1999 Prado GXL Tyre Wear

Submitted: Tuesday, Aug 13, 2002 at 00:00
ThreadID: 1715 Views:2424 Replies:3 FollowUps:1
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Hi Folks

Since purchasing our Prado RV6 in mid 1999 we have had some problems with our tyres.

We have been using the standard fitted Dunlop GrandTrek 215/80 R16 tyres and have had to replace three of them so far with sever scrubbing on the outer tred. We are now looking at having to replace the lot and we have only clocked up 41600 Klms. All bitumen driving.

At first we were told the problem lay with wheel alignment and so we had wheel alignments carried out at 12000 K and again at 20000 K.

Subsequently we were told it had to do with tyre pressure so we have been closely observing our tyre pressure and keeping it to the local garages suggested 32 PSI.

We have also heard that a number of Prado drivers in our area are experiencing similar problems and that at least one had been told to change to the wider rims and tyres to relieve this problem.

Has anyone experienced this and resolved this problem?

Cheers
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Reply By: Andew - Wednesday, Aug 14, 2002 at 00:00

Wednesday, Aug 14, 2002 at 00:00
Is the outer scrubbing on 1 tyre or both, if both it is too much toe-in, if predominantly 1 tyre, it is a camber difference, that needs to be fixed first,
definately go to an independant wheel alignment only specialist.. who does lots and also fleet work.
Tyre pressure will not just wear 1 side of the tyre,
AnswerID: 5675

Reply By: Dave - Wednesday, Aug 14, 2002 at 00:00

Wednesday, Aug 14, 2002 at 00:00
Hi,

I have a 98 GXL Prado auto and have just replaced the standard Grandtreks (265-65-16) at 91,000Klms, with another set. I think your problems have to be a setup issue, and agree that you need to see a specialist.

Cheers,
DAVE
AnswerID: 5701

Reply By: Fred - Wednesday, Aug 14, 2002 at 00:00

Wednesday, Aug 14, 2002 at 00:00
Hello Ossie, Just replaced 4 tyres on 1998GXL at 106,000. Didn't touch the spare and did one front to back rotation. Tyres did quite a bit of outback (Oodnadatta, Birdsville type roads) and wore very evenly and had no punctures. I'd use manufacturers recommended pressures rather than local garages - I think there's just a slight chance that Toyota might know a little bit more about their vehicles than the local garage. I also know of two owners of the RV model who have had poor tyre wear compared to mine (replaced at 40,000 ish). I assumed it was to do with the tyres being so much narrower. Your heading says GXL but your post says RV so I'll assume it's an RV. I'd think changing the wheels would be a good option - better performance on and off road as well as longer life. Good luck!
AnswerID: 5717

Follow Up By: Jim Boyle - Saturday, Aug 17, 2002 at 00:00

Saturday, Aug 17, 2002 at 00:00
FYI With my Prado RV6 I did 65,000 on original Dunlop Grandtrek tyres and replaced them and
then replaced Bridgestone 693 AT on steeel rims that could not be
balanced accurately. After multiple attempts to balance them,
replaced rims with ROH mags and have now done another 30,000
(20,000 on bitumen, and 7,000 towing a 'van) with acceptable wear.
I've always run on 36 PSI all round for car alone, but take rear
wheels to 42 or 44 psi when towing.
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FollowupID: 2516

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