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Premium Member
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510 Posts
Discussion Starter #1
Hi. I have had a small loss of coolant for a while but yesterday i had a pool of coolant in the passenger footwell. I know its coolant because its red! I suspect the heater matrix has sprung a leak. My car is fitted with air con. Has anyone tackled a matrix replacement on a zaffy with air con? How easy or difficult is it to do?
 

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VXON Resident 4x4 and diesel specialist
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7,524 Posts
can not be that bad only 2 hours 60 on autodata plus parts
 

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Premium Member
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510 Posts
Discussion Starter #3
Thanks but i was looking for someone who has done the job so i know whats involved. The Haynes Manual as usual over complicates things
 

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Premium Member
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510 Posts
Discussion Starter #4
I thought I would add an update to my heater problem. I have now taken out the centre console and covers under the dashboard to expose heater assembly.
If you have a Zaffy with air con you will need to remove the air con drain from the engine bay. It sits next to the gear stick rod. You will not be able to remove
the heater housing lower cover until you do. Once that is removed you can get to the matrix. I spoke to my friendly Vauxhall parts chap and he assures me the
leak will be from the plastic connector between the pipes and the matrix. I hope it is coz a matrix is £150 and the connector is £30. I will keep this thread updated
as I progress.
 

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Premium Member
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510 Posts
Discussion Starter #5
I took the car to a local garage. they started the job and then abandoned it with the matrix out. They told me there was wear in the connectors and the seals would not hold. They gave me all the parts back including the new connector for the matrix. they put a bypass hose on to get me home. I have looked at the matrix and the new connector and cannot see what they are going on about. Back to plan A and when I get the time I will do the job.
 

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Premium Member
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Discussion Starter #6
I have just installed the matrix and honestly cannot see what the problem was. Yes the clips are a bugger to put in mostly due to restricted access but with the right approach and the right tools they went in. I just need to take the coolant hose off bypass and replace the original hoses and see if the leak has gone. BTW make sure all the seals are coated with a liberal amount of silicone grease :)
 
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