of brake problems and repairs http://howtobyme.blogspot.com/2011/11/abs-and-service-light-comes-on.html

----------
Brake Fade Issue? http://whoisbyme.blogspot.in/2012/07/brake-fade-issue.html

-----------
Brake System Troubleshooting? http://technoanswers.blogspot.com/2011/11/brake-system-troubleshooting.html

----------
Car Brake lines have no pressure? http://schematicsdiagram.blogspot.com/2011/12/car-brake-lines-have-no-pressure.html

------------
Car Brakes Dragging? http://repairhelpcenter.blogspot.com/2011/12/car-brakes-dragging.html

-------------
Car Brakes grabbing? http://repairhelpcenter.blogspot.com/2011/12/car-brakes-grabbing.html

-----------
Car Brakes Making Noise? http://repairhelpcenter.blogspot.com/2011/12/car-brakes-making-noise.html

-------------
Car Brakes Pulling? http://repairhelpcenter.blogspot.com/2011/12/car-brakes-pulling.html

----------
Pulsating Brake Pedal? http://repairhelpcenter.blogspot.com/2011/12/pulsating-brake-pedal.html

---------
Spongy brake pedal? http://repairhelpcenter.blogspot.com/2011/12/spongy-brake-pedal.html

----------
Hard Brake Pedal? http://repairhelpcenter.blogspot.com/2011/12/hard-brake-pedal.html

------------
Fading Sinking Brake pedal?

http://whoisbyme.blogspot.in/2012/06/fading-sinking-brake-pedal.html

-------------
Feels Like Brake pedal Pulsating http://repairhelpcenter.blogspot.in/2012/06/feels-like-brake-pedal-pulsating.html

-------------
What is Brake Drum Bar? http://repairhelpcenter.blogspot.in/2012/02/what-is-brake-drum-bar.html

------------
ABS light stays on but brakes work fine?

http://howtobyme.blogspot.com/2011/11/abs-light-stays-on-but-brakes-work-fine.html

-----------
Vibrations while braking On Chevrolet Van? http://technoanswers.blogspot.in/2012/04/vibrations-while-braking-on-chevrolet.html

-----------
Dragging brakes? http://howtobyme.blogspot.in/2012/03/dragging-brakes.html

------------
Brake pedal stuck? http://howtobyme.blogspot.in/2012/03/brake-pedal-stuck.html

-----------
After replacing brake rotors and pads, brake pedal remains on floor? http://technoanswers.blogspot.in/2012/02/after-replacing-brake-rotors-and-pads.html

----------
How to replace Brake Power Booster? http://repairhelpcenter.blogspot.in/2012/02/how-to-replace-brake-power-booster.html

-----------
1997 Chevy Tahoe Brake lights not working? http://technoanswers.blogspot.in/2012/02/1997-chevy-tahoe-brake-lights-not.html

------------
How to service Drum brakes? http://repairhelpcenter.blogspot.in/2012/02/how-to-service-drum-brakes.html

-----------
What type of problems usually noticed on Drum brakes? http://repairhelpcenter.blogspot.in/2012/02/what-type-of-problems-usually-noticed.html

----------
How to test Drum Brakes? http://repairhelpcenter.blogspot.in/2012/02/how-to-test-drum-brakes.html

---------
Brake Bleeder Screw Function? http://repairhelpcenter.blogspot.in/2012/02/brake-bleeder-screw-function.html

---------
Toyota Tundra: Parts diagram to replace Brake Drums?

http://technoanswers.blogspot.in/2012/06/toyota-tundra-parts-diagram-to-replace.html
---------- Squeak and grinding sound is heard when brakes are applied?

http://technoanswers.blogspot.in/2012/02/squeak-and-grinding-sound-is-heard-when.html

------------

Brake Pads Inspection on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/brake-pads-inspection-on-acura-integra.html

-------------

How to remove Brake Pads on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-brake-pads-on-acura.html

--------------

How to remove Brake Disc Rotor on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-brake-disc-rotor-on-acura.html

------------

Brake Caliper OVERHAUL on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/brake-caliper-overhaul-on-acura-integra.html

------------

How to remove Brake Caliper on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-brake-caliper-on-acura.html

------------

How to remove Parking Brake shoes on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-parking-brake-shoes-on.html

-----------

How to remove Parking Brake Cable on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-parking-brake-cable-on.html

-------------
Brake pedal is pulsating and vibrating? http://repairhelpcenter.blogspot.com/2012/01/brake-pedal-is-pulsating-and-vibrating.html

----------
2002 Ford Windstar: Brake Warning Light ON dash?

http://schematicsdiagram.blogspot.in/2012/06/2002-ford-windstar-brake-warning-light.html

-----------

These details will help.

Thanks.

Front brake
Step 1: Identify Front Disc Brake Components

Front Wheel Drive Brake Assembly
Most front disc brake components include: brake rotor, brake pads, brake caliper, caliper mount and brake flex hose. Brake service usual occurs between 20,000 and 40,000 miles depending on driver habits, road conditions and brake pad/ rotor materials used.
Step 2: Remove Brake Caliper to Replace Pads

Removing Brake Caliper Mounting Bolts
Locate primary caliper mounting bolts; apply wrench pressure counter-clockwise (When looking at the head of the bolt) to remove the bolts, upper and lower. Make sure the bolt threads are in good shape and replace if necessary.
Step 3: Remove Front Brake Caliper

Remove Front Brake Caliper
After removing the primary caliper mounting bolts lift the brake caliper off of the rotor and then tie or secure to the side, being careful not to bend or kink the brake caliper flex hose. Thoroughly inspect brake caliper and brake hoses for leakage, cracks or chaffing and replace as needed. Next remove the brake pads (If not mounted in the caliper) and secondary caliper mounting bolts. Notice how great protective gloves work, most technicians use them on the job today.
Step 4: Remove Brake Pads

Remove Front Brake Pads
Once the brake pads have been removed, make sure if there is anti rattle hardware to transfer to the new brake pads. Some brake pad manufacturers will include the proper lube (Caliper slides) and anti-rattle hardware to ensure proper performance of their product.
Step 5: Remove Caliper Mount

Remove Caliper Mount Bracket
Finish removing secondary caliper mount bolts and remove caliper mount. Note: clean and lube caliper slides and pad friction surfaces of all foreign material or build-up.
Step 6: Remove Brake Rotor

Remove Brake Rotor
With the caliper mount out of the way you can now remove the brake rotor. Sometimes it can get stuck so you may need to tap it with a hammer or use penetrating oil to free it up. Some manufacturers use small screws to hold the rotor on as well. Clean and inspect wheel studs, replace if any are damaged. Also clean bearing hub rotor mount surface to ensure the proper mounting of the new brake rotor. Inspect the ABS sensor wheel for cracks or damage and replace as needed.
Step 7: Depressing the Brake Caliper

Resetting Brake Caliper
To install the new brake pads you must retract the brake caliper piston. Remove the master cylinder lid or open the brake caliper bleeder screw to allow excess brake fluid to be released if necessary. Install C clamp tool and gently tighten clamp until caliper piston is fully depressed. Note: use old brake pad to protect the caliper piston. Close the bleeders once the piston is retracted completely
Step 8: Installing New Brake Rotor

Install Brake Rotor
Install new brake rotor, the new rotor is manufactured with a protective film over the rotor to keep it from rusting, remove protective film with brake cleaner before installing; also after the brake job is complete you may experience a small amount of smoke from the rotor when first used. This is normal and will go away after the first couple of uses.
Step 9: Installing New Front Brake Pads

Installing New Brake Pads
Reinstall the front brake caliper mount, and then install front brake pads. Make sure the pads are seated properly in the caliper mount; it must be a close fit to work properly..
Step 10: Reinstall Front Brake Caliper

Re-Install front Bake Caliper
Reinstall front brake caliper and reinstall caliper-mounting bolts, recheck all mounts and mounting bolts. Check the caliper slides to be sure there is no bind and that the caliper moves freely back and forth on the caliper slides. Bleed brake system per manufacturer's specifications to relieve any air trapped in the system. Before driving the vehicle, push the brake pedal down and let it up slowly, repeat until normal brake pedal operation resumes, this operation is forcing the brake pads to travel to the brake rotors.

Your model is not to involved with special needs or tools...The brake pads are exposed when you remove the front caliper...this is accomplished by removing the 2 mounting bolts completely, then lift the caliper off of the rotor...be sure to hang the caliper on a strut spring or something to keep it from falling or damaging the brake line...you can pull off the rotors on this model after removing the caliper...You need to push the pistons all the way in to use the new pads...channel locks can do this. I recommend that you include replacing the rotors as this will assure the smooth new operation of pads and rotors...the rotors are inexpensive at about $20-$25...use all lubricants in re-assembling the calipers, and grease your wheel studs for weather-proofing and future service. SPECIAL NOTE: After completion pump the brakes before driving...do not be surprised that the pedal initially goes to the floor...keep pumping to restore...check fluid in master cyclinder to be sure still full...congratulations on replacing your own brake parts and saving $$$$

I would say that you have a rotor issue. The rotor is the part onto which the brake pads press and apply braking force. You may have front wheel disk brakes or all wheel disk brakes. I would take the vehicle to a reputable brake specialist and have them check the rotors for wear and a condition called "run out". If the rotors are not worn past the manufacturers specs, you can have them machined which will bring them back to true and prevent the shakes. If the rotors are worn, then replace them as worn rotors can shatter causing total loss of braking and control which can be dangerous.. Do this as soon as you can...

Try having the dealer flush and bleed your system. It is very hard to bleed ABS systems yourself and have safe brakes that still work afterward. Bleeding non-ABS brakes yourself is easy not the same for ABS brakes. Valving, sensors and what-not require a tech and the correct equipment in my opinion. You do it wrong and you could ruin your ABS system. Do that and see if they firm up. I replaced my brake shoes/pads at the same time all new everything in back, drums/springs everything and new rotors up front. then I had the chevy dealer flush, refill and bleed system. Stiffer pedal and brakes work better. Keep in mind the brakes on 99 Tahoes are inaedequate, require new rotors often, heat up and fade/glaze pads regularly. I replace my pads long before they wear down because they glaze up and start fading early. I'll rough em up once maybe, next time, new ones. Every two brake jobs, new rotors for me. Just how it is. They will stiffen a bit and work better but they will never be awesome brakes. Just how it is on 99 and earlier Tahoes. Hope it helps. Very important to bleed correctly though. I'll bleed my 83 Toyota 4x4 myself but not the Tahoe.