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97 Rodeo Knocking Noise

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  #1  
Old 09-06-2006, 08:54 PM
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I noticed lately after I got my timing belt,wp and tensioner replace I start hear knocking noise from the engine. It did made the noise before I got the timing belt changed but now its louder than ever. What might this be?
 
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Old 09-07-2006, 01:21 AM
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Rod knock? Hopefully not.

A bad t-belt tensioner will sound alot like a rod knock so hopefully they replaced the whole thing and not just part of it.

 
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Old 09-07-2006, 07:44 PM
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Whats the whole entire thing?
 
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Old 09-08-2006, 01:29 PM
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I havent done a timing belt on these yet myself so dont know from experience but I beleive there is more then 1 part to the tensioner. I recall reading some posts on other sites about a knock still being there after changing the tensioner but they didnt change all of it.


Check the forums at www.planetisuzoo.com and the rodeo section of www.automotiveforums.com and do searches for "timing belt tensioner knock" should have lots of info.


If you let your engine run really low on oil then it could very well be a rod knock. Usually the #1 cylinder since it gets the oil last so has the lowest pressure.
 
  #5  
Old 09-09-2006, 04:40 AM
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Have much quart does a 97 V6 use?
 
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Old 09-09-2006, 05:00 AM
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Also what should the oil gauage read?
 
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Old 09-10-2006, 02:07 AM
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According to the Haynes manual it should use 5.7 quarts.

Mine doesnt have an oil pressure guage but this is from a post by someone that has a '99 trooper that he put an aftermarket mechanical guage in. I would think it should be around the same with a 97 rodeo 3.2

The mechanical gauge shows that although the <b style="color: rgb(255, 163, 79);">pressure[/b] goes up to 80psi+ when cold, as the engine warms up the <b style="color: rgb(255, 163, 79);">pressure[/b]
drops, typically showing 25-30psi at idle, 60psi at 1500rpm, 70psi at
2000rpm and peaking at 80psi at 2500 rpm up. The workshop handbook says
55-80psi at 3000rpm on a hot engine so my car is just fine.
</span>
 
  #8  
Old 09-10-2006, 04:12 AM
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What type of oil do they recommend using? I use 10w-30
 
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Old 09-10-2006, 07:41 PM
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I use 5w30 mobile 1 synthetic. Some are using 0w30 to help get rid of lifter ticking noises, others go as high as 20w50 to help with oil burning issues. So I dont think there is any set standard, just depends on what is wrong that you are correcting. I will say that 5w30 is probably the most common and what isuzu recommends.
 
  #10  
Old 09-14-2006, 01:13 AM
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all rodeos do it :P


supposidly it could be the hydraulic lifters, but i just got it checked out and now they're saying it could be a worn-out pulley since it doesn't knock all the time.
 


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