Prado RV6 vibration

Submitted: Friday, May 17, 2002 at 00:00
ThreadID: 1155 Views:1449 Replies:6 FollowUps:1
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I have a 1997 Prado RV6 and at about 2800rpm in 1st, 2nd and 3rd gear (haven't tried 4th, 5th) I get a vibration that only occurs when the rpm moves through 2800. There is no vibration below or above 2800. Does anyone have any suggestions as to what it might be? Thanks for any help.
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Reply By: Mal58 - Friday, May 17, 2002 at 00:00

Friday, May 17, 2002 at 00:00
Mark,
Most V6 Petrol Engine Prados have an engine resonance at approx 2800 rpm. In some Prado's it is more pronounced than others. It is quite normal.
Unless it is extreme, then there is nothing to worry about. It may be worthwhile comparing yours to some friends Prado's just to ease your mind.
I found that mine was "quieter" when I used premium grade petrol, but the finances don't permit that very often, plus, I don't believe I received any benefit in either performance or economy when I did.

Rgds,
Mal58
AnswerID: 3619

Follow Up By: Mark Steedman - Monday, May 20, 2002 at 00:00

Monday, May 20, 2002 at 00:00
Many thanks to everyone who replied to my question. Looks like I will just have to avoid 2800rpm, get through it as quickly as possible in each gear, or drive like my grandma!! Thanks again - Mark
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FollowupID: 1517

Reply By: Paul - Friday, May 17, 2002 at 00:00

Friday, May 17, 2002 at 00:00
Mark - Different situation but I was concerned about a similar vibration in my diesel Troopy at 1800-2000rpm and was told the same 'resonance' thing. 206,000km later it's still there and hasn't caused a problem.
AnswerID: 3626

Reply By: Werner - Saturday, May 18, 2002 at 00:00

Saturday, May 18, 2002 at 00:00
Hi Mark, I have a 1994 2.8L diesel 4runner and vibration seems to occur at around the 2500 rpm mark. It disappears once you go either above or below that point. I haven't worried about it too much.
AnswerID: 3638

Reply By: Norm- Sunday, May 19, 2002 at 00:00

Sunday, May 19, 2002 at 00:00
I also have a V6 Prado which does the same as far as the vibration is concerned. Mine now has 67,000km's on the odometer and it does not seem to have affected it in any detrimental way. I also have a friend with the same vehicle same vibration.
AnswerID: 3656

Reply By: Cashy - Monday, May 20, 2002 at 00:00

Monday, May 20, 2002 at 00:00
Mark,

I believe this is a known problem with some of the earlier V6 Prado's with some vidrations as you describe. Toyota id produce a kit to fix it. But I am lead to believe that it required you convincing the service department that it was a problem and it was covered under warranty.
Hope this helps.
Cashy
AnswerID: 3681

Reply By: Anthony - Tuesday, Jul 02, 2002 at 00:00

Tuesday, Jul 02, 2002 at 00:00
I have a 97 RV6, and have experienced some minor vibration at 2,800rpm also. I have covered 115,000 k's without problems, however the fuel economy has gone west, from an average 14-15 lt/100k to 20.
How is your economy, any suggested fixes?
AnswerID: 4578

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