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  1. Bleeding cooling system after bypassing heater core.

    Range Rover Mark II / P38
    I have a 97 P38 4.6 and recently notice the coolant level dropping and discovered a leak on the O rings to the heater core. I've now bypassed the heater core till I have time to struggle with replacing the O rings. I had minimal coolant loss when installing the 'U' pipe. I have bled the cooling...
  2. Heater Core O-Rings!!!!

    Range Rover Mark II / P38
    So after spending two hours last night taking my dash apart, multiple sessions with a dremmel tool, a few choice words I finally got to the offending O-Rings! Now all I have to do is change them out, buy some glue and duct tape for my dash and heat vents and I'll be good to go... I have to...
  3. heater core replacement

    Range Rover Mark III / L322
    I have reason to believe my heater core needs to be replaced. Driver's side vents do not provide heat but the passenger side vents do. Coolant level became low without any other explanation. I have read conflicting posts regarding heater core replacement in the L322 as a DIY. I'm thinking...
  4. AUDI A6 Heater Core, Plastic Tanks OK?

    Range Rover Mark II / P38
    Hi I ordered from Amazon what was listed as Vista Pro 399910 Heater Core, the picture showed a core with soldered copper tanks which is what I wanted. When the core arrived today it has plastic tanks on it :shock: I contacted the suppler and they will arrange a return and credit but as I live...
  5. core ,freeze plug leaking.

    Range Rover Mark II / P38
    Hi looking from the front of my car,I have coolant leaking down from the area of my engine mounting on the left side of my v8.As there are no hoses in this area i,m thinking its a core plug leaking.What core plugs are in this area and whats involved replacing them ,exhaust manifold off or...
  6. Replaced heater core o-rings now have problems

    Range Rover Mark II / P38
    Now the instrument cluster, message center, stereo, HEVAC display is not working. Need help
  7. Replace heater core with Audi or o rings?

    Range Rover Mark II / P38
    Hi All, Just bypassed the heater. Should I just replace the o rings or go for it and fit an Audi heater matrix? I'm inclined to to replace the o rings, but keen to hear opinions. Cheers.
  8. Audi Heater Core Help

    Range Rover Mark II / P38
    I have a leaking heater core or O-rings and instead of just doing the O-rings and possibly still having a leak from a cracked heater core I've decided to do the Audi core swap. Here are my questions: Which core is better, plastic/ABS ends or copper ends? Or is this subjective and based on...
  9. Heater core, resistor, and blower motor replacement - blowing fuse now

    Range Rover Classic
    Heater core, resistor, and blower motor replacement - blowing fuse now Hello, I am in need of help. My 1993 SWB blows the fuse B4 after running the blower motor for a few minutes. I just completed the above mentioned replacement of parts. The blower blows fine for approximately 1 minute then...
  10. Replaced Heater Core an Now its OVERHEATING!

    Range Rover Mark II / P38
    What's up Guys!?! Need some help figuring out y my p38 is overheating once I replaced my heater core! The heater core burst on me pulling in my drive way!! I heard pressured air escaping, then the steam air started coming out my vents(thought it was smoke), an ofcourse the antifreeze started...
  11. Strange Smell After Heater Core Replacement (Concerned Owner)

    Range Rover Mark II / P38
    Strange Smell After Heater Core Replacement (Concerned Owner) Had my heater core replaced this past week due to ongoing overheating problems; coolant on passenger foot well, constantly needing to top off the coolant tank and truck would overheat when the HVAC was set to anything other than...
  12. Heater Core temperature sensor

    Range Rover Mark II / P38
    Afternoon all Following on from my ac questions, the codes suggest an issue with my heater core temperature sensor. I have found this sold by island 4x4, but just wanted to check that looks like the right part! http://www.island-4x4.co.uk/sensor-heater-temperature-stc3256-p-2544.html...
  13. dexcool and audi copper core

    Range Rover Mark II / P38
    I use orange dex-cool. Need to do my heater core. Thinking about the Audi copper core. Do I need to change coolant due to the copper? Whats everybody running this Audi core doing?
  14. Heater core o rings.

    Range Rover Mark II / P38
    I had leaky o rings in my 2000 heater core. Two bottles of that K seal has fixed it.. I put one bottle of it direct into the heater pipes though the fire wall and one in my water tank. Let it run for 30 minutes and job done!! No wet carpet no leaks at all.. Plus a heater!!! Thanks for the link...
  15. Replacing heater core matrix on RHD

    Range Rover Mark II / P38
    The RangeRovers.net website describes the shortcut for replacing the heater core on a LHD http://www.rangerovers.net/repairdetails/hevac/heatercore.html#heatercore but is not clear about the procedure on a RHD. I did the job a few months back and thought the following might be of interest...
  16. RRS at 1.55 warning -- insanely hard core

    Range Rover Sport / L320
    Took it off. It is harsh.
  17. Heater Core Automatically Bypassed on Low HVAC Temp?

    Range Rover Mark II / P38
    Does coolant pass through the heater core and its o-rings if the HVAC system is set to a temperature that’s not ‘hot’? To clarify: does coolant always passing through the heater core - whether or not the HVAC system is engaged - or is the heater core automatically bypassed when hot air is not...
  18. O Ring Heater Core Replacement Full Video of Procedure

    Range Rover Mark II / P38
    Hi, After following the advice on this forum I managed to change the o rings on the heater core, what a job it turned out to be, only really because of the clamp on the pipes, getting it aligned. Anyway, after years of using youtube and the internet to learn how to do or fix something I...
  19. Audi heater core installed now no heat!

    Range Rover Mark II / P38
    So I installed the Audi heater core and new core heat sensor on the weekend. Before I put everything back together I fired her up and got it to temp, checked for leaks and heat. It was 0 deg C and it felt like it was blowing heat so I shut her down and put everything back together. So here I am...
  20. RRC Heater core replacement, again

    Range Rover Classic
    A few years ago there was a thread about replacing the RRC heater core. I recall Atlantic British? It doesn't turn up in any searches now, are there any linjks or archives available? I'm finally getting cold enough to offset the aggro from tearing the whole dash to bits... Thanx, Steve