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Model specific boards => Golf mk4 => Topic started by: rheady on 02 March 2009, 10:28

Title: Throttle body clean
Post by: rheady on 02 March 2009, 10:28
Just a quick question, when you diconnect the battery do you take off the positive first or the negative?
Title: Re: Throttle body clean
Post by: Wayne on 02 March 2009, 10:40
Just a quick question, when you diconnect the battery do you take off the positive first or the negative?

I always remove the positive first.
Title: Re: Throttle body clean
Post by: dai-cymru on 02 March 2009, 11:09
Just a quick question, when you diconnect the battery do you take off the positive first or the negative?

I always remove the positive first.

negative first you dont get a spark

Removal 1) Negative 2) Positive

reconecting 1) positive 2) negative
Title: Re: Throttle body clean
Post by: Wayne on 02 March 2009, 11:25
Just a quick question, when you diconnect the battery do you take off the positive first or the negative?

I always remove the positive first.

negative first you dont get a spark

Removal 1) Negative 2) Positive

reconecting 1) positive 2) negative

I was always told at college to leave the negative lead connected as that way it keeps the earth and could avoid damage but he was wrong it seems.
Title: Re: Throttle body clean
Post by: dai-cymru on 02 March 2009, 11:43
Just a quick question, when you diconnect the battery do you take off the positive first or the negative?

I always remove the positive first.

negative first you dont get a spark

Removal 1) Negative 2) Positive

reconecting 1) positive 2) negative

I was always told at college to leave the negative lead connected as that way it keeps the earth and could avoid damage but he was wrong it seems.


yeah if you leave earth connected you still have a circuit so when un bolting the postive clamp for example, if you touched your spanner or the postive lead on any part of the body/chassis you will get pos/neg cross and some nice sparks  :laugh: :laugh:
Title: Re: Throttle body clean
Post by: northeast_gti-t on 02 March 2009, 12:58
Just a quick question, when you diconnect the battery do you take off the positive first or the negative?

I always remove the positive first.

negative first you dont get a spark

Removal 1) Negative 2) Positive

reconecting 1) positive 2) negative
as dai says  :wink: thats what i was taught many years ago at college  :laugh:
Title: Re: Throttle body clean
Post by: jonnyturbo on 02 March 2009, 16:00
lol yup many moons ago matt lol :evil:
Title: Re: Throttle body clean
Post by: richw911 on 02 March 2009, 18:48
Also check to see if you have a fault code after disconnecting the battery as it will sometimes store one  :nerd:
Title: Re: Throttle body clean
Post by: bobbarley on 02 March 2009, 18:51
I just pull off whichever connection I'm closest to at the time!!  I only remove one as well!  :grin:
Title: Re: Throttle body clean
Post by: rheady on 03 March 2009, 21:34
thanks for the replies, just put my mind at rest.
Title: Re: Throttle body clean
Post by: tariqb on 04 March 2009, 01:45
yes this might help:

leaves nothing to the imagination!

http://www.carbatteryshop.co.uk/howtochangeacarbattery.php :cool:
Title: Re: Throttle body clean
Post by: dai-cymru on 04 March 2009, 11:30
Yep just dont put grease on the terminals as VW dont recommend it (even though most other companies do.)