Parts for your 2000 Toyota Crown-Exhaust mount

2000 Toyota Crown exhaust mount — what it does and how to look after it

Based on Toyota’s technical literature, an exhaust mount is absolutely used on the 2000 Toyota Crown (S170 series). The Toyota Electronic Parts Catalogue for the S170 Crown lists multiple “Insulator, Exhaust Pipe Support” pieces along the system, and the Crown S170 Repair Manual’s Exhaust Pipe section details fitting and inspection of these rubber hangers. That makes the exhaust mount a relevant, serviceable item on this model.

On the Crown, the exhaust mounts (also called hangers or insulators) suspend the exhaust from the body, isolating vibration and keeping the pipe and mufflers correctly aligned. They stop knocks over bumps, protect the manifold and catalytic converter from stress, and maintain sensor and flange alignment so the straight-six or V8 (depending on trim) breathes as it should. In short, they keep the big, hot, heavy exhaust where it belongs, quietly and safely.

As rubber parts living near heat, they harden, crack, or stretch over time. It’s smart to check them at regular services, especially after 100,000–150,000 km or any time there’s a rattle. Common signs include:

• Thumps or rattles from under the car, especially on start-up or over speed humps
• Sagging tailpipe or muffler sitting off-centre in the bumper cut-out
• Visible perishing, splits, or shiny witness marks where the exhaust has been touching
• Excess movement when the tailpipe is lightly shaken by hand (engine off, cold)

Replacement is straightforward with the right approach. Always work on a cool exhaust and support the pipe with a stand before removing old mounts. A spritz of silicone spray helps slide the rubber off the hooks, avoid petroleum-based products that attack rubber. Fit quality OEM or OEM-equivalent EPDM mounts—cheap, soft rubbers don’t last in Aussie and Kiwi heat. It’s wise to replace mounts in pairs or as a set on the affected section so the system sits square.

After fitting, ensure there’s even clearance around heat shields, crossmembers and the rear bumper, and that no part of the system is pre-loaded or twisted. If a mount has failed due to a seized hanger pin or bent bracket, sort that out at the same time. Keeping the Crown’s exhaust mounts fresh is a small job that pays off with quieter running, fewer cabin vibrations, and less strain on gaskets and welds down the track.

• Tip: During routine servicing, a quick underbody look for perished rubbers and contact marks is cheap insurance.

Popular questions on 2000 Toyota Crown exhaust mounts

How many exhaust mounts does a 2000 Toyota Crown have?
Most S170 Crowns run several rubber insulators from the front pipe to the rear muffler—typically three to five depending on engine and exhaust layout. The exact count varies by trim and market, but there are usually at least two around the centre and rear sections to keep the system aligned.

What causes exhaust mounts to fail on a Crown?
Age, heat, and road grime slowly harden and crack the rubber. Oil contamination, bottoming out the exhaust on steep driveways, or a slightly misaligned aftermarket section can speed things up. Once a mount stretches or splits, extra movement can quickly take out the neighbouring mounts.

Can universal hangers be used on a 2000 Crown?
Universal hangers can work in a pinch, but choosing a mount with the correct length and durometer (stiffness) matters. If the rubber is too soft or too long, the exhaust will sag or knock, too firm and it can transmit vibration. OEM or OEM-spec parts are the safe bet for fit and NVH on the Crown.