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Old 04-05-2003, 09:04 AM   #1
the baron
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Is this common feature ...??

...of was this brake assistance device only used on Diesel powered trucks ?
Master vac installations are in use on diesel powered european cars , but this is new to me !
Is this a Hydro-vac ?
It works well anyway , the first time I pushed the brake pedal , I gave a kiss to the windshield...Smak !

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1979 C10 4X2 LWB (ex-350 diesel / now 350 gas engine )
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Old 04-05-2003, 12:35 PM   #2
apstguy
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It is called Hydro-boost. Uses the power steering pump to get pressure instead of engine vacuum. Diesels don't have vacuum. Yes it is a very common feature for power brakes on diesels.
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Old 04-05-2003, 12:47 PM   #3
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I just saw this was double posted - sorry! Delete this one!
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Old 04-06-2003, 12:25 PM   #4
Grim Reaper
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Quote:
Originally posted by apstguy
It is called Hydro-boost. Uses the power steering pump to get pressure instead of engine vacuum. Diesels don't have vacuum. Yes it is a very common feature for power brakes on diesels.
Yep and GM is using the same set up on 3/4 ton gas trucks now as well. Good idea if you ask me. More consistant breaking.
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