HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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issue with hydro boost system

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issue with hydro boost system

Post  hutchjc1 on Tue Jun 28, 2016 6:36 am

Morning guys,
Car is an 86 turbo LS1 with the hydro boost system purchased through Kent at TPC, it uses a new turn one P/S pump also purchased through Kent so it should be set up for the 944 rack. The car has over 600 miles on it now and it still is not consistent with either steering or braking action. At low speeds the assist is very sporadic, and the unit has a very pronounced whine to it that increases with the load. I have tried to bleed it in a few different ways with no real change in performance. I have read that the systems are very sensitive to restrictions in the return lines but I assume others are using this same setup with no issues, and I believe the smallest diameter / restriction is into and out of the rack so I can really do anything about that. When coming to a stop if you happen to use the brakes and turn, the loading is enough that it wants to stall the engine. With the engine running you can grab the line out of the hydro boost unit and feel a very pronounced vibration that seems to match the whine that you hear, and is also felt in the pedal. It has redline synthetic P/S fluid and the level is correct on the dipstick.
Might I have a bad booster ? Is the block that TPC adds to the unit transferable to a new unit if this unit is bad ?
Kind of at a loss and looking for any advise, where should I start ?
Thanks for any help,
Jim

hutchjc1

Posts : 67
Join date : 2015-07-21
Location : Westminster Maryland

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Re: issue with hydro boost system

Post  docwyte on Tue Jun 28, 2016 9:26 am

It took a long time for mine to bleed. I was adding fluid to it for awhile, it whined the entire time until it was finally bled...

docwyte

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Join date : 2010-07-18

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