HOW TO FIX HEATED SEAT AND REPLACE SEAT COVER ASTRA J

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..............STEP SIX.............

Next Remove the Two Screws From the Seat Heating Control Module 

Then Remove Four 8mm Bolts that Hold the Seat Extension in place

Then you can Remove the Seat Cushion From the Frame.

......STEP EIGHT......

Remove the Seat Cover from the Cushion.

Turn the Cushion over and you will see 3 Bars with Hog Rings on them Remove these Rings 

IMPORTANT ALL THE HOG RINGS ON THE CUSHION NEED TO BE CUT OFF NOT PULLED OFF

THE METAL FRAME THEY ARE ATTACHED TO IS SET IN THE FOAM AND OVER PULLING THE RINGS WILL RUIN THE SEAT.

Next turn the Cushion over Start at the Back Lift the Cover up and you will see more Hog Rings on a Bar

again Cut the Rings off and the move to Each Side of the Cover and Cut more Hog Rings from the Sides

then you will see the Center Bar again Remove the Hog Rings

 after that again Remove the Remainder of the Hog Rings from Each Side.

........STEP NINE......

Remove the Remainder of the Cover from the Seat Extension

Start at the Side and Work your Way Around 

You have now Removed the Seat Cover and you are Ready to Replace the Seat Heater Mat.

....STEP TEN.....

Seat Heating Mat Replacement 

The Seat Heating Mat Costs £88.50 and the Part Number you will Need is

 

GM 13257326.

Start to Gently Peel the old Heater Mat from the Foam

Take your Time and Try Not To Ruin the Foam 

After you have Removed the old Heater Mat 

start to Add the New Heater Mat by Removing the Backing Tape 

and Sticking the New Pad in Place. 

.....STEP ELEVEN......

REFIT THE SEAT COVER.

Start with the Seat Extension First and Reattach the Cover 

Then move on to the Front Hog Bar you can use Hog Rings if you wish but you will need a Special Tool

As i Do not have one i have use Zip Ties But keep the cut ends facing down not up

Again WARNING Take Care with the Metal Bars in the Foam Do Not Pull on Them to Hard 

Start at the Front Bar Then the Sides Then the Middle Bar and then The Sides and Then the Rear Bar

You can then Pull the Cover over the Foam and Start to Refit the Seat Cushion to the Seat.

And that is it all Done This may Seem like alot of Work but this is the Fix

To get the Seat Heating to stop Cutting Out if your Car is under Warranty then Take it Back and Keep on at Them

To get it Fixed as this is a Know Fault.

This Cost Around £120 to Fix if you Tackle it Yourself

And This is Well Worth the Effort as Vauxhall Dealers Charge £120 just to Change the Connector

And Anywhere up to £400 to Change the Seat Heating Mat

Simply Swapping the Seat over to Solve this Problem may not be the answer

As this is a Very Common Fault and the other Seat may Have the Same Problem

This is a Common Fault Across the Range and Effects the Astra j, Insignia and Moka

Hope this will help someone out there.

AS WITH ALL ELECTRICAL HOW TOO,S. 
you do this at your own risk if you follow the how to correctly 
there should be no problems thank you.