Question about 1998 Nissan Frontier

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Had a new timing kit put in my 98 frontier. Picked it up tday and mechanic said that the RATTLE I was hearing would go away in a day or two, he said it was coming from the tensioner. He said that there was probably an airlock there but it would be ok. Does this sound normal, it didnt to me. It is a constant faint rattle, it didnt sound like this before after the engine was warm just at startup.

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Id bring it right back! Airlock....common ....give it a couple of days, please. If it does not stop tomorrow take it right back

Posted on Sep 16, 2010

  • 3hawks Sep 16, 2010

    Thanks, what does it sound like to you ?

  • jackdouglass Sep 16, 2010

    Could be the tensioner, or something loose or left behind. It's kind of hard without being there but the mechanic needs to be responsible for his work....bottom line, it should not be making any noise at all..
    Stay on top of it and lots of luck !


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Don't think you got good advice, rattle will not go away on it's own. you'll need to repair the problem. if it is a bad tensioner i suggest you replace it before you break down and have to be towed. thers NO AIRLOCK on any tensioner that i've heard of. hope this helps!! and you should always get a 2nd opinion!!

Posted on Sep 16, 2010


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I have a 2002 Mazda Protege5 that now has a loud, continuous metallic 'rattle' coming from the top, front of the engine. How can I locate the problem and how can I fix it?

code p0660 refers to intake manifold tuning valve , bank 1 --circuit open===causes --wiring---intake tuning valve

code p0302 refers to cylinder 2 --misfire detected ===causes --engine mechanical fault--wiring ignition /fuel system---injector---ECT/MAF sensor---ECM
form you description I suggest that you have a compression test done and check for a loose valve seat insert for no 2 cylinder
That would account for the rattle and loss of power and misfire for that cylinder

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Second Generation Frontier (2005-2010) Tips

Right off the bat this is an all around good truck. But there are some things all owners should know when purchasing.

You will use your warranty...below is a list of common problems.

#1 The Whine - You will eventually hear this noise come from your 4 liter V6. It's the timing belt tensioner...try and get it worked on under warranty....and a pretty labor intensive job.

#2 The Rattle - You will hear a distinct rattle from your exhaust especially in the 1 to 3000 rpm range. It's your exhaust heat shields....they tend to corrode fast.

#3 The Thump - You may hear a thump coming from your rear differantial. In some cases it's the drive shaft although I have hear reports of folks having thier rear end replaced under warranty.

#4 The Nutty Fuel Guage - This is fixed under recall with a new fuel level sensor.

With that out of the way here's my advice for making your truck better.

Your brakes - You do have a solid four wheel disc brake system that it standard. But I did not like the quality of the rotors personally. I replaced mine with EBC drilled and slotted rotors and ceramic pads. I would say my stopping power increased 3 fold...especially under load.

Your Fuel Consumption - Off the shelf you will average 19mpg between city and hwy. I improved mine by making my engine breathe and spark better. A K&N intake and a set of E3 spark plugs gets me an average of 26 to 27 mpg now. An investment that has paid for itself.

Read your manual - Use the proper fluids and change at the right intervals. Also....the engine calls for nothing less than 91 octane fuel. The people who designed the engine ask for it...and thats for a reason. Spend the extra few bucks on a tank of gas and do it right. My first Nissan truck gave me 308,000 miles.

Hope this advice helps - Good luck with your Frontier!!!

on Aug 07, 2010 | 2007 Nissan Frontier SE Crew Cab

1 Answer

Hi there , I have Honda cr-v 2007 , 2.0 vtec 65k miles , car I very well looked after . But unfortuntley I have noticed last few days rattling sound coming from the engine , only when revs are coming down...

could be the heat shield fitted to the exhaust this will rattle after a time as it rusts away. can just cut it off or repack it with installation or put a exhaust clamp around it to stop it moving. only other thing that can rattle at these rpm is the cat if it has been damaged but you can tell if you smell eggs coming out of the exhaust this is usaly a good sign its damaged.

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Up to this point in time, mechanic 1 has only done some maintenance work on the car. Things that would be done from time to time to maintain the car.
Since you have lost trust in this mechanic, I would go to a different place and have them diagnose the codes. If the second place gives you the same recommendation you can decide what to do.
You can tell the second place you are getting a second opinion, or not.

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I own a 2000 Nissan Frontier crew cab v6 - I was wondering what would happen if my timing belt broke - I just turned 107000 mi. - would the motor lock everyting up - or just the belt broke - also I...

If your timing belt breaks some of the valves will stay open and the pistons will come up and either break the valve or could put a hole in a piston. This is very costly. The rattle could be the belt tensioner

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2 Answers

I have a 2001 Ford ranger supercab that makes rattling noises. It has a 4.0L SOHC. It makes a very fast and loud metallic rattle wich softens anfter about a second or so when I first start it for the day....

4.0l's are notorious for valve rattle on cold start-up. There is really nothing you can do to make it go away short of completely replacing the valve train in the top end, and that isn't a permanent fix. It's is an top end oiling issue from the factory. Just don't race your engine on cold start-up until the rattle stops.

The rattle in the transmission sounds to me to be more of a loose dust shield/heat shield around the transmission or exhaust than a mechanical issue.

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When I'm stopped at a light, I notice a tight

Check the rear area of your truck and see if the tail pipe is near anything, since there is torque on the motor and drive system while you are stopped at a llight, or you can block the tires and put on e/r brake at home with truck in gear, then look and listen underneath truck to find source of rattle

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Belts squeal on 1998 Nissian Frontier

Squeal belts usually mean not enough tension. I have had problem with persistance squeling in the past, the problem turn out to be cheap aftermarket belt that keep stretching and wouldn't maintain proper tension, putting brake fluid or any kind of oily liquid on your belt will make it worst not better.

Feb 25, 2009 | 1998 Nissan Frontier

1 Answer


98 frontier what?? V6 or 4 cylinder?? and how much R 134a did you put in there??

Jul 22, 2008 | 2005 Nissan Frontier

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