Hardbody Chain Rattle

Information on the naturally-aspirated KA24E and KA24DE engines.
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DaveTheGoat
Posts: 9
Joined: Sat May 30, 2009 2:12 pm
Car: 97 nissan hardbody

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Well my 97 HB w/ 140k started rattling all the time. used to be just for a couple seconds at start up. I've seen alot of info on the web and I'm thinking of doing this job myself. Does any one have any pointers or things I should watch out for ? Also, where is a good place to buy the parts ? I'm deffinitly going all OEM.


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DaveTheGoat
Posts: 9
Joined: Sat May 30, 2009 2:12 pm
Car: 97 nissan hardbody

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So I got bored and pulled the Valve Cover expecting to see a loose a** chain. To my surprise it was tight I was able to push the tensioner side guide in with a screwdriver. It had good tension and pushed back into place. The driver's side guide was missing the plastic rail but since it's a 97 it still had the metal backing piece in place. So the rattling is from the chain riding on the bare metal guide. How much damage could that do ? I'm thinking not much other than rattling. What do you guys think ? I'm tinking just to let it be.

seang
Posts: 2026
Joined: Tue Dec 16, 2008 8:09 pm
Car: Ford Fiesta ST
Location: Michigan

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A cool thing about the 96-97 ka24e models is the metal backed timing chain guides. pre-96 engines had plastic backed guides that wear out and can cause big problems if neglected. My truck does this all the time and I simply turn the engine off for a second, and restart it 2 or three times until it gets tension. I'm trying to avoid the hassle of re-doing the timing chain. Some dude told me I'm gonna kill my starter, but it takes but a few cranks to start up anyway, so I'm not having any problems there. I have 133,000 miles on my truck, and I believe the starter is origional, as is the alternator. So yeah, I don't think its a big deal on your particular truck unless it really bothers you. I used to just let the truck idle up and rattle for a few long seconds, but I really feel that turning it off and restarting it is the better way.

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DaveTheGoat
Posts: 9
Joined: Sat May 30, 2009 2:12 pm
Car: 97 nissan hardbody

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yeah, I don't want to screw something up trying to replace the chain if I really dont have to. But The rattling will probably drive me to do it.

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DaveTheGoat
Posts: 9
Joined: Sat May 30, 2009 2:12 pm
Car: 97 nissan hardbody

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What happened to my signature ?


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