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Anonymous Posted on May 28, 2014

1995 range rover p38 4.6 litre petrol over heating ive fitted a new thermostat and the radiator is clear but the bottom hose doesnt get very hot and the lefthand side heater doesnt work can you diagno

The left hand side heater doesn't work and the bottom hose doesn't get very hot although a new thermostat was fitted

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A.j. Miller

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  • Contributor 58 Answers
  • Posted on May 29, 2014
A.j. Miller
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Sounds blocked to me, with the limited info provided that is. Here's a couple often overlooked things to check if you havnt already: 1.The resorvoir cap located on top of the coolant tank behind battery. This is a critical item and must operate correctly. They do get worn and can malfunction and as with the thermo once overheated they need to be replaced. 2. The line from the top of the radiator that wraps the inside fender and up to the neck of the resorvoir. If you disconnect from resorvoir with engine running (but cool) you should have a steady flow of coolant. If its intermittent or weak this would indicate partial blockage. 3. The thermostat replacement, was it done by a qualified tech? This is the "artificial heart" looking junction down near the battery side of lower radiator. Because the engine block is a GM design it is cast to accomodate the thermo at the top of the engine as with a GM car. Rover does not use this and it is a clear passage from top hose to top end. It is not unheard of for an unfamliar tech to install a thermo here thinking the old was simply removed. Also the hoses may be connected to the wrong ports. Two of the three are the same size, check it out, your "heart" may be in backwards.
They seem like minor items but they are critical to the high pressure cooling system unique to Range Rover. Hope this helps you are on the right track. Whatever you do don't let it overheat to the red. It doesn't sound like a head gasket but the coolant isn't blending for one reason or another. Hope it helps, am happy to troubleshoot further if you post additional info.

5 Related Answers

Anonymous

  • 53 Answers
  • Posted on Oct 20, 2008

SOURCE: overheating

change the vicous on the fan. ( fan clutch)

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kingeggyman

  • 41 Answers
  • Posted on Nov 19, 2009

SOURCE: Range Rover p38 we have just fitted a new battery

check the fuse first ,look up cigarette lighter fuses first i bet that is blown ,cos that fuse is part of cigertte lighter and ur stereo aas well also check ur heater fuses as well

Anonymous

  • 2 Answers
  • Posted on Nov 20, 2009

SOURCE: The nearside xenon headlamp does not work, i have

Hiya, if changing the bulb doesn't work it is probably the ignitor or the ballast. You can get a second hand set on the internet, just make sure to get the serial number right. If it is the ballast it is very easy to replace. For the headlamp on the left side as seen from sitting in the car it isn't even necessary to remove the headlamp. You can replace it just by unscrewing 3 torx screws and replace the ballast. If it is the other side you probably but not necessarily need to remove the headlamp which is also a piece of cake, see http://www.rangerovers.net/forum/viewtopic.php?f=2&t=31259&p=269733&hilit=headlamp#p269733
If it is the ignitor it is a bit more work since it is integrated inside the headlamp unit which you have to take apart to reach it. Chances are slim that it is the ignitor, the ballast is the weaker part and since it is purchased as a set I would recommend to try to replace the ballast first. Just make sure to switch off the lights and remove the key! It is dangerous because of high voltage!

Anonymous

  • 16 Answers
  • Posted on Apr 02, 2010

SOURCE: Range rover p38 heater

blend motors £340 on ebay and he travels anywhere in the country

Anonymous

  • 16 Answers
  • Posted on Apr 02, 2010

SOURCE: blows cold air on driver side and...

blend motors

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