Britprius

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Britprius last won the day on July 22

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About Britprius

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    Club Post Guru

Profile Information

  • First Name
    John
  • Lexus Model
    GS450H
  • Year of Lexus
    2007
  • UK/Ireland Location
    Herefordshire

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  1. Britprius

    tyre pressure warning light

    The car does not require new tyres to be registered, and the valve only needs replacing if the transmitter on the valve stops working "usually due to battery problems". If a new valve is required then that has to be registered into the cars system. John.
  2. I have an ELM327 in both blue tooth, and USB versions that I used on my Prius with a program called "Priidash". This was developed on the Prius Chat forum to give just about every piece of information of the cars operation on one screen. However the ELM does not compare with the capabilities of Techstream. John.
  3. One of the extra items is an electric pump that pumps coolant from the engine to the heater. This is required even when the car is being driven because the engine may not be running, and therefore the normal engine cooling pump will not be circulating the hot coolant to the heater to heat the cabin. John.
  4. Your figures are as I would expect for a non hybrid. With a hybrid the ACC position takes more current almost double in fact, and in general have smaller batteries fitted "only 45 AH" The 50ma idle may not at first seem much, but works out at 1.2 AH over 24 hours or 8.4 AH over a week. It does then become obvious why some hybrids have problems after a few weeks of inactivity. I have found that mobility batteries of the same dimensions of the OEM batteries can have up to 50% higher AH capacity. The only downside being different terminal types. John.
  5. If you just fit a battery without tags or using conductive glue just glue on the unit lid without sealant so that sealant cannot get under the connection points. If you are using tagged batteries or are using conductive glue once this has set use any silicon bathroom type sealant of the colour you choose. A couple of cloths pegs will hold the lid on till the sealant has set. Be sure to orientate the battery correctly although this is reasonably obvious due to the shape of the housing. It rely is that simple, and you are now ready for when the next one goes south. John.
  6. It is not a good idea to solder to the button batteries as the heat required can destroy the battery or even make it explode in flames similar to a welding torch. Lithium is a very flammable metal. The original tags are spot welded on with very localised heating If you cannot get hold of tagged batteries you can just fit standard button cells held in place by the cover glued on as long as the metal connecting strips are in contact with the battery . Or by using conductive glue from "The small battery company" in Leigh's post at the start of page two. John.
  7. Both of those sets of wheels will fit, but there are somethings further to consider if you intend going to 20 inch wheels that are also wider than standard 8J (8 inches). Your rim to road clearance will be reduced by 1 inch, and unless you go to wider tyres the tyres will be stretched on the rims making the rims very susceptible to kerbing even on low kerbs or even the edges of potholes. The GS wheels are easy to kerb as they are, and wheels with spokes that run out over the rim lip are asking for trouble particularly when there is no tyre side wall to help with feeling the kerbs. The 20 inch rims with lower sidewall tyres will also make for a hard ride, and increase road noise. Of course the decision is yours, but do consider the downsides. John.
  8. It is possible to make the engine run continuously by going into maintenance mode. If I remember correctly it can be done by a chicken dance with some of the controls, or by using Techstream. I am not sure how much engine speed control there is available in this mode. John.
  9. You should not need "Terraclean" with the GS450H as it has both direct, and indirect injection. Indirect injection keeps the back of the inlet valves, and ports clean as the injected fuel washes them. John.
  10. Remember it is the voltage reading in accessory mode not ready mode you are interested in. A reading of 14.5 suggests your in ready mode with the battery on charge. John.
  11. Britprius

    Air conditioning smell

    The hybrid pumps do not have a shaft seal as in engine driven pumps. The pump is driven by an internal 3 phase variable speed electric motor that runs in the oil, and coolant gas to keep it cool in much the same way as domestic freezers, and fridges. The reason for this is that the engine does not run all of the time. The big difference with hybrid pumps against standard engine driven systems is in the lubricant used "ND11" against "PAG" as the lubricant must also act as an electrical insulator. The gas used R134A is common to both systems although other gasses are used in some vehicles. PAG oil is conductive, and must under no circumstances be allowed to contaminate a hybrid system. Motor failure is sure to follow sometimes months after slight contamination such as when gas filling equipment is used on both systems. John
  12. The Toyota Prius had self parking on the UK Tspirit model from 2003 so there is no reason why it could not be on other models. I had it on my Prius. It was very reliable, but took so long to setup unless I was on a supermarket car park with very defined white line parking spaces. In this situation the camera recognised the white lines, and the empty spaces, allowing for instant auto parking. Parallel parking took for ever to set up. Allowing the car to reverse to quickly stopped the auto parking. John.
  13. Britprius

    Traction Battery

    One of the things about hybrids that is not generally realised is that the system is designed to reduce emissions. When the engine is started cold it's emissions are high so the battery is used as the prime moving source of energy with a little assistance from the engine to help bring down emissions. Once the engine is warm the engine then becomes the prime mover unless this means high emissions such as when moving from a standstill when battery power is used. John.
  14. A TPMS warning light is not an MOT failure or part of the MOT for cars registered before 2014. John.
  15. Britprius

    Locking wheel nut

    I presume you mean they lost the locking nut key. Lexus will sell you a new key for £22 if I remember. If you have the box the nuts, and key came in there is a card in there that gives the code for the key. It is cheaper to buy a new set of nuts, and key from the Bay looking better in you newly refurbed wheels. The people that lost your parts should pay the cost is not your problem, but theirs John.