Hi everyone from Australia!

Hope your all well and keeping busy with your Astra's, I know I am.

I'm here looking for info on the crankcase ventilation of my GTC. I have serious a vacuum in my crankcase/head causing bad whining or squealing when the car is warm.
Its definitely the vacuum causing the squealing as when I remove the dipstick or oil cap it stops dead.
I'm thinking a PCV valve is causing this but im unsure on how the system works on these cars.

On the camshaft cover is a pi

Hi all

I'm purchasing a 2014 GTC CDTI on Monday and upon testing the bluetooth it only has functionality for phone calls and not to play audio. The Stereo is a CD400+ I believe.

How would I go about upgrading this to play bluetooth audio and be able to use the steering wheel controls with this? I'm not after a new unit for navigation/parking cameras or a nice touch screen etc. Just want to be able to play BT audio and use the wheel controls with it on the same unit I have now. 

I'm also

Hey all, 

just bought a 2L GTC, and its fab, 42k miles, 7 years old, was a Cat D, but has full Mots (all passed but had a few advisories here and there) going back 6 years and well.... I got it for a pretty cheap price so despite the issues I'm a happy bunny

So the good - Drives wonderfully, and the Dab/stereo is fantastic and looks pretty lovely too (white).

But, the issues

No parking sensors - have a "service parking sensor" warning

No Cruise control

and no air con.

Now th

Hello,

The cars 3 years old now and has started making a strange sound from the front wheel when turning to the right. Its like a grinding noise. It started about a month after the front brake disc & pads where changed. 
It is most noticeable at low speed and happens when going forward or in reverse. 

When I first got the car i took it back to the dealer as at speeds of around 40MPH and above there was a wining sound, only noticable when the windows are open. They couldn't find a problem

Ive refurbed alloys in the past using a dremel, varying git sandpaper, filler, primer, paint and clear coats. Generally it has turned out well. 

I plan to try to do the same to my GTC limited edition alloys soon. Originally I thought they where diamond cut due to the coloring and texture, but at closer inspection and a bit of sanding I believe them to be painted. 

Example wheels
[url=https://images.clickdealer.co.uk/vehicles/2431/2431532/full/43810321.jpg]https://images.clickdealer.co.uk/

Hi All,

I just picked up my 2016 GTC Limited Edition 1.6CDTI yesterday but have a few questions around headlights. The more I look online the more confused I get, does the 16-17 Limited Ed have different headlights from the previous models as it looks like the same bulb is used for both high beam and dipped?

I can hear a mechanical noise coming from the headlights when flicking from high to low beam. 

I plan to order these [url=https://www.hids-direct.co.uk/580-w21-5w-canbus-7-smd-3030-

Hi all,

I have just picked up my 2016 GTC limited edition 1.6CDTI and have a few questions.

Did this model of GTC come from the factory with lower suspension if so how many mm is it dropped by compared to other models?

I have the 20" alloys and feel it sits a little too high but don't want to wreck the ride by lowering it by too much if I decide to lower it. What springs would most people recommend?

Would springs from a VXR fit as it looks to sit the perfect hight? 

Another proble

Hi,

I dont have a great understanding of cars but own an Astra GTC 1.4T 2013 and want to change my DRL's to white bulbs as I have purchased white headlight bulbs. Having looked over the forum at some very detailed threads regarding bulbs it has left me quite confused. 

I have read on some that the GTC has a system called Canbus and that DRL's are on this system which could cause error codes but then on other threads that the GTC DRL's arent on this system. I was wondering if anyone could c

Hi Everyone

Sorry if this is posted in the wrong folder but I could really do with some advice about the horn on my 2016 GTC. Over the winter it started to work intermittently and, as it is getting worse (sometimes it works but mostly not) with an upcoming MOT in November I have decided to replace it. I have managed to get a replacement horn unit from ebay complete with mounting bracket. I have a copy of the GTC manual which seems to indicate that I need to remove the front bumper unit to get

Hi everyone,

Going to take the plunge for my first remap on a car.

Wanted to stick to either Rabbid or Courtney remap.

Spoke to them all and have decided to go for a Rabbid tune (now the tuning society).

They have outsources thier software to many companies.

WG in Kent and Wayside in Coventry.

Seems as Wayside is nearest I have decided to go with them! (Chirs)

£349 in total if anyone wants to get it done.

Just wondering if anyone has every had it done on the A20 DTH on th