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2003 Trailblazer Oil Capacity


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Join Date: Jan 2008
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January 14th, 2008, 1:58 PM   #1  
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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January 16th, 2008, 8:52 PM   #2  
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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January 18th, 2008, 10:27 AM   #3  
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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January 18th, 2008, 1:14 PM   #4  
RE: 2003 Trailblazer Oil Capacity

You are correct, it is a straight 6. That is probably why it takes 7 quarts. Thanks.
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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January 18th, 2008, 8:33 PM   #5  
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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