Parts for your 1986 Suzuki Jimny-Exhaust mount

1986 Suzuki Jimny Exhaust Mounts — What They Do and How to Look After Them

Technical sources confirm that exhaust mounts are absolutely used on the 1986 Suzuki Jimny (SJ410/SJ413). The Suzuki SJ410/SJ413 factory service manuals and Electronic Parts Catalogue list multiple “muffler hangers” and rubber insulators that suspend the pipework and silencer from the chassis. Independent guides like the Haynes Suzuki SJ410 & SJ413 manual also describe inspection and replacement of these rubber mounts during exhaust service.

On a 1986 Jimny, the exhaust mounts are those chunky rubber isolators that cradle the muffler and tailpipe, keeping the system aligned while soaking up vibration. They stop the exhaust from knocking on crossmembers, protect the manifold and joints from stress, and keep cabin noise in check. When the rubbers harden, crack, or stretch, the exhaust can sag or bang over bumps, which isn’t just annoying — it can fatigue studs, split welds, and cook nearby bushes or brake hoses.

As part of routine servicing, it’s smart to inspect the mounts every 10,000–15,000 km or once a year, and any time the vehicle has tackled corrugations or off-road work. Look for:

• Cracks, perishing, or delamination in the rubber
• Exhaust sitting off-centre in the bumper cut-out or hanging low
• Clunks on start-up, over speed humps, or when shifting load
• Visible witness marks where the system has tapped the chassis

Replacement is straightforward with the right prep. Support the exhaust so there’s no strain on the manifold. Soak old fasteners and hangers with penetrating oil. Use silicone spray or soapy water to slide the rubber donuts off the pegs. Refit new OE-style rubbers in the same positions, then gently settle the system so there’s even clearance around the axle, tank, and body. Tighten fasteners to the specs in the Jimny’s service manual and recheck for rattles once hot.

Choosing parts? Good-quality rubber mounts are ideal for daily and touring use. Polyurethane options are tougher and resist heat and oil better, but can transmit a touch more vibration into the cabin — fine for a lifted or hard-used truck, less necessary for a stock-runabout. Replacing mounts in pairs (or all at once) helps keep the exhaust sitting true and prevents one tired hanger from overworking the rest.

If the Jimny’s exhaust still knocks after new mounts, check for bent brackets, split welds, or a twisted rear section from a previous hit. A small tweak at a reputable exhaust shop usually sorts it.

Popular questions about 1986 Suzuki Jimny exhaust mounts

How often should the exhaust mounts be replaced?
There’s no fixed interval, but on an older Jimny it’s wise to inspect yearly and plan on replacement every few years, sooner if it sees plenty of off-road or corrugated travel. Heat, oil mist, and UV all age the rubber.

Are polyurethane mounts worth it on an SJ410/SJ413?
They’re a good pick if the Jimny is lifted, carries extra weight, or hits the tracks often. Poly mounts resist sag and tearing better. For a stock daily, quality rubber usually gives the nicest refinement.

What are the signs an exhaust mount has failed?
Look for a sagging tailpipe, uneven muffler height, thumps over bumps, or fresh scuff marks on the chassis. You might also notice a buzz at idle where the pipe just kisses a bracket.