Engine Mechanical problem
1990 Chevy Silverado V8 Two Wheel Drive Automatic
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I threw my serpentine belt yesterday on my 1990 Chevrolet 454SS pickup, and discovered that the belt diagram has 'disappeared' from the engine compartment. The local Chevy dealer tells me that the belt diagram sticker is no longer available. I need to know the correct routing for this belt...!

Rocky_Roadie wrote:

Engine Mechanical problem 1990 Chevy Silverado V8 Two Wheel Drive Automatic ---------------------------------------------------------------- I threw my serpentine belt yesterday on my 1990 Chevrolet 454SS pickup, and discovered that the belt diagram has 'disappeared' from the engine compartment. The local Chevy dealer tells me that the belt diagram sticker is no longer available. I need to know the correct routing for this belt...!

Hello !!
Here you have the diagram of the serpentine belt route, if you can`t read it due to its size let me know and i will send it to your E-Mail in full size.

good Luck!


What size engine your truck has?

fisherman wrote:

Rocky_Roadie wrote: Engine Mechanical problem 1990 Chevy Silverado V8 Two Wheel Drive Automatic ---------------------------------------------------------------- I threw my serpentine belt yesterday on my 1990 Chevrolet 454SS pickup, and discovered that the belt diagram has 'disappeared' from the engine compartment. The local Chevy dealer tells me that the belt diagram sticker is no longer available. I need to know the correct routing for this belt...! Hello !! Here you have the diagram of the serpentine belt route, if you can`t read it due to its size let me know and i will send it to your E-Mail in full size. good Luck! What size engine your truck has?

Good evening!

It is a big block 454, with smog pump, and AC compressor...1990. I recognized one of the pictures, but when I went to this reply page, the pictures aren't present for me to relay to you (I think that it was the third one). A bigger picture would be a big help.

Really appreciate the feedback!

Hello !!

Well, then its a 7.4 l. engine?

here its a couple of belt routings with and without Idler:

hope it helps!!

anyway let me know if its good enough.

good luck!

fisherman wrote:

Hello !! Well, then its a 7.4 l. engine? here its a couple of belt routings with and without Idler: hope it helps!! anyway let me know if its good enough. good luck!

First one is a match!

Many thanks for all the help...!

Take care,
John