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2003 Lexus GX470 Question: Lexus radiator, timing/water/drive belt



jnoelle77, 4.7L V8, Auburndale, MA, January 29, 2011, 19:26

I took my Lexus 2003 GX470 in for routine maintenance at a Lexus dealership. It has s manual. Estimated price: $1543.

Does the timing belt need to be changed due to the time even even though the mileage is low?
If so, is it true that the water and drive belts need to be changed at the same time as the timing belt? Why?
Do either / both of these changes (radiator, belts) need to be changed at a Lexus dealership?
Any ideas of what these changes might cost at non Lexus dealership?
Does anyone have recommendations of a non-Lexus dealership that can do this type of work on Lexus autos in the Boston area?


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  • Answer #1

    June 09, 2011, 21:47

    Yes timing belt should be replaced every 6-yrs or 90K miles, should also replace water pump, tensioners, bearing, thermostat, serpetine belt, all fluids: front and rear drive axle fluids(royal purple synthetic) Transmission fluid use Toyota ATF WS fluid only, new antifreeze, spark plugs, also all oil,air,cabin filter. Dealer charges $2,000.00 to $2,400.00 it's worth getting done, if timing belt brakes your valves would be bent instantly.

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