RangeRovers.net Forum banner

thermostat

  1. P0217 then P128 - Coolant System Problems - 07 S/C

    Range Rover Mark III / L322
    Hey new here but know vehicles. Expansion tank nipple broke at the Y that goes to the thermostat. Large amount of coolant leaked out, vehicle lost heat and began overheated. Never fully reaches red. Installed new tank and slowly filled with Pentosin and bled system until I got full heat and...
  2. Coolant Below thermostat

    Range Rover Classic
    Hi All, Hoping someone here could help me with this. For the sake of not starting yet another Overheating thread, I'll cut to the chase here. My 95 LWB started overheating very suddenly the other day during a normal drive on flat roads in cool weather. All visual stuff recommended on this...
  3. Only Hot Air Coming Out

    Range Rover Mark III / L322
    Help! My 04' HSE has developed a symptom where only hot air will come from any vent selected. It feels as is the heat is way higher than any hot air which I recall on the coldest days, it feels like the thermostat has completely failed This occurs when - selector under center dash vents...
  4. P0128 - Thermostat replaced - still intermittently failing

    Range Rover Mark III / L322
    Hi Everyone, I had a shop replace the thermostat in my 2006 Range Rover Supercharged. 144k miles on the vehicle. Fault codes prior to dropping it off were P0171, P0174 and P0128. Shop replaced the thermostat ($560 total) and stated when they performed a test drive P0128 came back. They...
  5. New Thermostat not opening until over heated

    Range Rover Sport / L320
    I have replaced my water pump, thermostat, thermostat housing, ignition coils and plugs. I start to drive and thermostat does not open until gauge pegs hot. This causes back pressure where coolant is forced out of cap at reservoir. No signs of coolant in oil or in cylinders.(I pulled plugs to...
  6. 98 RR thermostat clamp

    Range Rover Mark II / P38
    I wanted y'all to know. Last year I replace the radiator, water pump and thermostat on my 98 RR. I used all the orginal hose clamps except for one. For the last week or two I noticed the water in the overflow tank was about 8ozs low. A little less than a bottle of spring water.Every other I...
  7. Thermostat opening speed

    Range Rover Mark II / P38
    Last year my previous P38 was written off in an accident and I have finally bought another one that I like - '96 and only 64K kilometers. It has developed an overheating problem. I changed the fan hub but no improvement. I removed the thermostat and put in a new one - that was even worse. I...
  8. bleeding thermostat!

    Range Rover Mark II / P38
    I've put a new thermostat in to cure the engine not getting up to temperature. I've bled the system as best I can and according to RAVE, but I've obviously got air in the lower half of the thermostat. As such, it's not getting hot enough to open. The gauge is getting up to the middle quite...
  9. P0128 OCVM thermostat replacement

    Range Rover Mark III / L322
    I was getting CEL fault P0128. Replaced the thermostat but still getting the same code on a regular basis. Picked up the hose thermostat (PCH501310G) and wondered if anyone else has done that as a DIY project. If so, any helpful tips, specific tools or unexpected surprises? thanks in advance.
  10. codes: 02 sensors and electric thermostat circuit - 2004

    Range Rover Mark III / L322
    I have a check engine light and three codes that I have erased a few times but they keep coming back. Two of them are are 02 sensor bank 1 and 2, downstream. So, I removed the rear most 02 sensors and cleaned them and reinstalled. I figured I have nothing to lose by trying that. I will order...
  11. code P1614, electric thermostat circuit open, code P0102

    Range Rover Sport / L320
    Hi all, the system diagnosis throws up the fault code mentioned in title. after 20-30 minutes of driving live feed registers following parameters: -engine temperature: 111 deg C -oil temperature : 100 deg C the above two are found under the section " auto gearbox", not sure why engine...
  12. "P1614 - Electric thermostat circuit open. Drive cycle A"

    Range Rover Mark III / L322
    "P1614 - Electric thermostat circuit open. Drive cycle A" Hi all, fired up the little beauty, drove off, after 15 minutes of driving the live stream showed coolant temperature to be 75 degrees Celsius, whereas radiator coolant temperature was still 13.5 degC. Had new thermostat and radiator...
  13. Oil oozing out of oil filter housing at start up. M62

    Range Rover Mark III / L322
    Hi folks, my first post after having used this source of wisdom for a while. So I am a bit concerned: I started up my engine yesterday (cold start, night time temperature approx 10 degrees Celsius ) and after 10 seconds or so engine oil started to ooze out of the oil filter housing, at the...
  14. Aircon thermostat?

    Range Rover Mark II / P38
    I have had a 1996 Petrol HSE AUTO since February 2000 and always looked after it. Yesterday I had the radiator replaced and when the vehicle was returned the book and exclamation mark symbols were on and the aircon was running ambient. Thee was no book or exclamation mark symbols when I took the...
  15. Thermostat and pressure in hoses

    Range Rover Mark III / L322
    Just bought a 2004 l322 4.4 v8 RR . I expected to need a gearbox but sorted that issue with a filter and oil change then hit the real problem- down compression on 2 cylinders. Looked into the block with a Nora scope and the notes were badly scored so sourced an engine and have fitttd it. While...
  16. Coolant residue on thermostat body

    Range Rover Sport / L320
    I did oil change today and noticed some dryed coolant residue around the thermostat body (2006 hse). I replaced coolant tee a couple of years ago ... so I’m thinking the plastic thermostat body is cracked/leaking under pressure ? If there is any coolant loss ... it is minor (the reservoir is a...
  17. Thermostat Housing removal.

    Range Rover Mark III / L322
    My thermostat housing on my 2006 range rover hse 4.4 cracked while replacing the coolant sensor. Can anyone give me a write up of how to remove it? I have the new one in hand.
  18. Installed Lower temp thermostat, 87 deg C vs 105 deg C

    Range Rover Mark III / L322
    In an attempt to bring oil pressure up at idle, I installed a lower temperature thermostat. This is a 2003 Range Rover with the BMW 4.4L, 166k miles. The stock thermostat is 105 deg C, I ordered an 87 deg C. Supposedly, some models/years/climates used 87 deg C stock, and the switch to 105 deg...
  19. Mid-Week Flash Sale! Save 10% On Engine Cooling Parts!

    Atlantic British
    Mid-Week Flash Sale! Save 10% On Engine Cooling Parts With Atlantic British!
  20. Random Overheating - Not a Thermostat

    Range Rover Mark II / P38
    Hey guys! I'm hoping the hive mind can help with this. The Symptoms: I have an issue with random overheating in my 1996 4.6 Range Rover. It happens while driving. All of the sudden I look down and my temp gauge is well into the red with the warning light on. So I pull into a parking lot...
Top