Pontiac GTO 2004-2006 The Modern Goat

Oil pump went out

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Old 07-27-2012, 01:37 PM
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Default Oil pump went out

Hey all,

Just thought I'd post up to see if anyone has had this issue in the past. Was doing some spirited driving and suddenly lost oil pressure and the check oil message came on. Shut the motor down and coast to the nearest exit. Checked the car out and saw no external evidence of anything. Decided to crank it up and listen for any noises. No noises at all. Then suddenly it shut off... Motor locked up. Probably not the best idea to restart it anyhow. Expensive lesson learned! TSP 418 ls3 short block is on order. Why not go bigger and better? All of my existing parts will be going back together with the exception of the oil pump, cam and all new gaskets.

Heres a few pics of the damaged pump...never seen anything quite like this. Was also hoping the motor would free up once pulling this guy off! Not so lucky..



Gotta pay to play sometimes.

Heres a video of her running her best time a few years ago before the head work. She done well.
Gto 6.93@100.4
Old 07-27-2012, 02:44 PM
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wowza, might be time to upgrade the pump just in case =-O dont' want this to happen to me!
Old 07-27-2012, 04:36 PM
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Oil pump failure is a very common problem with LS2 cars.

I've never seen one break like that though.
Old 07-27-2012, 04:49 PM
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Yikes, so what's the best alternative to stock? an LS6 pump?
Old 07-27-2012, 08:46 PM
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Originally Posted by GTOSE
Oil pump failure is a very common problem with LS2 cars.

I've never seen one break like that though.
really? any reason why?
Old 07-28-2012, 07:15 AM
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I feel your pain. Mine went out this spring. Seems to be an issue on out LS2s. Replaced mine with a Melling.
Old 07-28-2012, 07:25 PM
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Just thought of this. Since I cant get the crank to spin how and I am going to disconnect my torque converter from the flex plate so I can remove the motor?!! Help!
Old 08-01-2012, 11:06 PM
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Do I need to plug any holes in the valley area to disable the dod ports? Or is that on another motor? Also what are you guys doing to plug the ls3 dipstick hole? Maybe the builder will do these things for me...
Old 08-02-2012, 06:13 PM
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What is a good aftermarket pump? SLP? LS6 oil pump?
Old 08-07-2012, 02:06 AM
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The melling high pressure pump seems to be the way to go.
Old 08-13-2012, 12:56 AM
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I have the whole slp setup in my ls2. Oil pump and double roller timing chain
Old 08-21-2012, 04:43 PM
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mine went out too at 14k miles. I went with an LS6 pump. no problems since.



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