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better than car tires
truck tires are inflated to 100 psi and because of the weight they carry , they generate more heat so the nitrogen is the way to go
unfortunately , tires get punctures well away from any nitrogen pump so it is not cost effective
Uneven wear on rear tires is unusual. On a used car it can be an indication that the car has been in an accident and not properly straightened. Worse case, it is a 'cut and shut', the back of one damaged car welded to the front of another.
In normal circumstances, over inflated tyres cause wear to the centre of the tread, whereas under-inflated tyres cause wear to both edges and at extreme under inflation to the sidewalls as well.
It depends upon the type of tyre, whether you have a single or dual axle as well as the weight of the van when loaded.
The maximum tyre pressure for the type of tyre you have will be listed on the sidewall of the tyre. Given the weight of a loaded caravan I would recommend you run the tyres at 2 PSI under the maximum pressure listed on the tyre for a cold inflation. If the maximum is, say, 40 psi then run the tyre at 38 psi. Tyre pressures will increase when the tyres are warmed up from running so always check and adjust the pressures when cold and purchase a good tyre gauge to carry with you if you do not have one yet. Higher tyre pressures within max specification, will lower the tyre's rolling resistance and tyre heat build up, places less stress on the tow vehicle and will give better tyre life on the van tyres.
Tyres are maximum load rated so know the van weight and make sure you do not exceed the load limits of the tyres (printed on the side wall) when adding weight to the van, including water storage.
On some vehicles, you reset the TPMS warning ligh after you have inflated tyres by pressing a button or switch on the instrument panel. On other vehicles, the TPMS system will automatically reset itself and turn the TPMS warning light off after the vehicle has been driven a few miles after re-inflating the tyres.
An accredited shop that knows what they are doing would be able to exchange a steering rack with out altering the wheel alignment. However having said that I would suggest that you have a wheel alignment done anyway as the alignment can be out before they did the job. Remember that it is the job of salesman to sell tyres so the recommendation to rotate tyres all the time hides the fact that you need an alignment and you have to buy 4 tyres at a time instead of 1 or done properly 2. By not rotating tyres then when a tyre shows abnormal wear it becomes noticeable as balance, alignrnent, tyre case problem, over/under inflation and you can take appropriate action to correct it.
It's a Tyres Monitoring Pressure (TMP) system ECU (Electronic Control Unit) temporary faulty. Run for few miles above 30 mph, and all the temporary faults of Tyres Monitoring Pressure (TMP) system ECU will dissappear themselves. Also you can access & erase the TMP system ECU for all Diagnostic Trouble Codes (DTC) memored, if you will connect a VW / Audi diagnostic equipment to the data link connector of the car.
hi from uk the light/simbol you dscribe illuminated is the tyre pressures monitoring warning this is indicating that one or more of your tyres is under inflated in other words you need to check and inflate all tyres to correct pressure as indicated/recommended in handbook the light should reset after driving if not ceck h/book tyres info
hi from uk this light is the tyre pressure monitoring system it is telling you that one or more tyres pressures are under inflation so! if you have not checked them weekly ? for your own safety you should may i suggest you check and inflate to correct pressure of all tyres inc spare ! obviously if one tyre is very low ? keep an eye on it? in case it has a slow leak/puncture ? ps the horse shoe is a low pressure tyre symbol ? best wishes from uk and merry xmas !
If you have the "Mini Mobility System" your car has a tube of tyre sealant and an electric air pump. These are locate in the boot (trunk) under the carpet.
Shake the tube of sealant. Screw the filler hose onto the bottle. Unscrew the dust cap from the tyre valve. Unscrew the valve insert from the tyre valve using the screw device (very important). Push the tube of tube of sealant onto the tyre valve and hold the bottle with the cap pointing downwards. Squeeze the bottle and force the entire contents into the tyre. Replace the tyre valve insert using the screw tool (most important).
Get the electric pump and connect the hose with the pressure guage onto the tyre valve. Connect the pump electric plug into the cigarette socket in the car or power outlet in the boot (ignition key needs to be on position 1). Inflate the tyre to 1.8 - 2.5 bar. Switch the pump off for a moment to check the pressure accurately. Unscrew the compressor, and put everything away in the boot. IMMEDIATELY drive your car for about 10 minutes. This is to distribute the sealant throughout the tyre. Do not exceed 60km/h. After driving for 10 minutes, recheck the tyre pressures using the pump or at a service station. Continue your journey but keep below 80km/h until you have the tyre checked or replaced.