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Open Roads Forum  >  Tech Issues

 > Help identify leaking engine part (pic)

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Mike134

Elgin, IL

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Posted: 02/11/21 03:29pm Link  |  Quote  |  Print  |  Notify Moderator

Not sure how small some of the orifices are on late model power steering racks. You may clog more than your leak by adding stop leak


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Gdetrailer

PA

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Posted: 02/11/21 03:48pm Link  |  Quote  |  Print  |  Notify Moderator

enblethen wrote:

GDEtrailer: your photo is of a brake master cylinder
Oldwizard1 show the pump with a non-metallic connector


Yes, I realize the photo I posted IS the Master cylinder..

OP mentioned that the item they posted has a line up to what they called the "brake reservoir".

The reason I posted that photo is to show the OP what the master cylinder AND BRAKE RESERVOIR LOOKS LIKE and the DIFFERENCE between the two is unmistakable..

Basically they have traced the line from the power steering pump up to the remote power steering fluid reservoir.

I wanted the OP to understand clearly what the brake reservoir looks like and where it is located..

Power steering pump is leaking, needs replaced, absolutely under no circumstance put an "fix its in a can" in that system like "bars leak", that stuff can and will damage your steering system beyond repair and you do not want to have to buy a replacement steering gear box..

Only put in recommended hydraulic fluids in your power steering system and make darn sure it does not go empty.. That pump when run dry or with improper fluid will have internal parts grinding together grenadeing your steering gear box in the process.

DrewE

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Posted: 02/11/21 05:16pm Link  |  Quote  |  Print  |  Notify Moderator

Bear in mind too that the E450 uses hydroboost brakes. The power steering pump also drives the power brake system. I'm pretty sure you don't want to encounter using unboosted brakes on this large and heavy of a vehicle; I know I certainly don't care to.





SJ-Chris

San Jose, Ca

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Posted: 02/11/21 09:13pm Link  |  Quote  |  Print  |  Notify Moderator

Update....

So I drove the front end of my RV up onto some leveling blocks to give me a couple more inches to crawl around. I was able to discover that the leak wasn't actually coming from the power steering pump (...which makes sense, because I haven't been losing any power steering fluid). I was able to look further up on one of the hoses coming in and I could see that the leak was coming from the upper radiator hose (right at a clamp). I applied a pressure test on the radiator and sure enough, it was leaking right at the hose connection. I was able to get a socket onto the hose clamp screw-head and was able to give it several turns to tighten. I tightened a couple of other hose clamps underneath and ran the pressure test again. Those leaks all stopped! There is a tiny tiny radiator leak I'm still investigating. For now, I feel much better. Thanks all for your suggestions and input.

-Chris


San Jose, CA
Own two 2015 Thor Majestic 28a Class C RVs

enblethen

Moses Lake, WA

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Posted: 02/12/21 06:18am Link  |  Quote  |  Print  |  Notify Moderator

Thanks for the up date!


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Ron3rd

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Posted: 02/12/21 07:09am Link  |  Quote  |  Print  |  Notify Moderator

Nice work


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MFL

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Posted: 02/12/21 07:21am Link  |  Quote  |  Print  |  Notify Moderator

Hope you got it figured out! Sometimes, a color test, using a white paper towel, or tissue, can identify what the leaking fluid is. You can always use the taste test too!!

Jerry





2oldman

NM

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Posted: 02/12/21 08:48am Link  |  Quote  |  Print  |  Notify Moderator

MFL wrote:

Hope you got it figured out!
He did.

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