On 2018-2019 Toyota Camry and 2019 Avalon vehicles equipped with a 2GR-FKS engine, technicians may observe that the bank 1 (rear) exhaust manifold may be missing a stud and nut.

The repair manual shows that, as per design intent, the exhaust manifold is NOT missing this stud and nut. Even if it certainly looks like a stud and nut are missing, Toyota states that you should NOT attempt to add a stud and nut to the upper left manifold flange hole location.

Even though the flange features five holes, only four are installed intentionally.

This illustration shows the “missing” stud location. -

This illustration shows the “missing” stud location.

This photograph clearly shows the empty flange hole adjacent to the exhaust manifold sensor. -

This photograph clearly shows the empty flange hole adjacent to the exhaust manifold sensor.

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