Power Steering inconsistent - Defender Source
Defender Source  

Go Back   Defender Source > Defender & Series Technical Discussions > Defender Technical Discussions


Reply
 
Thread Tools
  #1  
Old January 25th, 2014, 04:42 PM
Jackie Treehorn's Avatar
Jackie Treehorn
Status: Offline
A
1985 (legitimately)
Member
 
Join Date: Jun 2011
Location: Massachusetts
Posts: 1,984
Registry
Power Steering inconsistent

So, maybe its the cold weather doing a number on old seals/o-rings, but my power steering (RHD D110) developed an inconsistent assist pattern over the past week.
Starts out a bit stiff (but still has some assist), then after 1/2 turn of the wheel the assist increases and then it becomes less again after another 1/2 turn or so.

The reservior is full and I didn't see any leaks along any of the lines and the pump appears fine (no squealing or other noises), so I'm focusing on the PS box itself.

Is there a wear item (o-ring kit, bushing kit or something) that can be replaced in-situ, or should I be looking for a replacement box?

did a search and found a thread within a thread on the box replacement in an older Tjfslaughter thread: http://forums.lr4x4.com/index.php?showtopic=16765 but that doesn't really help me diagnose the problem, only the replacement.

I would imagine it wouldn't be too hard to find a RHD steering box around with all of the conversions that have been done over the years, but I'd like to start with diagnosing it and perhaps refurbishing what I have first.
Reply With Quote
Sponsored Links
Advertisement
 
  #2  
Old January 25th, 2014, 07:14 PM
Jackie Treehorn's Avatar
Jackie Treehorn
Status: Offline
A
1985 (legitimately)
Member
 
Join Date: Jun 2011
Location: Massachusetts
Posts: 1,984
Registry
Yes, the pump and belt look okay.
I imagine that if the pump was on the way out or gone, there would be no assistance whatsoever, so again correct me if I'm wrong, but I'm looking at the box as suspect.
Reply With Quote
  #3  
Old January 25th, 2014, 10:58 PM
evilfij's Avatar
evilfij
Status: Offline
evilfij
I have never seen a rover in person
Member
 
Join Date: Oct 2003
Location: on the internet
Posts: 14,688
Air bubble. Try bleeding it. There is a nipple on the top of the box.

Sometimes they go bad internally and do that, but I would start with the easy path.
__________________
*not legal advice*
Reply With Quote
Sponsored Links
Advertisement
 
  #4  
Old January 25th, 2014, 11:32 PM
Jackie Treehorn's Avatar
Jackie Treehorn
Status: Offline
A
1985 (legitimately)
Member
 
Join Date: Jun 2011
Location: Massachusetts
Posts: 1,984
Registry
Awesome, thanks Ron. I'll start there tomorrow.
Is it fussy with what type of PS fluid?
Reply With Quote
  #5  
Old January 26th, 2014, 02:26 AM
evilfij's Avatar
evilfij
Status: Offline
evilfij
I have never seen a rover in person
Member
 
Join Date: Oct 2003
Location: on the internet
Posts: 14,688
Quote:
Originally Posted by Jackie Treehorn View Post
Awesome, thanks Ron. I'll start there tomorrow. Is it fussy with what type of PS fluid?
Cheap dextron mercon ATF is what it takes.
__________________
*not legal advice*
Reply With Quote
  #6  
Old January 26th, 2014, 07:16 PM
Jackie Treehorn's Avatar
Jackie Treehorn
Status: Offline
A
1985 (legitimately)
Member
 
Join Date: Jun 2011
Location: Massachusetts
Posts: 1,984
Registry
Well, I tried bleeding and it didn't improve, but it was 10 degrees outside so I'll try it again to make sure I didn't cut any corners. I did notice that the fluid in the reservoir appeared a little "frothy", but that could be because I went through a few full opposite lock cycles .

I just don't see how it could be the pump. I mean if the pump provides pressure it would probably be consistent pressure rather than in "waves", at least based on my understanding of how hydraulic pumps operate.

Now, if the box had a worn component like a worm screw or someone, that would seem like it could cause the "on/off" feel I'm talking about....maybe?

I just would rather know with more certainty before swapping the box out.
Reply With Quote
  #7  
Old January 26th, 2014, 08:25 PM
evilfij's Avatar
evilfij
Status: Offline
evilfij
I have never seen a rover in person
Member
 
Join Date: Oct 2003
Location: on the internet
Posts: 14,688
Could be a leak in a line, but I would guess the box is toast if bleeding did not help. I am out of ideas.
__________________
*not legal advice*
Reply With Quote
  #8  
Old January 26th, 2014, 10:41 PM
Jackie Treehorn's Avatar
Jackie Treehorn
Status: Offline
A
1985 (legitimately)
Member
 
Join Date: Jun 2011
Location: Massachusetts
Posts: 1,984
Registry
Yeah, I'm going to drive as-is until the weather gets better or I can schedule some time in a warm garage. I haven't seen any fluid leaking so I would guess its a leak but I should have a better look.
I should probably start looking for a box just in case.
Reply With Quote
Reply

Lower Navigation
Go Back   Defender Source > Defender & Series Technical Discussions > Defender Technical Discussions

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Trouble changing power steering belt, 94 D-90 Hans Defender Technical Discussions 13 October 8th, 2009 01:05 PM
RHD Power Steering Box.. TDI Guy For Sale - Parts 5 February 7th, 2006 10:42 AM
Power Steering Fluid Reservior fleabus Defender Technical Discussions 3 July 22nd, 2005 10:39 AM
Power steering box rebuild instructions? ezzzzzzz Defender Technical Discussions 1 August 4th, 2004 11:35 AM
Power Steering Fluid sherpamike Defender Technical Discussions 1 October 12th, 2003 12:09 PM


All times are GMT -5. The time now is 09:28 AM.


Copyright