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Old 03-11-2009, 06:12 AM
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when changing injector...

i know ive read alot of write ups and it says to soak up the oil out of the cylinder or what not......but i need to change my oil anyways so if i drain all the oil out will i be able to just install the injector without having to worry bout anything and fill the truck up with the new oil? I got really worried bout the job when i read a post and someone said that if it isnt soaked up or drained it can cause hydro locking of the engine....Help me out here techs
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Old 03-11-2009, 06:31 AM
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You can remove the glow plugs and turn engine over by hand and the fuel and oil will be pumped out of the gp holes. You do this after the new injectors are installed. You should not have to much if you take the plug out of the back of the head that drains off the fuel in the rail. And there is 3or4 oil plugs that drain the oil out of the rail as well. You do this before removing old injectors.
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Old 03-11-2009, 06:40 AM
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and if i already removed injector and didnt drain it.....then what?
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Old 03-11-2009, 06:43 AM
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You are going to have to pull the GPs and hand crank the motor it will push it all out the GP holes. You can also bump the motor with the key with the uvc unpluged and the GPs out.

Last edited by szyd; 03-11-2009 at 06:54 AM.
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Old 03-11-2009, 06:58 AM
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i just stuck an air nozzle down in the GP hole and blew the oil back out the injector sleeve.
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Old 03-11-2009, 08:26 AM
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put the injectors back in and take out the glow plugs. and you can crank the motor over by jumping the silanod on the fender
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Old 03-11-2009, 11:00 AM
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There are two 1/4" plugs under the valve cover that will drain most of the oil from the oil rail before you pull much of anything. They have Allen wrench heads but I don'r recall the size right now.

With an Allen socket on a short extension, tap it with a light hammer blow and they come out pretty easy.

It wouldn't hurt to have new o-rings for the plugs when re-installing.
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Old 03-11-2009, 11:04 AM
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Quote:
Originally Posted by guzzle View Post
There are two 1/4" plugs under the valve cover that will drain most of the oil from the oil rail before you pull much of anything. They have Allen wrench heads but I don'r recall the size right now.

With an Allen socket on a short extension, tap it with a light hammer blow and they come out pretty easy.

It wouldn't hurt to have new o-rings for the plugs when re-installing.
Ummm he already has the injectors out i believe
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Old 03-11-2009, 11:11 AM
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yea injectors already out and havent bout new one yet....really wish i wouldve read the write ups more before i decided to just take **** apart
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