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4.0 Ohv louder at motor then exhaust?


942wdSC

Member
Joined
Jan 9, 2019
Messages
14
City
Winthrop Harbor, IL
Vehicle Year
1994
Transmission
Automatic
Hi just wondering are the Ohv 4.0's normally motor loud trucks or does it sound like i have a leak i checked all the bolts they're tight and feel no exhaust coming out anywhere just wondering if i have an issue or they're loud motors?
 
Could be a cracked manifold. Or the timing is ready to blow apart
 
You need to get a louder exhaust...

Mines always been a bit noisy. The 98+ versions like mine are known for it. I heard a few reasons from piston skirts to wristpins. Mine did it when I got it in 2003 and still does it with 182k. Never caused an issue.
 
I actually got new manifolds I pretty much threw a whole new top end on the truck and it doesn't sound different it's just loud
 
Electric vehicles are generally much quieter all around.
 
I like to pretend mine's a diesel. After a while the carbon knock will drown out the other noises.
 
If your fan clutch is bad, it can sound like a 747 taking off.
 
Sno makes a valid point... as usual.

What kind of noise are we talking about here... describe it please.
 
Electric vehicles are generally much quieter all around.

They are. We had a particularly oblivious advisor at one place I worked, and I would make a game of seeing how close I could get to him in cars before he moved.

One day I got a hybrid into EV mode and got within an inch without him noticing. He jumped a foot when I hit the horn.
 
They are. We had a particularly oblivious advisor at one place I worked, and I would make a game of seeing how close I could get to him in cars before he moved.

One day I got a hybrid into EV mode and got within an inch without him noticing. He jumped a foot when I hit the horn.

We play that game with my supervisor, but it's a little different...
He's pretty much deaf when the batteries in his hearing aids die and we use an air horn on a dump truck. You can get within a foot of him with a tri-axle sometimes.
 
The way to rule out the fan clutch would be to remove the serpentine belt and start it up briefly. If it's quiet then there's your problem.
 
Engines make noise.
 
Some more than others.
 
Get a better sound system. UNLEASH THE WATTS

My money is that you have a walker exhaust. They're eerily quiet.
 

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