robselina
05-22-2005, 05:07 PM
Well, I got the front suspension sussed out so the Scout came out of the garage today. The full hydro works, but it's got a few issues I'm concerned about. Here's a general run down on the system and the problems I'm having. Any advice appreciated....
I still have the 196 and it had manual steering stock so I've started out with all new parts. I'm running a PSC 2x8 ram (I know, probably should be a 2.5x8) and also the PSC 1405 hi-flow pump for full hydro applications. I'm using PSCs remote reservoir too. The steering valve is a Parker Haniff. All fluid lines were made at my local NAPA. All the joints at the valve and the ram are the swivel type.
The system 'works' but I'm having some issues with the pump. First, it makes a quite lot of noise...even if I'm not turning the wheel I can hear the pump running. When you do turn, it sounds like a PS pump that's low on fluid. I also I get some chirping and other sounds ocassionally. It looks like the pump is pulling forward in the engine bay and the belt is skipping (more on this later). Anyway, here are some pics for info purposes:
http://infohost.nmt.edu/~rselina/scout/scoutsteer1.JPG
In the above pic the thing worth noting is the reservoir, it protrudes out the hood. Based on where I had to mount the pump, this was the only way to get it up high.
Here's a shot from the drivers side showing the reservoir relative to the pump. The pump inlet is the big hose you can see comming out of the upper passenger side. It comes from the BOTTOM of the reservoir. That hose is sort of the 2nd high point and I"m not sure if I'm getting air trapped there or someting....
http://infohost.nmt.edu/~rselina/scout/scoutsteer2.JPG
Here's the same from the passenger side. My pump mount is proving inadequate and the pump seems to pull forward under load and then the belt slips (not much, but it does....). I think I'll have to build an upper side mount and run it back to some point on the block, haven't figured that out exactly yet....
http://infohost.nmt.edu/~rselina/scout/scoutsteer6.JPG
Here's a close up of the reservoir. It's puking fluid when I turn left (and the ram compresses). It's vented through the cap. I'm wondering if a sealed reservoir might work better?
http://infohost.nmt.edu/~rselina/scout/scoutsteer5.JPG
Just for completeness, here are a few other pics of the system. Here's the steering valve (The hoses are going to be routed out of the way later):
http://infohost.nmt.edu/~rselina/scout/scoutsteer3.JPG
And here's the ram (fluid is from the reservoir):
http://infohost.nmt.edu/~rselina/scout/scoutsteer4.JPG
And one more shot of the pump and reservoir:
http://infohost.nmt.edu/~rselina/scout/scoutsteer7.JPG
Okay, air in the system: I'm not positive I've got all the air out. Could it be that the pump noise is simply a little air? I filled the reservoir then turned the wheels by hand (front axle was on jacks). I kept toping up the reservoir while I did this. I then proceeded to do the same using the steering wheel. It started to give good response and not accept more fluid so I cranked the engine over. It did suck some more so I topped up the reservoir again and then cranked it over, then started it up. It pretty much stopped accepting fluid (and then started to puke it out when turning left) so I called it good....I'm 99% sure I don't have any leaks. The reservoir puking fluid is making it a little hard to tell on the ram, I MAY have a slight leak on the drivers side ram input but I'm pretty sure that was just fluid falling off the frame....
I'm thinking that the reservoir needs to be up higher relative to the pump (since the reservoir only runs 1/2 full most of the time), but before I start ordering more parts I thought I'd throw this out there...
Sorry for the long post on this one, didn't want to leave anything out. Any thoughts apprecaited...
I still have the 196 and it had manual steering stock so I've started out with all new parts. I'm running a PSC 2x8 ram (I know, probably should be a 2.5x8) and also the PSC 1405 hi-flow pump for full hydro applications. I'm using PSCs remote reservoir too. The steering valve is a Parker Haniff. All fluid lines were made at my local NAPA. All the joints at the valve and the ram are the swivel type.
The system 'works' but I'm having some issues with the pump. First, it makes a quite lot of noise...even if I'm not turning the wheel I can hear the pump running. When you do turn, it sounds like a PS pump that's low on fluid. I also I get some chirping and other sounds ocassionally. It looks like the pump is pulling forward in the engine bay and the belt is skipping (more on this later). Anyway, here are some pics for info purposes:
http://infohost.nmt.edu/~rselina/scout/scoutsteer1.JPG
In the above pic the thing worth noting is the reservoir, it protrudes out the hood. Based on where I had to mount the pump, this was the only way to get it up high.
Here's a shot from the drivers side showing the reservoir relative to the pump. The pump inlet is the big hose you can see comming out of the upper passenger side. It comes from the BOTTOM of the reservoir. That hose is sort of the 2nd high point and I"m not sure if I'm getting air trapped there or someting....
http://infohost.nmt.edu/~rselina/scout/scoutsteer2.JPG
Here's the same from the passenger side. My pump mount is proving inadequate and the pump seems to pull forward under load and then the belt slips (not much, but it does....). I think I'll have to build an upper side mount and run it back to some point on the block, haven't figured that out exactly yet....
http://infohost.nmt.edu/~rselina/scout/scoutsteer6.JPG
Here's a close up of the reservoir. It's puking fluid when I turn left (and the ram compresses). It's vented through the cap. I'm wondering if a sealed reservoir might work better?
http://infohost.nmt.edu/~rselina/scout/scoutsteer5.JPG
Just for completeness, here are a few other pics of the system. Here's the steering valve (The hoses are going to be routed out of the way later):
http://infohost.nmt.edu/~rselina/scout/scoutsteer3.JPG
And here's the ram (fluid is from the reservoir):
http://infohost.nmt.edu/~rselina/scout/scoutsteer4.JPG
And one more shot of the pump and reservoir:
http://infohost.nmt.edu/~rselina/scout/scoutsteer7.JPG
Okay, air in the system: I'm not positive I've got all the air out. Could it be that the pump noise is simply a little air? I filled the reservoir then turned the wheels by hand (front axle was on jacks). I kept toping up the reservoir while I did this. I then proceeded to do the same using the steering wheel. It started to give good response and not accept more fluid so I cranked the engine over. It did suck some more so I topped up the reservoir again and then cranked it over, then started it up. It pretty much stopped accepting fluid (and then started to puke it out when turning left) so I called it good....I'm 99% sure I don't have any leaks. The reservoir puking fluid is making it a little hard to tell on the ram, I MAY have a slight leak on the drivers side ram input but I'm pretty sure that was just fluid falling off the frame....
I'm thinking that the reservoir needs to be up higher relative to the pump (since the reservoir only runs 1/2 full most of the time), but before I start ordering more parts I thought I'd throw this out there...
Sorry for the long post on this one, didn't want to leave anything out. Any thoughts apprecaited...