2017 Chevrolet Silverado 1500 LT
Denver, CO 80202
Quoted Estimate $890.00
Fair Published Standard $665.00
Identified Savings
$225.00
Strata Trust Score 74/100
Itemized Line-Item Breakdown
| Service Description | Quoted | Fair Standard | Audit Verdict |
|---|---|---|---|
| Starter Motor Assembly Replacement Book time: 1.5 hr (Quoted: 2.2 hr) • Labor rate: $175/hr
Parts: ACDelco Professional Starter (12666795) - $295.00 |
$680.00 2.2 hrs labor |
$477.50 1.5 hrs labor | +$122.50 labor overage + $80 parts markup |
| 12V AGM Battery Replacement & BMS Registration Book time: 0.3 hr (Quoted: 0.5 hr)
Parts: ACDelco Gold Group 48 AGM Battery - $222.50 |
$310.00 0.5 hrs labor |
$247.50 0.3 hrs labor | +$35.00 labor overage |
Billed Labor Exceeds Published Flat-Rate Guides
GM factory flat-rate guide and published industry standards specify 1.5 hours for starter replacement on 2014-2018 K2XX chassis trucks with the 5.3L V8. The shop quoted 2.2 hours.
Exact Questions to Ask Your Service Advisor:
"Published standard flat-rate book time for a 5.3L Silverado starter replacement is 1.5 hours. Your quote lists 2.2 hours. Can you adjust the labor time to standard book flat rate?"
"Is the replacement starter an ACDelco genuine OEM unit with lifetime warranty or an aftermarket remanufactured core?"
GM EcoTec3 Starter & Electrical System Overview
Expected Lifespan: Starter Motor: 80,000 - 110,000 Miles • AGM Battery: 36 - 60 Months
Technical Recommendations for this Procedure:
- ✓ EcoTec3 starters are situated adjacent to the passenger side exhaust manifold heat shield; always replace the heat shield clip to prevent thermal soak.
- ✓ Clean battery ground cable connections on the engine block and frame to prevent voltage drop.
- ✓ Perform Battery Sensor Module (BMS) relearn so the alternator charges at the proper AGM profile.
Common Failure Symptoms: Single click with no crank, slow sluggish cranking on freezing mornings, flickering interior cluster lights.
Regional / Climate Factor (Denver, CO): Colorado winter cold snaps severely diminish battery Cold Cranking Amps (CCA); testing battery conductance under load identifies weak cells before starter damage.
• Component Inspection Guide
Permanent Magnet Gear-Reduction (PMGR) Starter Motor
Failure Mechanism: Solenoid Contact Pitting & Bendix Drive Freewheeling
Under high thermal cranking conditions, copper solenoid plunger contacts pit and oxidize, causing intermittent clicking and failure to engage the engine flywheel ring gear.
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