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Author Topic: How many thermostats?  (Read 2578 times)

Offline errorinside

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How many thermostats?
« on: January 06, 2015, 01:14:09 pm »
hi quick question , how many thermostats has a mk 5 golf gti ? , ive had the main one changed is there any others?
« Last Edit: January 06, 2015, 06:43:37 pm by GrayMK5GTI »
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Offline OEM+ DUB

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Re: mk5 golf gti
« Reply #1 on: January 06, 2015, 02:05:03 pm »
Yes there are:

 - Early 05 Manual GTI, 1 additional inline thermostat
 - Early 05 DSG GTI, 2 additional inline thermostats
 - Late 05 onwards Manual GTI, no additional inline thermostat
 - Late 05 onwards, DSG GTI, 1 additional inline thermostat

Hope this helps!
« Last Edit: January 07, 2015, 08:19:54 am by OEM+ DUB »
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Offline lukemk5gti

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Re: mk5 golf gti
« Reply #2 on: January 06, 2015, 02:35:21 pm »
Quote from: OEM+ DUB on January 06, 2015, 02:05:03 pm
Yes there are:

 - Manual GTI, 1 additional inline thermostat
 - DSG GTI, 2 additional inline thermostats

Hope this helps!

I replaced my main one which brings me up to 90 but it takes 20 - 30 mins to get there leading me to believe my inline one is gone.

I have a manual.

I don't suppose you know the part number for the inline one on the manual?
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Offline GrayMK5GTI

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Re: How many thermostats?
« Reply #3 on: January 06, 2015, 06:44:32 pm »
@errorinside I've renamed this topic to make it relevant to the question. Please can you label your threads better in future?
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Offline errorinside

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Re: How many thermostats?
« Reply #4 on: January 06, 2015, 06:59:36 pm »
Hi don't suppose you know where the other 2 are? Thanks
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Offline OSB

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Re: How many thermostats?
« Reply #5 on: January 06, 2015, 07:27:29 pm »
Just to complicate numbers a bit - I have a 55 plate DSG and there is only 1 inline thermostat on mine!
However, changing it was not too difficult and really speeded up the warm up - 2-3 miles to 90 instead of 5-6miles. Great in winter!
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Offline OSB

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Re: How many thermostats?
« Reply #6 on: January 06, 2015, 07:29:09 pm »
Also, I'm pretty sure ther is a 'How to do it guide' on here.
If not, its on Youtube...
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Offline v4rley

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Re: How many thermostats?
« Reply #7 on: January 06, 2015, 07:48:39 pm »
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Offline lukemk5gti

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Re: How many thermostats?
« Reply #8 on: January 07, 2015, 08:28:48 am »
Quote from: OSB on January 06, 2015, 07:27:29 pm
Just to complicate numbers a bit - I have a 55 plate DSG and there is only 1 inline thermostat on mine!
However, changing it was not too difficult and really speeded up the warm up - 2-3 miles to 90 instead of 5-6miles. Great in winter!

Do you think the inline thermo is in the same spot on manual and dsg?

I reckon I'll have a bash at mine. You wouldn't have a part number to hand?
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Offline OSB

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Re: How many thermostats?
« Reply #9 on: January 07, 2015, 05:50:44 pm »
Quote from: lukemk5gti on January 07, 2015, 08:28:48 am
Quote from: OSB on January 06, 2015, 07:27:29 pm
Just to complicate numbers a bit - I have a 55 plate DSG and there is only 1 inline thermostat on mine!
However, changing it was not too difficult and really speeded up the warm up - 2-3 miles to 90 instead of 5-6miles. Great in winter!

Do you think the inline thermo is in the same spot on manual and dsg?

I reckon I'll have a bash at mine. You wouldn't have a part number to hand?

I believe it is in the same place. R/H side of engine block, below the battery level. Its black, cylindrical and about 4"/100mm long.
The part number - and I believe they are all the same - 4EO 121 113.
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