Chevrolet Service

Chevrolet Repair in Royal Oak, MI

Chevrolet is the most common badge in this part of Michigan and the failure patterns are correspondingly well known to us. Two of them are worth acting on early rather than late.

  • AFM and DFM lifter diagnosis
  • Torque converter shudder on the 8 speed
  • Trucks and fleet units welcome
  • Limited lifetime warranty on most repairs

Known Patterns

What goes wrong on a Chevrolet

Most Chevy work in this shop comes down to these four, and which one applies depends mostly on the engine.

A tick or misfire on a V8 with cylinder deactivation

Active Fuel Management lifter failure on the 5.3 and 6.2. This is the important one. Diagnosed at the tick stage it is contained. Left alone the camshaft goes with it and the repair roughly doubles.

Oil consumption on a 2.4 Ecotec

A known pattern on these engines, usually piston rings plus the PCV system. We measure the actual consumption rate over a documented interval rather than debating whether it is normal.

A rattle on startup or a check engine light for timing

Timing chain stretch, common on several of the four cylinder engines. It throws correlation codes and gets worse gradually. Catching it before the chain skips is the whole game.

A shudder at steady highway speed

Torque converter shudder on the 8L90 eight speed, a widely reported issue that often responds to the correct updated fluid rather than a rebuild. Worth trying the cheap answer first, properly.

Worth knowing

A ticking V8 is a stop-driving noise

On Chevrolet V8s with Active Fuel Management, the cylinder deactivation lifters are the known weak point. When one collapses it starts as a tick and a misfire on a single cylinder, and if the car keeps being driven the collapsed lifter wears the camshaft lobe underneath it away. A lifter job and a lifter-plus-camshaft job are not close to the same money, and the gap between them is measured in days of driving.

What Actually Fails

Two known issues account for most of what we see

Chevrolet volume here is Silverados and Equinoxes, and between them two faults account for most of the work. On the V8 trucks it is Active Fuel Management, where a collapsed lifter takes a camshaft with it if it is driven on. On the 2.4 four cylinder it is oil consumption, which is a piston ring and PCV story rather than a leak, and which owners often discover only when the light comes on.

Both are well documented, which is the useful part. Neither needs an exploratory strip down. A lifter problem announces itself on a cylinder specific misfire and a tick, and oil consumption is settled by measuring the rate over a known interval so the conversation is about a number instead of an impression.

Models

Chevrolet models we work on

The range we see most from Royal Oak drivers.

  • Silverado
  • Equinox
  • Traverse
  • Malibu
  • Tahoe
  • Suburban
  • Colorado
  • Trax
  • Blazer
  • Camaro
  • Impala
  • and older models too

Questions

Chevrolet questions

My Chevy V8 has developed a tick. What is it?
Most likely an Active Fuel Management lifter. It is a well documented failure on the 5.3 and 6.2. Acting at the tick stage keeps it to lifters. Waiting until it runs badly usually means the camshaft too.
Why does my Equinox use so much oil?
The 2.4 Ecotec has a known consumption issue involving the rings and the PCV system. We measure the real rate over a documented interval so the decision is based on a number rather than an impression.
Is the transmission shudder expensive to fix?
Often not. The 8L90 shudder frequently responds to a full fluid exchange with the updated specification fluid. That is the first thing to try, and we will tell you honestly if the car is past that.
Do you service Silverado work trucks?
Yes, including fleet accounts. Priority scheduling, one invoice itemized by vehicle, and a written service history for every unit.

Book It

Get the tick diagnosed

29444 Woodward Ave, Royal Oak. A V8 tick is the one Chevrolet fault worth acting on immediately. Free written estimate and a straight answer.

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