Why do brakes have no power when car started.

What is your question?

I replaced booster and mastercylinder. All 5 brake lines and calipers. System has presure until I start engine and then no brakes and pedal drops to floor?

jhndlln583 in Plainfield IN

Nov 10, 2012

Popular Answer

What are the best Mercedes-Benz repair shops?

RepairPal Certified shops can diagnose and repair your 1990 Mercedes-Benz 190E. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

1990 Mercedes-Benz 190E auto repair 1990 Mercedes-Benz 190E estimates 1990 Mercedes-Benz 190E questions 1990 Mercedes-Benz 190E problems 1990 Mercedes-Benz 190E recalls

What is your question?

Popular Answer

Why do brakes have no power when car started.

What is your question?

I replaced booster and mastercylinder. All 5 brake lines and calipers. System has presure until I start engine and then no brakes and pedal drops to floor?

jhndlln583 in Plainfield IN

Nov 10, 2012

3 Replies

Popular Answer

edward123on Nov 10, 2012

was the whole system bleed to get rid of the air /<?Sounds like you have air in the system

jhndlln583on Nov 11, 2012

I bled rear brakes and front brakes from the calipers with a vacum pump

edward123on Nov 12, 2012

The best way to get the air out is to have someone pump the brake until it`s hard and then bleed the lines till you have brake fluid coming. I wouldn`t trust a vacume pump..

Reply in Thread

your.mechanicon Nov 11, 2012

possible air in lines...brake bleeding is critical

ziptie12on Nov 12, 2012

Incorrect adjustment between master cylinder and booster. Describe , again , the symptoms and difference from shut off to start-up.

Join the conversation!

Popular Answer

What are the best Mercedes-Benz repair shops?

RepairPal Certified shops can diagnose and repair your 1990 Mercedes-Benz 190E. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

1990 Mercedes-Benz 190E auto repair 1990 Mercedes-Benz 190E estimates 1990 Mercedes-Benz 190E questions 1990 Mercedes-Benz 190E problems 1990 Mercedes-Benz 190E recalls

Tuffy Tire & Auto Service Center - Grandview

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Columbus, OH

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Excite Auto Repair & Towing

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5.94 mi

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All In Auto Service

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Tuffy Tire & Auto Service - Grove City

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6.67 mi

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Blackstone Complete Auto Care

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6.77 mi

4800 Sinclair Road

Columbus, OH

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Boyd's Tire & Service - Columbus

4.7

(183)

7.23 mi

5263 Godown Rd

Columbus, OH

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Opens 8:00 AM Wed

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See All 27 Locations

3 Replies

Popular Answer

edward123on Nov 10, 2012

was the whole system bleed to get rid of the air /<?Sounds like you have air in the system

jhndlln583on Nov 11, 2012

I bled rear brakes and front brakes from the calipers with a vacum pump

edward123on Nov 12, 2012

The best way to get the air out is to have someone pump the brake until it`s hard and then bleed the lines till you have brake fluid coming. I wouldn`t trust a vacume pump..

Reply in Thread

your.mechanicon Nov 11, 2012

possible air in lines...brake bleeding is critical

ziptie12on Nov 12, 2012

Incorrect adjustment between master cylinder and booster. Describe , again , the symptoms and difference from shut off to start-up.

Join the conversation!

Why do brakes have no power when car started.

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