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Username Post: Pitman Arm Seal Leaking        (Topic#367478)
Blueseasons 
Contributor
Posts: 205

Reg: 10-13-11
01-17-22 05:14 PM - Post#2834741    

I am going to take it to get it fixed but first, I'd like to know this leak is indicative that the rest of the steering box is shot. I really don't want to spend the big bucks on a repair right now. I am guessing the seal is pretty cheap and a couple hundred in labor to install. Getting to that seal is going to be tough since that area is so close to a cross member. Does the box need to come out to get to it?



 
MiragePilot 
Poster
Posts: 67

Loc: Tucson, AZ
Reg: 08-18-16
01-18-22 03:39 PM - Post#2834798    
    In response to Blueseasons

How old is the vehicle/gearbox?

2002 Chevy Express 1500 conversion van (Explorer SE conversion)

RIP (totaled in Feb '18): 1996 Chevy Express 1500 conversion van (Starcraft Hi-Top Conversion)


 
Tony1963 
Frequent Contributor
Posts: 1281

Loc: Orlando Florida
Reg: 07-09-18
01-18-22 03:51 PM - Post#2834801    
    In response to Blueseasons

I only every had one GM gearbox leak and it was on a 1980 Chevrolet Monza. I pulled the gearbox off and was going to have a machine shop pull the arm and replace the seal.

He told me that in every case he ever had, the shaft had wear which made the shaft off center, thus the leak.

I replaced the gearbox with a rebuilt unit.



 
Silverado Kid 74
Newbie
Posts: 49

Age: 74
Loc: Jackson California
Reg: 07-26-16
01-18-22 04:51 PM - Post#2834807    
    In response to Blueseasons

What year of truck? It could be a leaking power steering pump or the return line for the power steering pump/reservoir. The return line for my 1994 K2500 loops back from the cooler on the radiator and goes inside of the trucks frame in a loop and then back to the pump. It can leak and make it appear that it is the steering box that is the cause. I too had a similar leak so I ordered a new steering box thinking it was coming from there, a china special of course, and the junky rebuilt box really created a loose steering problem for me. Then a good friend that is a mechanic looked the problem over and found the leak coming from the return line. It had corroded and had very small holes in the tube, almost invisible. After replacing the return line I ordered the best steering box I could and had it installed and the steering problem was fixed. I told the mechanic that installed the old box and the second one about the problem and he had no idea that the return line looped back inside of the frame. I guess Chevy did this for a bit more cooling of the return line? Go figure.



 
Blueseasons 
Contributor
Posts: 205

Reg: 10-13-11
01-19-22 08:30 AM - Post#2834847    
    In response to MiragePilot

34 years old. 123k on it



 
Blueseasons 
Contributor
Posts: 205

Reg: 10-13-11
01-19-22 08:33 AM - Post#2834848    
    In response to Tony1963

The only one that I had ever leaked was on a a 52 ,3100. Rather than replace it,I filled it up with bearing grease and I drove it that way for 16 years. Its an easy fix to replace that seal if you have a shop. I am bringing it in today. We'll see what the guy says. I am hoping I don't need a new one.



Edited by Blueseasons on 01-19-22 08:35 AM. Reason for edit: No reason given.

 
Blueseasons 
Contributor
Posts: 205

Reg: 10-13-11
01-19-22 08:42 AM - Post#2834850    
    In response to Silverado Kid

Its a 88. Of all the vehicles that I have ever owned, I have not had a power steering pump fail. The only leaker I experienced was a MOPAR pump. Its built with plastic and the pump/reservoir comes in 2 pieces and the grommet between the halves usually fails after 20 years. I'm 99% sure its the seal in this case. I cant see the leak from up top and I can clearly see fluid coming from above the end of the steering arm.The cooler is in front of the radiator and its been disconnected for years. The rubber hoses are all fairly new and I don't see why the metal ones on the pump would leak but I'll have the guy check it , Thanks



Edited by Blueseasons on 01-19-22 08:44 AM. Reason for edit: No reason given.

 
bobb 
Super Senior Member
Posts: 5999

Loc: paradise
Reg: 09-05-03
01-23-22 11:03 AM - Post#2835089    
    In response to Blueseasons

if it is the box leaking its best to get a reman. you must verify the leak first. ive seen many misdiagnosed leaks. and some real butchered fixes.

70 L camino, grampa engine, g-force 5 spd, road rage suspension. Pray first before all else fails.


 
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