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#4706883 - 03/25/18 09:01 PM 2002 Chevy Silverado 5.3L 350k
Gito Offline


Registered: 08/30/09
Posts: 638
Loc: CA
We reached 350k miles this past week on our 2002 Silverado.
Wife bought the truck brand new back in 2002.

I've maintained the truck since 60k miles and with the help of BITOG I've been able to trouble shoot and repair minor issues

I have a few questions.
Would it be wise to open up the engine and replace some parts such as rings, valves seals etc.?
This is one job that I won't dare tackle so I would be taking it in to a competent mechanic.

Other option is to drive it until it can't go anymore but many advise me that its better to get some work done on the truck now before I have major engine problems.
Not sure exactly what would be replaced when opening it up.

Any advice is greatly appreciated

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#4706887 - 03/25/18 09:05 PM Re: 2002 Chevy Silverado 5.3L 350k [Re: Gito]
tig1 Offline


Registered: 01/03/09
Posts: 13724
Loc: Illinois
If it ain't broke don't fix it.
_________________________
2007 Ford Fusion 228,000 miles
M1 0-20 EP
2017 Ford Fusion 52K
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M1 ATF and MC LV
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#4706893 - 03/25/18 09:08 PM Re: 2002 Chevy Silverado 5.3L 350k [Re: Gito]
SubieRubyRoo Offline


Registered: 05/14/12
Posts: 1232
Loc: Winchester, Indiana
Don't mess with it till it absolutely needs it.

As Dierks Bentley so succinctly put it,
"Its just an old beat up truck
Some say that I should trade up
Now that I got some jangle in my pocket
But what they dont understand
Is it's the miles that make a man
I wouldnt trade that thing in for a rocket"

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#4706895 - 03/25/18 09:11 PM Re: 2002 Chevy Silverado 5.3L 350k [Re: Gito]
Leo99 Offline


Registered: 03/30/14
Posts: 3116
Loc: NJ
You got your money's worth out of it. Keep driving it. Rings and valves don't suddenly (usually) leave you stranded on the side of the road. They go gradually and you'll start to burn oil and see smoke and whatnot. Replacing rings or valves would be the expensive. You really love that truck (or you've seen the price of new trucks). That's a lot of money to spend on a truck with that many miles. How is the body and interior looking?
_________________________
Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles
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#4706897 - 03/25/18 09:13 PM Re: 2002 Chevy Silverado 5.3L 350k [Re: tig1]
oilpsi2high Offline


Registered: 12/18/14
Posts: 1385
Loc: NY, USA, etc.
Originally Posted By: tig1
If it ain't broke don't fix it.


This x 100,000.

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#4706901 - 03/25/18 09:15 PM Re: 2002 Chevy Silverado 5.3L 350k [Re: Gito]
ls1mike Offline


Registered: 06/14/08
Posts: 5177
Loc: In the Garage...
Send it. It will be fine.

But...

LSX 408 just sayiing.
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#4706908 - 03/25/18 09:18 PM Re: 2002 Chevy Silverado 5.3L 350k [Re: Gito]
clinebarger Offline


Registered: 12/19/13
Posts: 1994
Loc: Fort Worth, Texas
Valve Springs & Valve Guide seals would be a good investment. A broken valve spring or a oiling issue is what usually takes out a LS engine.

What about a LQ9/LQ4 6.0L swap? It will bolt right in!
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#4706913 - 03/25/18 09:21 PM Re: 2002 Chevy Silverado 5.3L 350k [Re: Gito]
Snagglefoot Offline


Registered: 12/31/17
Posts: 1911
Loc: SE British Columbia, Canada
For me, you are already past my ultimate goal of 300,000 miles. Can you tell us anything about the oil such as the weight, was it synthetic and did you have a favorite brand? As you probably know fewer than 5% of trucks make it past 200,000 miles. If it was me, Id sell it and buy another with less than 100,000 miles. If selling is not an option Id run it until it needs repairs. No way would I bother to rebuild it until it absolutely needed it. The biggest problem is a 16 year old truck is just not worth much money. Just make sure its safe and the brakes and font end are good. Tell us more on what you did for maintenance. Thanks.


Edited by Snagglefoot (03/25/18 09:23 PM)

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#4706945 - 03/25/18 09:46 PM Re: 2002 Chevy Silverado 5.3L 350k [Re: Gito]
donnyj08 Offline


Registered: 08/12/12
Posts: 3038
Loc: Cincinnati
Keep driving and maintaining it. If it hasn't had catastrophic failure yet i doubt it will in the next 50k miles.

My boss has an 03 4.8 with 335k on it. Dealer serviced and it still runs perfectly. Im betting it lasts another 100k.
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2008 Silverado Z71 LT 90k Maxlife FS 5w30
2010 Ford Escape 167k QSUD 5w20
2016 Yamaha XSR900 12k, Rotella 15w40 Yamaha Filter.

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#4707009 - 03/25/18 10:38 PM Re: 2002 Chevy Silverado 5.3L 350k [Re: Gito]
Chris142 Offline


Registered: 06/05/03
Posts: 16970
Loc: Deplorable in apple valley, ca
Does it use any oil? If not its still in ok shape. Our shop trucks @ @425k and still passes the California smog check.
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#4707014 - 03/25/18 10:42 PM Re: 2002 Chevy Silverado 5.3L 350k [Re: oilpsi2high]
Superflop Offline


Registered: 07/01/09
Posts: 425
Loc: Seattle
Originally Posted By: oilpsi2high
Originally Posted By: tig1
If it ain't broke don't fix it.


This x 100,000.



This
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2002 saab 9-5 2.3t wagon
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#4707052 - 03/25/18 11:32 PM Re: 2002 Chevy Silverado 5.3L 350k [Re: Gito]
daves87rs Offline


Registered: 02/23/09
Posts: 17020
Loc: Michigan
I would drive it until it was time for a new engine...
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#4707107 - 03/26/18 04:29 AM Re: 2002 Chevy Silverado 5.3L 350k [Re: Snagglefoot]
gfh77665 Offline


Registered: 09/01/08
Posts: 3825
Loc: Southeast Texas
Originally Posted By: Snagglefoot
As you probably know fewer than 5% of trucks make it past 200,000 miles. .


I was not aware of that! My daughters 2000 Silverado has 265K right now, and my 2005 Silverado has 165 and you would think its still new...

Maybe its regional?

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#4707108 - 03/26/18 04:32 AM Re: 2002 Chevy Silverado 5.3L 350k [Re: Gito]
gfh77665 Offline


Registered: 09/01/08
Posts: 3825
Loc: Southeast Texas
Originally Posted By: Gito


I have a few questions.
Would it be wise to open up the engine and replace some parts such as rings, valves seals etc.?

Any advice is greatly appreciated



I would use Restore at 5K intervals. It literally increases compression in worn but well functioning engines. Other than that just let it be and drive on happily!

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#4707110 - 03/26/18 04:50 AM Re: 2002 Chevy Silverado 5.3L 350k [Re: Snagglefoot]
leje0306 Offline


Registered: 08/28/16
Posts: 59
Loc: Minnesota
Originally Posted By: Snagglefoot
For me, you are already past my ultimate goal of 300,000 miles. Can you tell us anything about the oil such as the weight, was it synthetic and did you have a favorite brand? As you probably know fewer than 5% of trucks make it past 200,000 miles. If it was me, Id sell it and buy another with less than 100,000 miles. If selling is not an option Id run it until it needs repairs. No way would I bother to rebuild it until it absolutely needed it. The biggest problem is a 16 year old truck is just not worth much money. Just make sure its safe and the brakes and font end are good. Tell us more on what you did for maintenance. Thanks.


Source of this data?

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