Using Oil Need Help Compression Test
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Freshman User
Joined: Nov 2006
Posts: 31
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From: Forks, on the coast Wa.
Using Oil Need Help Compression Test
I have a real problem. I brought a early 99 that had been sitting for about 6 months,it run a little rough from idle to about 1600 and had a little blue smoke until it got warm. The first little trip I took with it about 300 miles it used about 2 Qt. of oil, the next was about 400 miles and it started running better so I play with it a little to see what kind of power it had and I went through about 2 1/2 gal. of oil. There not much sign of oil under it.[ maybe turbo seals or ccv ]Yesterday I pull the IC out and it had quite alot of oil in it. Now that I have the IC piping out I am going to run a compression check on it. I need to know how to disable everything so I can spin it over or should I just use a remote starter switch. Any help on this or the oil probelm would be greatly appreiated. I have worked on alot bigger diesels [CAT & Cummins} from overhaul to tuneups but nothing elecrontric.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,111
From: Rio Rico, AZ.
If you unplug the CPS mounted on the front of the engine at about the 10:00 position next to the crankshaft pulley, the engine will refuse to start. So it's a good way to disable it while performing the compression test.
Thread Starter
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Freshman User
Joined: Nov 2006
Posts: 31
Likes: 0
From: Forks, on the coast Wa.
Thank you. I have just found out what the problem is or part of it by reading the forum on here I took the top off the fuel filter and it is full of black fuel and you rud your finger across it, it feels about like engine oil. So i assume injector o-rings. Now I need information on removing the injectors and draining the passage to keeping the fuel & oil out of the cylinders. Also is there any trick to getting the valve cover and injector out on the pass. side
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,111
From: Rio Rico, AZ.
You have the newer superduty type truck body?
I have a 99.5 and the valve covers, gaskets, injectors are easier done than it looks.
https://www.ford-trucks.com/forums/4...rs-are-in.html
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I have a 99.5 and the valve covers, gaskets, injectors are easier done than it looks.
https://www.ford-trucks.com/forums/4...rs-are-in.html
.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,111
From: Rio Rico, AZ.
That thread doesn't mention that the injectors are held down with one bolt and they come up out of the cylinder head with a little persuation provided by a ladyfoot prybar once the holddown is removed.
