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Shepp
Dodge Dakota
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11/17/2004
18:42:42

Subject: Rap, rap, rap...
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Question, been noticing a rap, rap, rap, rapping type sound coming from motor while I am driving and putting truck under load (accelerating, going up hill and gassing it a bit more to keep speed, etc.). If I am cruising, I.E. get to speed limit, fairly even throttle; the noise goes away, until I need to accelerate again to gain speed, etc.

Is this normal (I have 98K miles)? Is it the timing chain/belt? Do I need the tensioner fix I've read about here?

It doesn't sound like metal on metal or anything like that, just a rap, rap, rap, almost like lifters or something... I do have a slight exhaust manifold leak, not sure if that is the source of the noise... I'll have to have wife accelerate while I have hood open and see if I can pinpoint better...

Later,

Shepp

1998 mag V6 Ex cab Dakota
360intakeZ cold-air intake w/S&B filter
180 deg therm
MSD 8MM wires
cold running plugs
borg-warner all brass cap/rotor
hedman hedders high flow cat
flowmaster dual-out cat-back exhaust w/stainless polished tips
jet stage II chip
31X10.5 BG Goody All-Terrain T/A's




93dak4x4
Dodge Dakota
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11/18/2004
09:21:02

RE: Rap, rap, rap...
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it could be a sound you hear from your exhaust leak, fix that first. if you want to hear it for yourself you can just take use your hand on the throttle while you are under the hood so you have complete control. its alot easier then trying to coordinate with your wife. as for the sound you say...its hard to tell what you mean. where does it sound like its coming from? your timing chain would make noise all the time if it was that(you could hear mine rattle at idle, then again it was an inch longer then it was supposed to be at that point(106k)) good luck



vern
Dodge Dakota
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11/19/2004
19:46:08

RE: Rap, rap, rap...
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a exh leak on the head sounds much like a lifter ticking,




Shepp
Dodge Dakota
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11/20/2004
09:46:15

RE: Rap, rap, rap...
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Cool, cuZ that is what it sounds like... lifters going rap, or tick...

thanks!

shepp



drew
Dodge Dakota
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11/20/2004
13:07:18

RE: Rap, rap, rap...
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i was just wondering where you got your exhaust system and how much was it? do you have 4x4?



Shepp
Dodge Dakota
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11/22/2004
10:10:48

RE: Rap, rap, rap...
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RE: Exhaust system: Had it installed at Meineke in NH (Derry). Cost was about 400 installed. Yes I have 4X4.

Peace!

Shepp



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