Author Topic: changing oil pump  (Read 7499 times)

Offline 1.8t.jim

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changing oil pump
« on: 08 September 2012, 22:36 »
is it a big job changing the oil pump on my mk4 gti AGU engine ? i no i have to remove the sump but i dont know how get the old pump off can somebody give me any advice :)

Offline peterg60

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Re: changing oil pump
« Reply #1 on: 08 September 2012, 22:39 »
once sump off oil pump is holded by 3 10mm bolts. the chain has a tensioner you can pull this back with your finger and remove the chain. just a heads up when taking sump of there are 2 tricky bolts by flywheel you will need 6mm hex ball key to get to them. i think its 6mm

this is what i used

http://www.ebay.co.uk/itm/180710929941?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
« Last Edit: 08 September 2012, 22:42 by peterg60 »

Offline 1.8t.jim

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Re: changing oil pump
« Reply #2 on: 09 September 2012, 09:43 »
thanks mate ive ordered that hex key set!  :smiley: is it worth replacing the sump cuz my sump has a few dents and scrapes some are patched up with steel paste, and what kind of sump sealant will i need ?

Offline Wazzzer

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Re: changing oil pump
« Reply #3 on: 09 September 2012, 10:03 »
sealant from VW


1999 1.8T: R-Tech remap - 225bhp/256lb/ft : K03s : THS FMIC : THS PCR pipe : 2.5" stainless exhaust : THS FR3 Engine mounts : G60/VR6 clutch : Calibra Yellow injectors : VR6 MAF : Devils Own WMI : Forge 007p : Carbonio CAI : Leon Cupra R Brembos : FK AK Street coilovers : Votex skirts : Anniversary front : click ---> http://www.golfgtiforum.co.uk/index.php?topic=92175

Offline 1.8t.jim

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Re: changing oil pump
« Reply #4 on: 09 September 2012, 10:05 »
just found it on ebay for £9 vw/skoda/seat sump sealant  :smiley:

Offline cobalt6700

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Re: changing oil pump
« Reply #5 on: 09 September 2012, 10:27 »
Please make sure you locktight the bolt for the oil pump gear.

Had one in the garage last week which had spun the bolt out on the motorway, the job had been done previously by soneone else about 3 months before.

That was new crank time as it wrecked the gear on the crank.

Just a heads up :)

1993 GTI 8v 5dr matt black and green - the 'sh!tball rally car'
1997 GTI 8v 3dr metalic black - the daily driver
2002 3DR 1.8T AUM silver - the new daily
1993 Jeep cherokee 4L - the weapon :D

Offline 1.8t.jim

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Re: changing oil pump
« Reply #6 on: 09 September 2012, 10:56 »
lock tight the gear? what is this lol please can you give me more info please  :smiley:

Offline cobalt6700

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Re: changing oil pump
« Reply #7 on: 09 September 2012, 11:36 »
The oil pump has a gear on it which is driven by a chain from the crank. The gear is bolted to the oil pump with one bolt, and that's the one you need to locktight up :)

1993 GTI 8v 5dr matt black and green - the 'sh!tball rally car'
1997 GTI 8v 3dr metalic black - the daily driver
2002 3DR 1.8T AUM silver - the new daily
1993 Jeep cherokee 4L - the weapon :D

Offline 1.8t.jim

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Re: changing oil pump
« Reply #8 on: 09 September 2012, 15:21 »
thanks mate got my oil pump off earlier and i now see what you mean :) its not as hard as i thought it would be after my sump came off noticed a huge crack at the bottom so im going change that now hopefully with new oil pump and sensor (which i hope is the right sensor ive took out aha) ontop of the oil cooler by the filter ? the car should run great then the next job is ko3s  :evil: