2003 Pontiac Montana Brake Master Cylinder replacement

2003 PONTIAC MONTANA
74,000 MILES • 3.4L • 6 CYL • FWD • AUTOMATIC
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XJSHEN
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Dealer fixed Coolant leak by replacement of intake manifold set with $760.
Tech found fluid is very sticky said oil mixed in the brake fluid and need to be replaced for a new brake Master cylinder by quoting $500. Is the price is fair? before I replaced Master cylinder in another GM car just paid $130. Is it possible do by myself?
Thanks for your input!
Mar 12, 2015 at 4:57 PM
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JACOBANDNICKOLAS
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First, how did engine oil get into the brake system? I see no way that could have happened.

As far as the cost, the flat rate calls for 2 hours labor. Then you have to pay the for the part. You can purchase one for around 75.00. Plus, there is brake fluid. So add 5 more dollars.

That leaves 420.00 in labor. Do they charge $210.00 per hour labor? If so, find a new shop.
Mar 13, 2015 at 5:19 AM
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XJSHEN
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I don't know. How it was happened. GM shop have a batter replacement and created code p0135n and fixed it. And inspection services since I buy a new car. Where can buy cylinder at $75?
I want to replace it at home. If I can find a tech he work at my house it is nice.
I will start the work soon.
Thanks!
Mar 14, 2015 at 5:42 AM
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JACOBANDNICKOLAS
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http://www.autozone.com/brakes-and-traction-control/master-cylinder-brake-system/duralast-new-master-cylinder-brake-system-/pontiac/montana-2wd/2003/6-cylinders-e-3-4l-sfi/493884_429915_2558/
Mar 14, 2015 at 10:06 PM
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XJSHEN
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Thanks for your information and help!
Mar 14, 2015 at 11:41 PM
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JACOBANDNICKOLAS
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Not a problem. Let me know how things go for you.
Mar 16, 2015 at 5:11 AM