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Help No Oil Pressure After Rebuild


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#46 blacktulip

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Posted 06 September 2016 - 06:31 AM

It's the GLP139 pump

#47 Spider

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Posted 06 September 2016 - 07:43 AM

It's the GLP139 pump

 

Mmmmmmm,,,,,, this one, with the Alloy Back?

 

http://minispares.co...|Back to search



#48 blacktulip

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Posted 06 September 2016 - 08:21 AM


It's the GLP139 pump

 
Mmmmmmm,,,,,, this one, with the Alloy Back?
 
http://minispares.co...|Back to search
Yes that's the one

#49 Spider

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Posted 06 September 2016 - 08:49 AM

 

 

It's the GLP139 pump

 
Mmmmmmm,,,,,, this one, with the Alloy Back?
 
http://minispares.co...|Back to search
Yes that's the one

 

 

OK, cheers. Not great news on this.

 

Exhaust everything else that's been suggested first, however, these are not brilliant pumps. It may not be the problem you are having and if it turns out not to be the issue, I would strongly recommend replacing it if you have the engine out for some other reason.

 

The steel backed pumps are quite good, but just having a look now it seems that they are hard to come by for the small bore engines, it may come down to lashing out for an evo pump

 

http://minispares.co...|Back to search



#50 blacktulip

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Posted 06 September 2016 - 09:07 AM


 

 

It's the GLP139 pump

 
Mmmmmmm,,,,,, this one, with the Alloy Back?
 
http://minispares.co...|Back to search
Yes that's the one
 
 
OK, cheers. Not great news on this.
 
Exhaust everything else that's been suggested first, however, these are not brilliant pumps. It may not be the problem you are having and if it turns out not to be the issue, I would strongly recommend replacing it if you have the engine out for some other reason.
 
The steel backed pumps are quite good, but just having a look now it seems that they are hard to come by for the small bore engines, it may come down to lashing out for an evo pump
 
http://minispares.co...|Back to search
Thanks a lot for the advice. I will update you later thus evening.

#51 The Principal

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Posted 06 September 2016 - 02:42 PM

hopefully its not too serious, prime the pump as described its only a small hole so it takes a bit of time to get sufficient oil back into the pump. When your ready make sure the battery is fully charged, a point that has not been responded too was Nick's comment to remove all 4 plugs, take those out first. Spin it over for a good 30-45 seconds and you should get oil pressure. 


Edited by The Principal, 06 September 2016 - 02:43 PM.


#52 blacktulip

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Posted 06 September 2016 - 03:21 PM

hopefully its not too serious, prime the pump as described its only a small hole so it takes a bit of time to get sufficient oil back into the pump. When your ready make sure the battery is fully charged, a point that has not been responded too was Nick's comment to remove all 4 plugs, take those out first. Spin it over for a good 30-45 seconds and you should get oil pressure. 

When I took the plugs out and spun it over it sounded like an electric motor. I take it that's normal as there is nothing to compress?

#53 nicklouse

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Posted 06 September 2016 - 03:24 PM

yes.



#54 blacktulip

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Posted 06 September 2016 - 03:26 PM

So I will..

1. prime via the big banjo bolt.
2. Take plugs out.
3. Turn over fast with full battery.

Edited by blacktulip, 06 September 2016 - 03:30 PM.


#55 nicklouse

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Posted 06 September 2016 - 03:28 PM

when priming the pump make sure you know how many washers and bolts you undo.

 

should be 1 banjo bolt and 2 washers, one each side of the banjo.



#56 Cooperman

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Posted 06 September 2016 - 03:40 PM

I always have the battery fully charged and join it to another car's battery with some good quality jump leads.
Then I run the other car at around 1500 rpm. That way the new engine can be spun over at the best possible speed for quite a long time. I think the longest I have ever cranked to get initial pressure is about 1 minute.

#57 blacktulip

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Posted 06 September 2016 - 03:49 PM

It's pretty scarey when no plugs are in as it sounds like an electric motor lol

#58 nicklouse

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Posted 06 September 2016 - 03:51 PM

that is all it is.



#59 Spider

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Posted 06 September 2016 - 07:18 PM

You should also have the plugs out not only to turn it over faster and have the battery last longer, but most importantly, so you don't load the crank bearings.



#60 blacktulip

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Posted 07 September 2016 - 06:43 PM

Oil down the banjo hole, plugs out, full battery = oil pressure 😋 massive thanks to everyone who gave me great advice and keeping my chin up.




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