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Author Topic: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?  (Read 9719 times)

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terry paget

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #240 on: 25 November 2018, 15:13:20 »

Thanks Dave. Plug is off now.
Sump does not look too bad.

Strainer appears to be built into the plastic sump top, and looks well blocked.

Crank looks clean enough.

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terry paget

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #241 on: 25 November 2018, 15:33:31 »

Strainer

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dave the builder

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #242 on: 25 November 2018, 16:15:04 »

Thanks Dave. Plug is off now.
Sump does not look too bad.

Crank looks clean enough.

is that a rag stuffed in the oil pump ? far right top
looks like everything needs a good clean before sticking it back together  ;D
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terry paget

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #243 on: 25 November 2018, 17:49:50 »

I had not noticed that. It's not a rag stuffed there by me. I began to clean the sump and the baffle plate. then it got dark. The car drove home well enough from Ringwood on Tuesday, so I hope it will give useful service. I have not inspected the bottom of the block, just photographed it. I have ordered the sump gasket goo, a new cat to downpipe gasket, and some proper 10W40 oil.

Unlike the 04 Astra, this engine does not have a proper strainer. There is a cast in pipe from the bottom of the sump to the oil pump hole, and the baffle plate is shaped at the bottom so that it restricts input to the pump pipe.
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Andy H

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #244 on: 25 November 2018, 23:20:08 »

Thanks Dave. Plug is off now.
Sump does not look too bad.

Crank looks clean enough.

is that a rag stuffed in the oil pump ? far right top
looks like everything needs a good clean before sticking it back together  ;D
It looks as though it is a plastic strainer with a grid of square holes moulded into it to me :-\
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terry paget

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #245 on: 26 November 2018, 09:02:30 »

Thanks Dave. Plug is off now.
Sump does not look too bad.

Crank looks clean enough.

is that a rag stuffed in the oil pump ? far right top
looks like everything needs a good clean before sticking it back together  ;D
It looks as though it is a plastic strainer with a grid of square holes moulded into it to me :-\
Dead right, Andy. I can see it on enlarging the original photo, I am impressed you can see it on my 25% posting. It doesn't look blocked, either. It clearly came adrift as I dropped the sump.
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terry paget

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #246 on: 26 November 2018, 14:10:33 »

And here it is, cleaned up.It sits in a recess in the sump.

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dave the builder

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #247 on: 26 November 2018, 16:10:04 »

I'm blind without the right glasses on  :-[
i just noticed something there that didn't look right  ;D
keep up the good work  :y
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Nick W

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #248 on: 26 November 2018, 17:30:17 »

And here it is, cleaned up.It sits in a recess in the sump.



Modern equivalent of the mesh strainer on a traditional pickup
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terry paget

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #249 on: 26 November 2018, 22:44:11 »

chistopherjohn, ebay vendor of the  GM gasket compound, tells me he has stock but it's beyond use by date, hence his cancelling my order. As Nick says, any old gasket compound should be able to contains hot sump oil under virtually no pressure. In the morning I shall pop down to Halfords to buy a 7 tube of Loctite 5980. I want to get on with this job.
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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #250 on: 27 November 2018, 17:07:25 »

chistopherjohn, ebay vendor of the  GM gasket compound, tells me he has stock but it's beyond use by date, hence his cancelling my order. As Nick says, any old gasket compound should be able to contains hot sump oil under virtually no pressure. In the morning I shall pop down to Halfords to buy a 7 tube of Loctite 5980. I want to get on with this job.
An ebay seller making excuses not to send what your ordered? Surely not.

FFS, ebay is full of wannabes without the capability or backing to be as useful as a used condom smeared in dogshite.  The place is best avoided at all costs.
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terry paget

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #251 on: 27 November 2018, 22:08:24 »

Today I refitted the sump, having applied Loctite 5990 to the sump sealing surface. I did not apply any to he bottom of the block. I see in Haynes he recommends applying sealant to the oil pump and main bearing caps before the sump is refitted. Does this matter? Should I dismantle again and do it?
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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #252 on: 27 November 2018, 22:09:31 »

The oil pick up casting might have been prudent...
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terry paget

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #253 on: 27 November 2018, 23:17:10 »

The oil pick up casting might have been prudent...
Thanks. I recall Dave the Builder stating that the oil pump sucks oil up from the sump, so if the seal between sump and pump input is not good then pump can suck air, not oil. I could not see the point of sealant around the main bering cap joints though.
I'll do it again.
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Kevin Wood

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #254 on: 28 November 2018, 00:01:25 »

The oil pick up casting might have been prudent...
Thanks. I recall Dave the Builder stating that the oil pump sucks oil up from the sump, so if the seal between sump and pump input is not good then pump can suck air, not oil. I could not see the point of sealant around the main bering cap joints though.
I'll do it again.
I think they are talking about the gaps in the gasket surface where the oil pump meets the block, and where the extended section of the rear bearing cap which holds the rear crank seal meets the block.

Obviously there's no requirement for sealant on the other main bearing caps.
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