Massive Pentosin Leak

[SJ]

Patient: 90 100q
Symptom: Leaking from the reservoir - pump hose connection.

I lost all the reservoir pentosin overnight.
The temps dropped into the teens. Apparently, the connection at the
reservoir-hose is no longer supple enough to compensate for temperature
changes.
I suspected this area to be leaking Pentosin, but leaking randomly.

Two weeks ago,  I wrapped the connection with a pleated paper towel, secured
with a tie wrap. If there was a leak, the paper towel would be saturated and
green in color. All was well for two weeks until this morning - temps
overnight dropped to 10 deg F. All the pentosin was on the driveway. The
paper towel was saturated and green.
I dont want to tighten the hose clamp more than it is. I'm afraid of
crushing or breaking off the reservoir plastic nipple.

To fix the problem temporarily, I want to replace the hose end with new
material.
Cut off about a foot from the end of the hose.
Add a copper or brass tubing to inside of the old hose.
Slip new hose over brass tubing.
Secure tubing with hose clamps(dont have to worry about overtightening).
Use the new, supple hose section on reservoir nipple.

Anyone know what the Pump to Reservoir Hose inside diameter is?

SJ
85 Dodge PU, D-250, 318, auto
85 Audi 4k - - sold but still on the road
88 Audi 5kq
90 Audi 100q




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