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Mystery Bolt @ 5 oclock to the water pump pulley, what it is
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bartt59
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PostPosted: Thu Mar 24, 2011 7:01 pm    Post subject: Mystery Bolt @ 5 oclock to the water pump pulley, what it is Reply with quote

I have a GEX rebuilt 1.9 engine that has already plagued me with oil leaks at the oil pump plate due to incorrect studs and nuts being used by the GEX rebuilders. I have less than 100 miles on the engine and have discovered a mystery bolt is leaking oil. I want to remove it, apply sealant and reinsert it but am concerned it may be holding something inside the case. Can someone tell me if I'm ok to remove this bolt that sits @ 5 o'clock to the water pump pulley and just aft of the oil filter attachment boss ?


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bartt[/img]
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ALIKA T3
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PostPosted: Thu Mar 24, 2011 7:20 pm    Post subject: Reply with quote

I have no idea of what it is,but 100 miles on a rebuilt shit should still be warrantied...??

Good luck!
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bartt59
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PostPosted: Thu Mar 24, 2011 7:31 pm    Post subject: Reply with quote

Not aiming to start a GEX bashing thread. Just needing some insight. I'm dealing with them accordingly.
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PocketRocket
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PostPosted: Thu Mar 24, 2011 9:40 pm    Post subject: Reply with quote

newbe get had by GEX
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SyncroGhia
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PostPosted: Thu Mar 24, 2011 11:36 pm    Post subject: Reply with quote

If it's still under warrantee, I wouldn't touch anything, just take it back. Otherwise if something serious goes wrong, you may have invalidated the warantee.

MG
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Alaric.H
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PostPosted: Fri Mar 25, 2011 2:54 am    Post subject: Reply with quote

Post a picture.
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PostPosted: Fri Mar 25, 2011 3:31 am    Post subject: Reply with quote

......I think you are looking at a oil galley plug in the engine case. I am looking at a 1.9 here and this one has a press in plug. GEX maybe removed it and put in a screw in plug. Could easily turn into a big job but may be as simple as removing and resealing. If at all possible I would have GEX deal with it, although that could be a big job too.



Andrew-
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bartt59
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PostPosted: Fri Mar 25, 2011 4:01 pm    Post subject: Reply with quote

Apologies for not posting the pic in the first place. What was I thinking ? The mystery bolt is circled red. Thanks for your support and understanding on my being a GEX bonehead. I promise all of you the next engine I need will be built by TenCent or yours truly.
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bartt
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PocketRocket
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PostPosted: Fri Mar 25, 2011 5:08 pm    Post subject: Reply with quote

Its the main oil gallery front to rear all the 2.1s are drilled and tapped for a steel threaded sleeve for the oil sender. You may have one of the 2.1 blocks or they have drilled and tapped it as these do leak with the stock aluminum plugs I use allen plugs in all mine. The 2.1 steel threaded sleeve had a aluminum washer behind it.
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PocketRocket
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PostPosted: Fri Mar 25, 2011 5:11 pm    Post subject: Reply with quote

Does the oil pump cover have a rounded lip on it or is it just a flat pump cover. I never use the flat ones only the factory curved lip ones. as I have seen way to many of the flat ones leak.
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bartt59
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PostPosted: Fri Mar 25, 2011 5:24 pm    Post subject: Reply with quote

Flat plate. Have a look at the cheesy, hand cut studs and incorrect nuts. 2 were self locking. 2 were not. None were self sealing thus I had an oil leak before I started it the first time. I had to lower the engine to remove and replace them and found the top right stud and nut were stripped. Got pics of that beauty too.

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bartt
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PocketRocket
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PostPosted: Fri Mar 25, 2011 5:47 pm    Post subject: Reply with quote

Oil seal nuts should have red seal to the pump cover. I would look for a good cover and the 4 red seal nuts. Rocky
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bartt59
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PostPosted: Fri Mar 25, 2011 5:58 pm    Post subject: Reply with quote

Done and understood. GEX didn't understand.

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tencentlife
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PostPosted: Fri Mar 25, 2011 6:09 pm    Post subject: Reply with quote

Wow and look at that weldup on the suction galley end. How'd you miss that, RJ? Jeez, that case's been worked over.
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PocketRocket
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PostPosted: Sat Mar 26, 2011 9:46 am    Post subject: Reply with quote

Once its been welded now it has to be machined so one can pull the plug drill and tap for a threaded plug. Gotta luv those GEX engines. This is what we can see on the outside wonder that we can't SEE on the inside ?????
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tencentlife
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PostPosted: Sat Mar 26, 2011 10:00 am    Post subject: Reply with quote

Yeah you gotta wonder.

Bartt, we can tell which case you have and by that which crank bearing type if you look at the case serial number below the breather tower:

DH is a 1.9 so it has the old-style crank bearings, that would mean your mystery bolt/plug was a mod GEX probably did.

MV is the newer, hugely improved bearing system, and that galley hole would have been already threaded so they just put a plug in it since your van won't need the second oil pressure switch.

In either case you can safely remove the plug you circled in red and reseal it, it's just plugging the galley drilling, not holding anything together.
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PostPosted: Sat Mar 26, 2011 4:02 pm    Post subject: Reply with quote

TC,
It's an MV style case. Can you elaborate on the benefits of this over the DH ?

Thanks,
bartt
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PostPosted: Sat Mar 26, 2011 4:37 pm    Post subject: Reply with quote

10 cent may be on the road. So I will give you my 9 cents worth. The best part of a MV block is the rear thrust with the two floater thrust shims its light years better than the old bug style thrust brg.used in the DH blocks. All three of the load brgs.1,2,& 3 are steel backed. In all of the Drag Race engines (101.6 bore) I build the MV block is the one I use. On the plug (Red circle) again that should have the factory steel hex insert with copper washer that came in the MV blocks as it is metric thread 16 x 1.5. You mite be able to find a bolt that size but, I would put a 1/8 npt plug in the steel sender hex insert that was in the MV block. Hope this helps. Rocky www.rockyjennings.com
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