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The client requests the component fluid to be sampled: generator oil, engine oil, transmission fluid, or coolant.
Optional RV fluid sampling for applicable motorhomes, generators, and components.

Independent laboratory analysis provides added information about sampled engine oil, generator oil, transmission fluid, or coolant. Samples for a comprehensive inspection may be collected in advance when scheduling requires it.
The 2–5 business-day timeframe is typical, not guaranteed. Fluid analysis does not predict remaining service life or replace diagnosis by a qualified mechanic.
The client requests the component fluid to be sampled: generator oil, engine oil, transmission fluid, or coolant.
Fluid samples are collected when safe access and conditions permit.
Samples are shipped to an independent laboratory.
Reports are typically delivered within 2–5 business days after the sample is shipped.
Laboratory findings for the fluids sampled are shared with the client.
Tell us about the RV, location, service, and timing. Criterion will review the request and follow up with scope, availability, pricing, and next steps.