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Old 08-03-2016, 06:38 PM #1
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New 4th Gen owner ABS Problem Youtube video of problem
I think...

Just picked up the 2007 Limited V6. It was doing this during my test drive and allowed me a negotiate a lower price. I am having problem and in the manual i downloaded i cant find this specific part. As you can see in the Video below, the Compressor or pump (Gold mechanism)) seems to be on a constant cycle. I think it is the break booster that should cycle when pressure is needed... but not every 5 seconds.

Any clue to what the part is?
Better question - Any clue on what the solution is?
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Old 08-03-2016, 11:40 PM #2
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That gold thing is the pressure accumulator. It sits on top of the brake booster pump. Either the accumulator isn't holding pressure or you have air in the system.
Do your research, I am a 03 & 04 expert. But I bought a complete system like yours from a salvage guy that didn't know things changed in late 04. Guaranteed to fit. So I have a complete unit if you need one! The early models cost $2,000 new. I hope you got a great deal.
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Old 08-04-2016, 11:15 AM #3
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Quote:
Originally Posted by V8Man View Post
That gold thing is the pressure accumulator. It sits on top of the brake booster pump. Either the accumulator isn't holding pressure or you have air in the system.
Do your research, I am a 03 & 04 expert. But I bought a complete system like yours from a salvage guy that didn't know things changed in late 04. Guaranteed to fit. So I have a complete unit if you need one! The early models cost $2,000 new. I hope you got a great deal.
Thank you sir! This will get me started.
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Old 08-10-2016, 05:56 PM #4
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Quote:
Originally Posted by soloone View Post
Thank you sir! This will get me started.

fixed.

Turns out it was the Pressure Accumulator. Easiest to fix was to replace master brake assembly. it was $2k parts cost from dealer. Found one for $350 from the salvage yard. $150 to install.

Other Part Number:47025-35070
Manufacturer Part Number:89541-35050
Interchange Part Number:47050-35030
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Old 08-11-2016, 12:01 AM #5
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Quote:
Originally Posted by soloone View Post
fixed.

Turns out it was the Pressure Accumulator. Easiest to fix was to replace master brake assembly. it was $2k parts cost from dealer. Found one for $350 from the salvage yard. $150 to install.

Other Part Number:47025-35070
Manufacturer Part Number:89541-35050
Interchange Part Number:47050-35030
So glad it worked out for you!
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I currently own 4 T4R 4th Gen
#1) 2003 Sport V8 2WD purchased new, totaled @ 175,000.
#2) 2003 SR5 V8 2WD running w/engine from #1(Son#3 is Driving)
#3) 2003 Sport V8 4WD
#4) 2004 Sport V8 Supercharged 4WD
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