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Chevrolet & GMC Repair in Spencerport, NY

A Chevy 5.3L tick, a newer GM 3.6L cylinder 2 misfire and an older GM V6 timing code are different problems. Our Chevrolet and GMC service pages explain the engine-specific distinction so the owner has a clearer starting point.

Spencerport · Rochester areaDiagnosis before repair

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When to investigate

Chevy and GMC engine concerns to describe

Engine noise, misfires, power loss and unusual oil use can occur on several GM engine families. The exact engine code helps avoid confusing separate problems.

V8 ticking, shaking, loss of power or an engine misfire

V6 misfire or rocker-related concerns on applicable engines

Timing-correlation codes and mechanical timing noises

Cooling-system, starting, oil-leak or general drivability issues

Chevrolet and GMC engine problems have several distinct causes

A 5.3L/6.2L V8 with AFM lifter noise is not the same diagnosis as a newer 3.6L HFV6 cylinder 2/5 rocker misfire, or an older 3.6L timing-chain correlation fault. We keep repair information divided by engine family so customers can understand the differences.

GM V8 lifter and camshaft diagnosis

Some pushrod V8 applications can develop collapsed lifters, valve-train noise, misfires or secondary camshaft wear. Our existing GM lifter page explains the signs and evaluation process. An exhaust leak, injector issue or ignition fault can also create complaints that sound similar.

3.6L V6 rocker and timing concerns

Newer switching-rocker applications and older timing-chain applications are separate subjects, each with manufacturer documentation for particular vehicles. The first step is identifying the exact engine and symptom history, not assuming a repair from the model name.

Engine rebuilding and replacement options

When an engine has serious internal damage, we discuss whether focused mechanical work, a rebuild or a complete replacement is reasonable. Customers also come to us for regular services such as brakes, suspension, maintenance and check-engine-light diagnostics.

A separate 6.2L L87 safety recall exists

Certain 2021-2024 GM vehicles with the 6.2L L87 engine are covered by NHTSA recall 25V274 for connecting-rod/crankshaft manufacturing issues. This is not an AFM lifter repair, and not all L87 vehicles are included. Owners should check their VIN and applicable dealer remedy before paying for work that might be covered by an active safety recall.

Diagnosis tailored to this engine

Separate GM V8 lifters, 3.6L rockers and older V6 timing

A Chevrolet or GMC model name alone does not identify the hardware. V8 AFM/DFM lifters, newer HFV6 switching rockers and older V6 timing chains each need their own diagnostic path.

Identify the year, engine and relevant operating condition; record actual cylinder misfire counts or timing codes when available.

On V8 ticking or misfires, consider exhaust and ignition causes as well as lifters; on HFV6 cylinder 2/5 misfires, consider rocker and control-system guidance.

Match the confirmed mechanical failure to component repair, camshaft work, engine rebuilding or replacement when warranted.

Engine-specific mechanical insight

What “Chevy engine problems” misses

Different Chevrolet and GMC engines can have unrelated failure mechanisms. The service conversation becomes more productive when we start with engine identification and measurable evidence.

5.3/6.2 V8 ticking

A collapsed lifter, damaged camshaft, exhaust leak or other noise source may sound similar to a customer. The affected cylinder and conditions matter.

HFV6 cylinder 2/5 misfires

Specific later 3.6L applications have manufacturer guidance around switching rockers. This is distinct from the V8 lifter discussion.

Safety and recalls

Certain 6.2L L87 vehicles have separate safety-recall concerns. Owners should check VIN-specific recalls with NHTSA or the manufacturer before paying for potentially covered work.

Helpful details to send us

Provide year, model, engine size, diagnostic codes and whether the noise is cold-only or continues when warm.

Manufacturer / technical references

Technical bulletins apply only to identified vehicles or production ranges. A bulletin is not a recall, warranty promise or automatic diagnosis.

Repair options

Chevrolet and GMC engine work by actual failure

We can discuss lifters, rockers, camshafts, timing repairs and larger engine work without treating every GM engine complaint as the same defect.

GM V8 lifter, camshaft and rocker-related service.

GM V8 lifter/camshaft service when AFM/DFM or another valvetrain failure is confirmed by appropriate testing.

GM 3.6L mechanical misfire and timing-system repairs.

HFV6 rocker-arm, cylinder misfire and older GM 3.6 timing repair based on the precise engine and fault.

Full engine rebuild/replacement and general mechanical service.

Internal repairs, engine rebuilding or complete replacement when damage and economics justify a larger job.

When to stop drivingFlashing check-engine light, loss of oil pressure or pronounced engine knock are reasons to stop driving and arrange an inspection rather than waiting for a minor maintenance appointment.

Questions customers ask

Chevrolet and GMC engine questions

Can you work on a Silverado or GMC Sierra 5.3L?

Yes. Contact us with the exact year, engine and problem so we can discuss the diagnostic process.

Is every GM V8 tick a lifter?

No. Multiple causes are possible, and the repair should follow a confirmed diagnosis.

Do you rebuild engines or only replace them?

We offer internal engine repair and rebuilding as well as complete engine replacement, depending on feasibility.

Do you service regular brakes and maintenance too?

Yes. The shop remains full service while placing special emphasis on engine diagnostics and mechanical repairs.

Tell us which GM engine is having trouble

Provide year, model, engine size, diagnostic codes and whether the noise is cold-only or continues when warm. We welcome messages 24/7; appointments and estimates are confirmed by the shop.