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Discussion Starter #1
Hi All,

I've a Volvo V40 D2 ES 2015 of whjch is currently blowing cold air in the cabin and is overheating when i go above 30mph or more than 2 miles! I have no tempreature guage, rather i get Hazard 'Engine Tempreature High, Reduce Speed' or an Order 'Engine Tempreature High, Stop Slowly'.

The coolant tank is full and overflowing (has not be topped up).

Please can you guys advise, i'm leaning towards a thermostat valve issue, which i fear will be quite pricey.
 

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That sounds like the thermostat or
An airlock in the system, this can happen after the system has been refilled at a service for example.
If the coolant is milkshake frothy that would indicate head gasket
 

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Hi All,

I've a Volvo V40 D2 ES 2015 of whjch is currently blowing cold air in the cabin and is overheating when i go above 30mph or more than 2 miles! I have no tempreature guage, rather i get Hazard 'Engine Tempreature High, Reduce Speed' or an Order 'Engine Tempreature High, Stop Slowly'.

The coolant tank is full and overflowing (has not be topped up).

Please can you guys advise, i'm leaning towards a thermostat valve issue, which i fear will be quite pricey.
 

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Could be the cylinder head gasket !!
Have you noticed any white smoke/steam coming from the exhaust ?
 

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Discussion Starter #7
Could be the cylinder head gasket !!
Have you noticed any white smoke/steam coming from the exhaust ?
Winner! :((((
Volvo have run the chemical test and have indicated it is likely the head has gone. But they’re not sure, it’s going to cost circa £1800 to fix, as long as it is the head... (not sure what other damage may have been done by the head warping).
 

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D2? is that the old Ford/Ciroen derived 1.6 or the newer Volvo 2.0.
If it's the newer one you might get a goodwill contribution.
 

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Winner! :((((
Volvo have run the chemical test and have indicated it is likely the head has gone. But they’re not sure, it’s going to cost circa £1800 to fix, as long as it is the head... (not sure what other damage may have been done by the head warping).
If you're out of any warranty you may find another garage rather than the Volvo dealer will be cheaper. If it's a D2 1.6 they can also have cracked blocks requiring a new engine. there are several posts on here on this subject Volvo dealer rates will make that option prohibitive.
 

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Hello ,
thermostat cost should be over 250 to a specialist
D2? is that the old Ford/Ciroen derived 1.6 or the newer Volvo 2.0.
If it's the newer one you might get a goodwill contribution.
How much did they charge for the diagnostic test if you dont mind?Was quoted 150 and told they wouldn’t contribute towards head gasket or engine replacement cause the car didn’t have full service history???
 

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Not sure what 'specialist' you mean, but a thermostat for the D2 costs around 30 euros. Is it that difficult to replace?
It costed me around 60 euros to have it replaced on my Audi several years ago.
 

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Hello ,
thermostat cost should be over 250 to a specialist

How much did they charge for the diagnostic test if you dont mind?Was quoted 150 and told they wouldn’t contribute towards head gasket or engine replacement cause the car didn’t have full service history???
£150 to ' diagnose ' an inherent problem they probably see all the time. Good old analogue common sense diagnosis would spot that. they're trying it on. Try somewhere else.
 

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Discussion Starter #15
I’m going ahead with them replacing the head gasket next week as they don’t know if it’s done more damage than just blowing the head gasket. The inspection charge and ‘chemical test’ charge was £85 from the dealer
Hello ,
thermostat cost should be over 250 to a specialist

How much did they charge for the diagnostic test if you dont mind?Was quoted 150 and told they wouldn’t contribute towards head gasket or engine replacement cause the car didn’t have full service history???
 

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Not sure what 'specialist' you mean, but a thermostat for the D2 costs around 30 euros. Is it that difficult to replace?
It costed me around 60 euros to have it replaced on my Audi several years ago.
Thermostat with it’s housing plus flushing of the system, new volvo green coolant and one hour’s labour costed me around 250 and that wasn’t at the dealer , it would have been higher than that had i gone to the dealership.
Anyway thermostat replacement took away the symptoms of low coolant level to my car but not for much longer than 6 months. Funny enough I thought i had the problem solved and thought that was the wisest £250 ever spent but problem came back to stay with me.
My main concern is that if i want to inspect head gasket and engine block that will cost me a few more hundreds in labour as any combustion/sniff test won’t pick up the problem.
Thanks Volvo for the brilliant idea to supply your cars with a PSA engine, you have made my life more adventurous!
 

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That guy probably put some extra stuff, like head gasket leak blocker, in the coolant to fix the problem for a few months, and he ripped you off, because all that is really not worth 250 !
 

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Discussion Starter #18
guess we’re gonna find this out next week! Praying it’s just blown the gasket. Bit on an ancedote from the dealer when they looked at it - blew the 4 radiator hoses off it
If you're out of any warranty you may find another garage rather than the Volvo dealer will be cheaper. If it's a D2 1.6 they can also have cracked blocks requiring a new engine. there are several posts on here on this subject Volvo dealer rates will make that option prohibitive.
 

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Thanks Volvo for the brilliant idea to supply your cars with a PSA engine, you have made my life more adventurous!
yep, that's the one. ive had Vauxhalls for 3 decades, and finally said never again, seriously wish id looked harder and spotted the FO MO CO stamps all over the V40 components, id have bought one of those new Civics.....
 

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On a positive note, the Ford suspension, handling and brakes does make the V40 fun to drive. Not like the old Volvo barges.
That PSA 1.6 is even in the older BMW minis, causing havoc with them too.
 
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