Tandem Pump Leaking Oil

I bought a new tandem pump gasket from a local vw dealer and replaced the old one. The access is easy and i have already removed and inspected the spool shafts. Went online and ordered the a replacement tandem pump gasket just hoping it would fix my leak.

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Case 1845c leaking on top of tandem pump.

Tandem pump leaking oil. Skip navigation sign in. Is it possible the gasket between the tandem pump and the engine is leaking. We take on a tricky tandem oil pump but the qrew have had enough. While disassembled i observed that there was a lot of oil on the camshaft and tandem pump coupling.

Discussion in skid steers started by rustin fletcher sep 26 2018. Leakage around the shaft. The tandem pump pumps diesel into the head fuel rails. As the seal becomes well worn external leakage may appear.

Oil leakage around the pump. It looks like rock auto has some in stock. Cardone was rebuilding them about 2 years ago. That is why vw put the pump in that position there are no high pressure pipes the high pressure diesel goes direct pump to head through aligned holes.

I observed slight leak wet dirt around lower part of tandem pump on the cylinder head. On some pumps piston pumps or those pumps operating with an overhead reservoir there may be a slight pressure behind the shaft seal. Leaking oil under the side of the engine most vacuum pumps are located on the left or right side of the engine typically closer to the brake master cylinder on diesel vehicles. The other issue on this wagon is a mystery oil leak.

Pulled the old tp gasket off and you could clearly see residue where it appeared the gasket wasn t tight up between the tp and the cam journal cap. I did that exchange and the pump is working fine. The vacuum pump requires oil to maintain proper lubrication and to reduce internal temperature due to its frequent use. I have a case 1845c that has decided to start leaking from the spools on top of the tandem pump.

Unbolted the tandem pump was 4 allen bolts holding it on and a few vacuum fuel lines. They are about 335 dollars plus the 75 dollar core charge. Oil leak 911 997 tandem pump removal 3 6 3 8 s s qrew. Have your existing pump rebuilt.

There are feed and return holes in the cylinder head that the tandem pump bolts onto. Now it looks like ac delco is doing the overhauls on the pumps. Rock auto used to do exchange on tandem pumps. It would be attractive to reseal 3 pumps for less than 150 as apposed to spending 230 x 3 on tandem pumps.

I thought the valve cover gasket was the main bad actor but something else is leaking significantly.