Came up with a good technique for expanding the oil return tubes.

[PabloX]

(I tried to add this to the appropriate tech article, but the site returned an error when I submitted it)

I just installed the OEM expandable tubes and used a bit different technique. I put a hose clamp on both sides of the tube. Then I put one end into the crank case. To get the other end into the head, I used two crescent wrenches set so they just slipped onto either side of the tube, and inside of the two hose clamps. Then, I put a socket up between the heads of the two crescent wrenches, to act as a fulcrum. Then, just squeeze the two handles of the wrenches and that applies pressure to expand the tubes.

I had to use a few different sockets and adjust the hose clamps as the tubes expanded, but it worked well and only requires one person. Also, the crescent wrenches don't damage the tubes like pliers could.

The old tubes easily came out by using the largest water pump pliers to crimp/flatten the middle. Then I turned the tube 90 degrees so the flat portion was horizontal and simply pulled it down by hand.

[mreid]

Love it, great idea!

[911M491]

Nice idea. I did mine recently and it was exhausting. One of those every tool in the shop episodes. Someone will produce a tool for this one day.

[PabloX]

Originally Posted by 911M491

Nice idea. I did mine recently and it was exhausting. One of those every tool in the shop episodes. Someone will produce a tool for this one day.

When I first started, I wasn't too optimistic. A spreader of some type that puts constant pressure on is what's really called for.

Also, I used a heat gun on it and that helped quite a bit.