Chevrolet Silverado 1500 Coolant Leak — Where It Usually Comes From, and What It Costs

Based on real repair records · last updated October 20, 2026
46.4%
of Chevrolet Silverado 1500 visits for a coolant leak involve Water Pump — typically $348 – $619 on this vehicle when it's the only fix
Computed from real Chevrolet Silverado 1500 repair visits where the customer reported a coolant leak.

Water Pump leads on the Chevrolet Silverado 1500 as it does across all vehicles, but the mix is different: Water Pump shows up in 46.4% of Chevrolet Silverado 1500 visits against 29.5% for all vehicles. The table below shows each fix for this vehicle next to the all-vehicle share, with what it costs on the Chevrolet Silverado 1500.

What it actually turns out to be on the Chevrolet Silverado 1500

The fix involvedChevrolet Silverado 1500*All vehicles*Typical cost†
Water Pump46.4%29.5%$348 – $619
Radiator24.4%28.1%$405 – $868
Thermostat20.9%19.7%$179 – $442
Hose18.2%18.2%$176 – $515
Radiator Hose8.1%10%$130 – $386 all vehicles
Gasket / Seal6%15.7%$60 – $516
Other, rarer causessmaller shares—varies

*Share of visits whose repair involved this part, among visits for this complaint that ended in a parts repair. Combined repairs count toward each part involved, so shares overlap and don't add up to 100%.
†Middle half of real Chevrolet Silverado 1500 invoices (25th–75th percentile) when this was the only fix, parts + labor; rows marked "all vehicles" use all vehicle types.

Real repair reports

Recent, paid Chevrolet Silverado 1500 visits for this complaint — the words as the owner said them, and what it turned out to be.

Chevrolet Silverado 1500 owners said

“Coolant leak, check radiator”
2018 Chevrolet Silverado 1500 · 127,181 mi · $932 · Sep 2025
turned out: Radiator
“customer states he is leaking coolant”
2014 Chevrolet Silverado 1500 · 32,687 mi · $953 · Apr 2025
turned out: Radiator
“Customer concern: coolant leak”
2005 Chevrolet Silverado 1500 · 297,600 mi · $458 · Aug 2024
turned out: Water Pump
“Thinks water pump may be leaking”
2014 Chevrolet Silverado 1500 · 220,325 mi · $460 · Sep 2023
turned out: Water Pump

More on this problem and this vehicle

Take this to the shop

The FixDozer Diagnosis Brief for this complaint puts the all-vehicle odds on one printable sheet. Bring it with this page: the table above shows how the Chevrolet Silverado 1500 differs.

Download the Diagnosis Brief (PDF, all vehicles)

View it online · Narrow it down step by step

Where these numbers come from. FixDozer computes statistics from a large, continuously updated body of real-world US automotive repair records.
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