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Common A/C leak points
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discostick
 


Member Since: 08 Nov 2012
Location: Kent
Posts: 317

United Kingdom 2005 Discovery 3 TDV6 S Manual Bonatti GreyDiscovery 3

Tested mine today after it lost all its charge over the winter.

Nitrogen test, lost 3 bar in 2 hours.

Sprayed soapy water over everything, good soaking, found 2 leaks on condenser.

Viewed from front of car, lower left and upper left area.

New condenser on order. Then need to find a reasonably priced re-fill service.


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 New Engine - Fitted with body on...

Developer of the FBH Smart Control Module - Keyfob 3rd button control + USB Diagnostics + remote status LED + priming + battery protection + water temp control setpoint (or fixed run time)

Group Buy: www.disco3.co.uk/forum/post1405044.html#1405044
Downloads: www.dropbox.com/sh/swqlepn6jdb7g5l/AAD5avF_KIexlhlQf4--kysZa?dl=0
FBH not Starting?: www.disco3.co.uk/forum/fixed-webasto-fbh-105563.html
E: d3discostick@gmail.com 
 
Post #23725776th Jul 2024 5:07 pm
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C.French145
 


Member Since: 14 May 2023
Location: South Lanarkshire, Scotland
Posts: 112

Scotland 2015 Discovery 4 3.0 SDV6 HSE Lux Auto Mariana BlackDiscovery 4

Oh dear. Is it a big job to replace?

I found a connection on the bottom o/s with a leak. Only just sorted my rear pipes.


Click image to enlarge
 Craig.


~~~~~~~~~~~~~~~~~~

Current -
Discovery 4, 2015 HSE Lux. SDV6.
Previous -
D2 2003 TD5.
110 1997 300tdi. 
 
Post #23725826th Jul 2024 6:26 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10684

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Link to a guide on here.

https://www.rrsport.co.uk/forum/topic62413.html
  
Post #23725846th Jul 2024 6:30 pm
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discostick
 


Member Since: 08 Nov 2012
Location: Kent
Posts: 317

United Kingdom 2005 Discovery 3 TDV6 S Manual Bonatti GreyDiscovery 3

This guide looked a lot simpler. 2-3 hours. No need to remove bumper or take the body off the chasis Laughing

https://www.disco3.co.uk/forum/air-con-con...er+replace

I also went for the Nissens brand. £120.
 New Engine - Fitted with body on...

Developer of the FBH Smart Control Module - Keyfob 3rd button control + USB Diagnostics + remote status LED + priming + battery protection + water temp control setpoint (or fixed run time)

Group Buy: www.disco3.co.uk/forum/post1405044.html#1405044
Downloads: www.dropbox.com/sh/swqlepn6jdb7g5l/AAD5avF_KIexlhlQf4--kysZa?dl=0
FBH not Starting?: www.disco3.co.uk/forum/fixed-webasto-fbh-105563.html
E: d3discostick@gmail.com 
 
Post #23725886th Jul 2024 6:54 pm
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C.French145
 


Member Since: 14 May 2023
Location: South Lanarkshire, Scotland
Posts: 112

Scotland 2015 Discovery 4 3.0 SDV6 HSE Lux Auto Mariana BlackDiscovery 4

Would I be able to tighten the bottom of the dryer? It seems to have weeped out overtime. Or is it a new one?
 Craig.


~~~~~~~~~~~~~~~~~~

Current -
Discovery 4, 2015 HSE Lux. SDV6.
Previous -
D2 2003 TD5.
110 1997 300tdi. 
 
Post #23725896th Jul 2024 7:04 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10684

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

New one
  
Post #23725936th Jul 2024 8:10 pm
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DN
D3 Decade 


Member Since: 23 Jun 2006
Location: W.London.
Posts: 2345

Ukraine 2006 Discovery 3 TDV6 Base 7 Seat Auto Zambezi SilverDiscovery 3

Be aware, that I and others discovered, that at least 1 of the 2 ‘O’ rings supplied with the Nissens condenser was not the right size.
 D3 owned from new, P017 brake recall, BAS FBHIC, new FBH, LR013487 oil pump, new water pump. RRS front lower suspension arms. New suspension compressor/ relay. New Denso alternator. CuNifer rear brake pipes. New GKN rear propshaft. New HPFP belt & tensioner. New A/C Condenser.NO WARRANTY for many many years. 

Last edited by DN on 6th Jul 2024 10:42 pm. Edited 1 time in total 
Post #23725976th Jul 2024 8:19 pm
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discostick
 


Member Since: 08 Nov 2012
Location: Kent
Posts: 317

United Kingdom 2005 Discovery 3 TDV6 S Manual Bonatti GreyDiscovery 3

Thank you, i will watch out for that.
 New Engine - Fitted with body on...

Developer of the FBH Smart Control Module - Keyfob 3rd button control + USB Diagnostics + remote status LED + priming + battery protection + water temp control setpoint (or fixed run time)

Group Buy: www.disco3.co.uk/forum/post1405044.html#1405044
Downloads: www.dropbox.com/sh/swqlepn6jdb7g5l/AAD5avF_KIexlhlQf4--kysZa?dl=0
FBH not Starting?: www.disco3.co.uk/forum/fixed-webasto-fbh-105563.html
E: d3discostick@gmail.com 
 
Post #23726066th Jul 2024 10:33 pm
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discostick
 


Member Since: 08 Nov 2012
Location: Kent
Posts: 317

United Kingdom 2005 Discovery 3 TDV6 S Manual Bonatti GreyDiscovery 3

Just changed it out. Not bad at all. The two T40 bolts that are positioned on their own were very corroded in, as many suggest. A good soak with deblock oil (the best i've found for seized bolts by far) and careful loosen-tighten-loosen sequences and they came out fine, but were Very tight.

THe O-rings with the unit were not correct, i purchased new seals by the LR PN#. Althought the originals looked in fine condition.

Other than that, a nice easy job, new condenser on pressure test now. Re-gas booked in for next week, a mobile guy came recommended (Kent-Sussex area) for £45, which is great.
 New Engine - Fitted with body on...

Developer of the FBH Smart Control Module - Keyfob 3rd button control + USB Diagnostics + remote status LED + priming + battery protection + water temp control setpoint (or fixed run time)

Group Buy: www.disco3.co.uk/forum/post1405044.html#1405044
Downloads: www.dropbox.com/sh/swqlepn6jdb7g5l/AAD5avF_KIexlhlQf4--kysZa?dl=0
FBH not Starting?: www.disco3.co.uk/forum/fixed-webasto-fbh-105563.html
E: d3discostick@gmail.com 
 
Post #237301411th Jul 2024 6:33 pm
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C.French145
 


Member Since: 14 May 2023
Location: South Lanarkshire, Scotland
Posts: 112

Scotland 2015 Discovery 4 3.0 SDV6 HSE Lux Auto Mariana BlackDiscovery 4

Great work!

I have my new condenser ready to go. Just need the time to de-gas, fit, then re-gas… But im off to Shropshire in the Disco and roof tent tomorrow.

The step by step guide looks great. I assume not much different to a D4?

Thanks for the heads up on the t40!!! I think I’ll order some of that debolt oil.

🙂
 Craig.


~~~~~~~~~~~~~~~~~~

Current -
Discovery 4, 2015 HSE Lux. SDV6.
Previous -
D2 2003 TD5.
110 1997 300tdi. 
 
Post #237302211th Jul 2024 8:05 pm
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Disco-Jim
 


Member Since: 01 Mar 2024
Location: Wisbech
Posts: 71

United Kingdom 2006 Discovery 3 TDV6 Base 7 Seat Manual Bonatti GreyDiscovery 3

I did my condenser on my D3 a couple of days ago. Drivers t40’s came out ok. Passenger side however I had to work them in and out very gently a tiny amount to get them to move. Even then I sheared off the T40 but I was using! Ended up using the impact one I had on a long handled ratchet.

The bottom two rails fell off my condenser so god knows how long it’s not had gas in for Crying or Very sad
  
Post #237302411th Jul 2024 8:36 pm
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