Oil
- Viscosity
- 5W-30
- Oil type
- Full Synthetic
- Capacity (with filter)
- 5 qt
- Capacity (without filter)
- 4.7 qt
OEM notes: dexos1 Gen 3
2005 Chevrolet Trailblazer Maintenance & Specs
Everything you need to maintain your 2005 Chevrolet Trailblazer — oil specs, maintenance schedule, recalls, and more.
The 2005 Chevrolet Trailblazer takes 5W-30 Full Synthetic with a total capacity of 5 quarts (filter included). Below you’ll find complete maintenance specs, fluid capacities, parts, and links to buy what you need.
Data last verified: May 3, 2026
Oil
5W-30
Full Synthetic
Buy on Amazon →
Capacity
5 qt
with filter
OEM spec: dexos1 Gen 3
Quick DIY Tips for the 2005 Chevrolet Trailblazer
- Always use 5W-30 Full Synthetic as specified by Chevrolet — using the wrong viscosity can void your powertrain warranty.
- Check the maintenance schedule below for your next service interval.
Filter options
No filter cross-references added yet.
Drain bolt & hardware
Drain bolt specs not yet added.
Maintenance schedule
Select a mileage interval above to see scheduled maintenance items.
Estimated Current Value
Original MSRP
$30,000
Private Party Value
$3,135 – $3,465
Dealer Retail Value
$3,630 – $4,125
Trade-In Value
$2,805 – $3,135
Depreciation
89%
Estimated values assume average condition and mileage for vehicle age.
Source: estimated
Technical Service Bulletins135
Torque specifications
- lug nut
- 100 ft-lbs / 135.6 Nm
- spark plug
- 18 ft-lbs / 24.4 Nm
14mm thread, aluminum head
Save by doing it yourself
A shop typically charges $70–$140 for this service. Buy the parts yourself and save.
Shop Parts for the Chevrolet Trailblazer
Find oil, filters, and maintenance parts for the 2005 Chevrolet Trailblazer on Amazon.
Tools & supplies
Step-by-step guide
Detailed walkthrough with tips for first-timers.
Read guide →How often to change oil
Intervals, severe service, and what your car needs.
Read guide →Synthetic vs. conventional
Which oil type is right for your engine and budget.
Read guide →Have info for this vehicle?
Help fellow owners — submit specs from your owner's manual.
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