Used Chevy Avalanche 2500 8.1L – Reliability Deep Dive (Indestructible, or Bust?

Affiliate links in this description. I may earn a commission at no extra cost to you. Thank you for supporting the channel! This allows me to make more videos like this one. Vehicle in this video is a 2002 Chevy Avalanche 2500 with the 8.1L (8100) Vortec V8 and 4L85E transmission. a little over 270,000 and in excellent condition. This one was review worthy. AC Delco Water Pump (PN# 252-732) for 8.1 Vortec V8: https://amzn.to/417jIiV AC Delco Wheel Hub bearing (Note, the title says "rear". These are front. Ignore that detail in the title). https://amzn.to/412e7uc Moog Wheel Hub bearing (this title is correct) : https://amzn.to/41Ccdk2 GM Genuine intake manifold gaskets (PN # 89017539) 8.1L Vortec : https://amzn.to/45gHY4y The Beast Sun Shell (For 4L60E owners ONLY): https://amzn.to/415QalC X Tools D7 Bidirectional Scan Tool: https://amzn.to/419ln7z Dewalt Battery Jump Starter: https://amzn.to/3HxSqLQ Bluetooth Scan Tool: https://amzn.to/4lpPgYB My Mic setup (DJI): https://amzn.to/3HCPuNU Jackery Solar Generator: https://amzn.to/45AHWDk Intro 0:00 The Good Engine 3:17 The Good 4L85E Transmission 4:40 The Bad (Transmissions 4L60E & 4L85E) 6:45 The Bad (engine and the rest of the stuff) 9:55 Test Drive 13:32 Recap and DOBS rating 14:30

LOCKED UP BIG BLOCK 8.1L Silverado 2500  Vortec 8100 Engine Teardown!
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LOCKED UP BIG BLOCK 8.1L Silverado 2500 Vortec 8100 Engine Teardown!

The ULTIMATE Utility Vehicle
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The ULTIMATE Utility Vehicle

The 3 CHEAPEST Trucks That Will Outlast a Brand New Ram 1500 (And No One Knows About Them)
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The 3 CHEAPEST Trucks That Will Outlast a Brand New Ram 1500 (And No One Knows About Them)

2013 Chevrolet Avalanche - Daily Driving The 5.3L GMT900 Truck
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2013 Chevrolet Avalanche - Daily Driving The 5.3L GMT900 Truck

What's the beef with Chevy trucks? CAR WIZARD shares their differences and which TO BUY & NOT TO BUY
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What's the beef with Chevy trucks? CAR WIZARD shares their differences and which TO BUY & NOT TO BUY

Everything Wrong With Hoovies 325K Mile Avalanche
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Everything Wrong With Hoovies 325K Mile Avalanche

My mechanic charged $7500 after I stupidly told him to FIX EVERYTHING on my 320,000 Chevy Avalanche!
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My mechanic charged $7500 after I stupidly told him to FIX EVERYTHING on my 320,000 Chevy Avalanche!

GM 8.1L Allison Equipped Vs. LB7 6.6L Duramax.... FIGHT
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GM 8.1L Allison Equipped Vs. LB7 6.6L Duramax.... FIGHT

Let’s Settle This: Which Mega SUV Is Best? Ford Excursion vs. Chevy Suburban 2500 0-60 & Off-Road
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Let’s Settle This: Which Mega SUV Is Best? Ford Excursion vs. Chevy Suburban 2500 0-60 & Off-Road

Parts were STOLEN off a cheap Chevrolet Avalanche Z71 that I bought at auction & I found the thief!
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Parts were STOLEN off a cheap Chevrolet Avalanche Z71 that I bought at auction & I found the thief!

HOW TO IMPROVE 8.1L POWER. STOCK MANIFOLDS VS HEADERS. ARE SMALLER HEADERS BETTER? THE OTHER GUYS
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HOW TO IMPROVE 8.1L POWER. STOCK MANIFOLDS VS HEADERS. ARE SMALLER HEADERS BETTER? THE OTHER GUYS

The BEST Used Truck to Buy in 2022 - Chevy Avalanche
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The BEST Used Truck to Buy in 2022 - Chevy Avalanche

JUNKYARD 8.1L CAM TEST. STOCK VS ZZ502-REAL DYNO DATA. HOW MUCH HP IS A ZZ502 CAM WORTH IN A GEN 7?
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JUNKYARD 8.1L CAM TEST. STOCK VS ZZ502-REAL DYNO DATA. HOW MUCH HP IS A ZZ502 CAM WORTH IN A GEN 7?

NOT Your Grandpa’s Big Block! | GM 8.1 Heads Explained | Engine Rehab Episode 8
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NOT Your Grandpa’s Big Block! | GM 8.1 Heads Explained | Engine Rehab Episode 8

Here’s how the Chevy Avalanche and Cadillac Escalade EXT could be converted into “Super SUV”s
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Here’s how the Chevy Avalanche and Cadillac Escalade EXT could be converted into “Super SUV”s

I Bought a SUPER RARE chevy Avalanche 2500 BIG BLOCK 2WD in California for $4300!
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I Bought a SUPER RARE chevy Avalanche 2500 BIG BLOCK 2WD in California for $4300!

Stock Chevy Avalanche Gets A New Stance - Trucks! S9, E17
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Stock Chevy Avalanche Gets A New Stance - Trucks! S9, E17

GMT400 vs. GMT800: What Actually Changed?
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GMT400 vs. GMT800: What Actually Changed?

Car History - Chevy Avalanche 2002-2013
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Car History - Chevy Avalanche 2002-2013

Cammed 8.1 Chevy Big Block Maxed Out Towing MPGs. How many MPG does a tuned 8.1 get at max GCWR?
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Cammed 8.1 Chevy Big Block Maxed Out Towing MPGs. How many MPG does a tuned 8.1 get at max GCWR?