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Author Topic: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?  (Read 8853 times)

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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 #255 on: 28 November 2018, 11:23:13 »

yes it is vital to form a good seal around the oil pump pick up part of the mating surface,
but do not use too much anywhere ,you need a seal but not get big snot balls of sealant getting in the oil ways

i just put a thin continuous bead on both surfaces  and smear it with my finger ,removing any excess  :y getting everything very clean ,including your smearing finger first (de-grease with brake clean)
also need a good seal when you put the exhaust back ,or you will suck air and get lambda codes ,eml etc  :y
 
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terry paget

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #256 on: 28 November 2018, 15:54:19 »

You are the old Astra expert, Dave. What oil should I put in tomorrow, TC5W/30, TC5W40, or TC10W40. Mileage is 110,000.
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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 #257 on: 28 November 2018, 16:05:13 »

I'm no expert ,just had lots of astras to fix and take care of  ;D
now you have removed the sludge ,using thinner oil should not cause your previous sludge blocking the pick up problem , and if it runs fine (not smoking,leaking past seals,low oil pressure light,etc then 5w30 should be ok  :y
I would use the TC 10w40 at 110k with 5k or yearly(which ever is soonest) oil and filter changes but that's just my opinion
open the question up to anyone who has an opinion  :y
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ajsphead

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #258 on: 29 November 2018, 07:47:47 »

Mine's still fine with 5W30 after 112K. I normally look for seepage, signs of heavy breathing and rattliness around the top end, then i'd change to 10W40. I'd stick with changes every 5K, I always flush mine every time as well and the magnetic pick up on the sump comes out clean as a whistle every time.

TC 10W40 might become harder to get over time but it's not a problem at the moment.
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terry paget

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #259 on: 29 November 2018, 09:22:00 »

Mine's still fine with 5W30 after 112K. I normally look for seepage, signs of heavy breathing and rattliness around the top end, then i'd change to 10W40. I'd stick with changes every 5K, I always flush mine every time as well and the magnetic pick up on the sump comes out clean as a whistle every time.

TC 10W40 might become harder to get over time but it's not a problem at the moment.
Indeed. Last time I thought I had bought 10W40 from Drive Vauxhall Philips March, when I got it home I found it was 5W40, and more expensive. I bought 20 litres of VTC 10W40 this week online for 47 delivered inc. VAT, much better.
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TheBoy

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #260 on: 29 November 2018, 18:02:43 »

I bought 20 litres of VTC 10W40 this week online for 47 delivered inc. VAT, much better.
That sounds too expensive for 10w40 semi, which should be about 24.99 delivered


Tunnie - yours was the last I got, do you still have invoice for oil?
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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 #261 on: 01 December 2018, 18:29:39 »

trouble is , many vaux dealers don't recognize trade club or even discount for cash  :(
but trade club 10w40 semi is only 38 delivered clicky not 47  :-\
for 48 clicky tou can get 5w-30 Fully Synthetic
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terry paget

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #262 on: 01 December 2018, 18:56:06 »

trouble is , many vaux dealers don't recognize trade club or even discount for cash  :(
but trade club 10w40 semi is only 38 delivered clicky not 47  :-\
for 48 clicky tou can get 5w-30 Fully Synthetic
My mistake, I paid 37.99, not 47, for 20 litres TC 10W40. Still more than TB's price though.
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TheBoy

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Re: Where is the OBD2 socket on a 2004 Astra 1.6 petrol?
« Reply #263 on: 02 December 2018, 09:14:09 »

trouble is , many vaux dealers don't recognize trade club or even discount for cash  :(
but trade club 10w40 semi is only 38 delivered clicky not 47  :-\
for 48 clicky tou can get 5w-30 Fully Synthetic
Not all dealers are on TC, but a lot more are than 3 or 4 years ago following a big TC shake up.

No big company will offer discount for cash now, as paying the clearing fee for a card is ultimately cheaper than having the hassles and costs of cash.  Small one man band places might, if you don't need receipts or for it to go through their books.
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