I have a hydroboost system and it's leaking badly. I don't have a
diagram of where the lines go and I'm a bit confused - the leak is
just under the headlight. A lines come off the steering gearbox and
the pump and together go through a hole in the sheet metal in the
front (under the headlight, into the "grill cavity" for lack of a
better description). Here's where it's leaking, but it's also a very
tough spot to get to, so I wanted to get some opinion on the best way
to do so.
First - why do the lines go there? Is there a cooler that I was
unaware of for the hydroboost/power steering system? Again, Chiltons
is leaving me wondering. It makes no sense that the lines would go in
that area unless there was a cooler there or perhaps they plumb into
the radiator like the trans lines do on the other side. If you have
any insight on the best way to get in there to replace the line,
please let me know.
Yep there is a power steering cooler on the front side of the radiator.
Nothing real special about them. It is actually just a chunk of 3/8"
steel tubing bent into a flat serpentine shape. It is on the return side
of the system and is easy to replace with a simple loop. Or get a high
flow transmission cooler that uses 3/8" lines and install it.
Easiest way is to pull the grill and you will find the cooler right
there on the right side. You will see the lines going through the core
Thanks for the reply. I talked to a friend of a friend who said the
same and I ended up just bypassing it with a hose barb and a couple of
clamps. I don't drive it much and won't be hauling anything this
winter, so I'll tear down the front end in the spring and take care of
that along with a few other minor issues. For now, it seems to work
Here's where everyone jumps on me for applying my typical hillbilly
engineering - I was out of power steering fluid while I was having the
issue and so I used trans fluid. Been using it ever since, so the
system is probably 90% trans fluid at this point. Is this massively
bad, kinda bad, or okay to do? The power steering fluids on the shelf
seem to have almost no certifications or standards, while the
transmission fluids do - trans fluid appears to have to adhere to
tighter specs than PS fluid. My PS pump has many miles on it but seems
to be doing fine at this time. I'm going to drive it a couple hundred
miles tomorrow so we'll see what happens.
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