How to replace the exhaust pipe of the gas exhaust system of a Gazelle car

Replacing downpipes with engines ZMZ-4025, 4061, 4026, 4063

It is more convenient to work together on a viewing ditch or a lift

Remove the engine mudguard and the exhaust system resonator.

With a “14” head, we unscrew the locknuts and nuts securing the exhaust pipes to the manifold.

One of the nuts can only be unscrewed with a 14" spanner.

With the keys "12" and "13" we unscrew the bolt securing the exhaust pipes to the gearbox bracket

Using the “13” key, we unscrew the two nuts of the clamp securing the intake pipe to the resonator.

Disconnect the pipe from the manifold.

Remove the gasket from the manifold studs

When installing pipes, we replace the gasket.

Outside, we recommend painting the entire exhaust system with heat-resistant paint.

Replacing the intake pipe with engines ZMZ-40522 and ZMZ-40524

Disconnect the oxygen concentration sensor (lambda probe) harness connector

While holding the bolts from turning, unscrew the nuts of the two bolts securing the catalytic converter to the downpipe and remove the bolts.

Unscrew the converter from the exhaust pipe, remove the gasket

Remove the four nuts securing the downpipe to the exhaust manifold

Remove downpipe

Remove the gasket

Install parts in reverse order