Parts for your 2004 Nissan Serena-Exhaust mount

2004 Nissan Serena Exhaust Mounts: What They Do and When to Replace

Yes, the 2004 Nissan Serena (C24) uses exhaust mounts. Technical sources including the Nissan Serena C24 factory service manual (EM – Exhaust System) and the Nissan FAST parts catalogue specify multiple rubber exhaust mounting insulators and brackets that suspend the front pipe, centre section and rear muffler. So an exhaust-mount is absolutely relevant to this model.

On the Serena, exhaust mounts (also called hangers or insulators) are the small but mighty rubber bits that hold the exhaust system up while isolating vibration. They let the exhaust move a touch as the driveline twists, the body flexes, and heat makes the pipes expand, but they keep everything clear of the subframe, rear bumper and underbody. When they age or perish, the exhaust can sag, rattle, or knock—never a good look and not ideal for a WOF or RWC.

What owners tend to notice when mounts are on the way out:

• Rattles or thumps over bumps, especially from the rear.
• Visible sagging muffler or tailpipe sitting off-centre.
• Perished, cracked or oil-soaked rubber hangers.
• More cabin buzz or exhaust drone at certain revs.
• Exhaust touching heat shields or crossmembers.

Easy service tips for Serena exhaust mounts:

• Inspect at every service or 10,000–15,000 km—look for cracks, tearing or elongation of the holes.
• Replace in pairs or as a set if there’s notable sag to keep the system level.
• Support the exhaust with a jack or stand before popping hangers off, a dab of silicone spray helps them slide.
• Choose quality high-temp rubber or polyurethane hangers, avoid ultra-stiff items that transmit vibration.
• Check brackets and heat shields for cracks and loose fasteners while you’re there.
• After fitting, ensure 10–20 mm clearance from the body and shields through the full hang—wiggle test it.

For most Serena C24s, expect several mounts: typically one near the front pipe bracket, one around the centre resonator, and two at the rear muffler. If the van is used for towing or loaded family trips, mounts work harder and may need earlier replacement. A fresh set of hangers keeps the exhaust secure, quiet and compliant, and helps protect flex joints and flanges from undue stress.

Popular questions about 2004 Nissan Serena exhaust mounts

How many exhaust mounts does a 2004 Serena have?
Most C24 Serenas run three to five mounting points depending on engine and exhaust layout—commonly one up front, one mid, and a pair at the rear muffler. Always match what’s on the vehicle when ordering.

Can universal exhaust hangers be used on a Serena?
Yes, many universal rubber hangers fit, but getting the right length and hole spacing matters. Too short = harsh vibration, too long = sag. Vehicle-specific hangers often make fit-up quicker and alignment spot on.

How often should exhaust mounts be replaced?
There’s no fixed interval. Inspect every service, replace at the first sign of cracking, hardening, or when the exhaust sits off-centre or knocks. High-heat, coastal use, and oil contamination shorten their life.