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TrailBlazer 2002-2009
The TrailBlazer, originally introduced as an upscale Blazer, was produced from 2002 to 2008 with a powerful I6 engine and with a monster V8 offered in the Trailblazer SS
Platform: GMT 305, 360, & 370.

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  #1  
Old 01-14-2008, 01:58 PM
 
Join Date: Jan 2008
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Default 2003 Trailblazer Oil Capacity

I have a 2003 Trailblazer LTZ 4X4 (4.2 L). Anyone know what the oil capacity is? I bought oil from autozone and they told me 5 Quarts. I changed the oil and filled with the 5 quarts, it did not even read on the dipstick. I filled it with one more quart and it read add a quart. So I filled it with 1 more quart. 7 quarts of oil in a V6??? There was no oil on the ground or anything, so there are no leaks. I have driven it for 3,000 miles and am about to change the oil again. I checked the oil every gas stop and it still reads full. It just seems odd to me for it to take that much oil!
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  #2  
Old 01-16-2008, 08:52 PM
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Default RE: 2003 Trailblazer Oil Capacity

I had a 2002 and it took seven quarts but it was a straight six. Not sure what a V6 would take but would add 'til the dipstick says it's full. I didn't know they switched to a V6 tho. I knew the extended wheelbase could be had w/ a V8 and the SS also. Are you sure it's a V6?
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  #3  
Old 01-18-2008, 10:27 AM
 
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Default RE: 2003 Trailblazer Oil Capacity

Sounds about right. With big trucks & SUV's they usually take a larger quantity of oil capacity as opposed to smaller to mid-size vehicles. My brother's F-350 Diesel takes about 8 quarts of oil. That thing is a beast!! hahaha.
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  #4  
Old 01-18-2008, 01:14 PM
 
Join Date: Jan 2008
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Default RE: 2003 Trailblazer Oil Capacity

You are correct, it is a straight 6. That is probably why it takes 7 quarts. Thanks.
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ORIGINAL: 73shark

I had a 2002 and it took seven quarts but it was a straight six. Not sure what a V6 would take but would add 'til the dipstick says it's full. I didn't know they switched to a V6 tho. I knew the extended wheelbase could be had w/ a V8 and the SS also. Are you sure it's a V6?
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  #5  
Old 01-18-2008, 08:33 PM
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Default RE: 2003 Trailblazer Oil Capacity

You're welcome. Always thought it was unusual for it to hold more oil than my 07 Tahoe (holds 6 qts). Go figure.
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2010 Sheer Silver Tahoe LTZ (all options but sunroof, power boards), GM (body color flaps, rear console, 3rd row mat, 2-Way Remote, chrome gas door, Esky rack), Eagle Eye LED tails, SLP dual tip exhaust, Silver bow-ties/rear wiper, Catch-All mats, AlphaTherm washer fluid heater, Putco chrome mirror covers, silver calipers, board chrome trim, tint, GMPP Major Guard

2007 Black Tahoe LTZ (Sold),
(GM flaps-$15, Lund Step Tubes-$80-For Sale)
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Old 01-18-2008, 08:33 PM
 
 
 
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04, 2002, 2003, 2006, 42, blazer, capacity, chevrolet, chevy, oil, quarts, tahoe, trail, trailblazer, v6


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