Cat Lift Trucks (& Caterpillar) CAT T50:
Peugot engine

Anyone have problems with the engine losing oil through the crankshaft baffle into the torque converter housing? This model engine doesn't have a seal and uses a baffle system to keep the oil from leaking out. I've changed the PCV valve and the crankcase breather filter in the hopes that maybe crankcase backpressure was blowing the oil out with no luck. It's not overfilled with oil so I'm at a loss of what to do except pulling the engine out and disassemble for inspection. Anyone have any ideas?
  • Posted 18 Jan 2008 03:55
  • Discussion started by sleepywheel
  • British Columbia, Canada
Showing items 1 - 13 of 13 results.
My problem with EP6 with crankcase ventilation.

Repair kit valve cover for Peugeot 308, 3008, 207 (A7) engine EP6
Membrane valve cover for Peugeot 308, 207 (A7) engine EP6
OEM 0248.Q5
new diaphragm valve for crankcase ventilation.
producer sells only cover entirely.
they produce membrane separately!

replacement is very easy, you need to remove the valve cover by prying it with a screwdriver.
remove the old and install the new membrane.
close the cover.
savings of more than $250
  • Posted 25 Oct 2015 06:59
  • Reply by kerry_b
  • derb, Bahamas, The
check you crankshaft end play. don't know what the spec is but I remember its very important it's within spec because of just having a slinger and no seal. Also I remember when loading forklifts that had the peugeot and the truck was on a steep slope they would sometimes leak. Hope this helps
  • Posted 14 Mar 2014 01:36
  • Reply by roddy
  • British Columbia, Canada
I do have a lot of Peugeot / Citroen workshop technical info but without an engine code I wouldn't know what to suggest.
  • Posted 9 May 2013 20:27
  • Reply by Forkingabout
  • england, United Kingdom
There an industrial engine so no idea of engine code.all we can work out is there a two litre engine.
  • Posted 9 May 2013 09:19
  • Reply by Forksone
  • Victoria, Australia
Peugeot XN1P and they were used in cars too.
  • Posted 9 May 2013 06:37
  • Reply by mrfixit
  • New York, United States
possibly contaminating the filter oil is very fast and cover the pcv install an extra protection
  • Posted 9 May 2013 00:56
  • Reply by jesus_p
  • chihuahua, Mexico
Never had the pleasure of servicing one of these- never heard anything good on this engine- everyone always complains of leakage. Does anyone know what other application this engine was used on?
  • Posted 9 May 2013 00:02
  • Reply by bbforks
  • Pennsylvania, United States
bbforks (at) Hotmail (dot) com
Customers love technology- until they have to pay to fix it!
What Peugeot engine are we talking about?

Got the engine code?
  • Posted 8 May 2013 00:07
  • Reply by Forkingabout
  • england, United Kingdom
Did you get to bottom of your oil leak?i ended up pulling the same motor out,rebuilding including bearings,pistons,sleeves and new shims..only for it to leak six months later,so I pull motor out again redo crank end play run around in workshop for a week without a drop,give it back to customer and its pouring out 5mins after he jumps on it.......what the ****..these motors are a headache
  • Posted 7 May 2013 21:51
  • Reply by Forksone
  • Victoria, Australia
I can lift,stack,push and pull
I remember that when these units first came out, I was working for a Cat dealer at the time. There isn't a replaceable seal at the back of the crankshaft.
Peugeots are noted for leaking head gaskets and if you weren't careful removing the head, the liners would break loose and cause a lot more problems. I found that the breathers, hoses, and oil filler tube had a nice yellow foam coating plugging the openings. I guess they were preventing the PCV system from working properly and building up internal pressure which is causing the oil leaks.

Now try and get a Peugeot to start and run properly....................that's another can of worms.
  • Posted 13 Jul 2009 08:33
  • Reply by sleepywheel
  • British Columbia, Canada
I recall the rear seal on the 2.0 was called a "hydrodynamic seal" Not really a seal at all. High base pressure can push oil past it. I did an inframe in the field shortly after they came out in the late 80"s. It has free standing wet liners that are shimmed at the bottom to get the correct liner projection. I have one customer running the engine with over 15,000 HOURS! T30D. This is the exception, not the rule. EPS will not even offer this engine anymore the last time I asked.
  • Posted 13 Jul 2009 05:36
  • Reply by Forkliftt
  • Louisiana, United States
If pcv is still run on #3 cylinder move it to port under carborator and try that I have had problems of fouled #3 plugs and oil use.Single cylinder pulses to much for pcv.#1 at flywheel side of motor #4 at fan side.
  • Posted 31 Jan 2008 10:35
  • Reply by proshadetree
  • Tennessee, United States
Have seen the symptom when truck run on ramps and grades.
  • Posted 22 Jan 2008 04:27
  • Reply by carl_v
  • Pennsylvania, United States

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