CriticalVery commonBody & Rust

Nissan Terrano: WD21 chassis rail, rear crossmember and body-mount rot

WD21 chassis rail, rear crossmember and body-mount rot is a very common body & rust fault on the Nissan Terrano on the 1986–1995 cars, and we rate it critical. Putting it right costs $1,500 to $6,000 at New Zealand independent workshop rates. Below is what goes wrong, the symptoms to notice on a test drive, where to look, and what to ask the seller before you hand over any money. It is one of 5 documented faults on the Nissan Terrano.

Vehicle: Nissan Terrano
Years: 1986–1995
System: Body & Rust

This page covers the Nissan Terrano as a model. Some faults only affect particular engines or build years — enter a plate below to narrow the list to one car.

All Nissan Terrano faults5 documented faults on this model

What you are looking at

No photograph available

We do not hold a verified photograph of the Chassis and structural rust yet. We would rather show none than show a picture of a different part.

What goes wrong

The WD21 Terrano has a separate ladder chassis, and after 30-plus years on New Zealand roads the rails, the rear crossmember and the rubber-cushioned body mounts are the parts that end the car rather than the engine. Mud and road salt pack into the boxed sections and rot them from the inside out, so a rail can look painted and solid from below while the metal above it has gone. A rusted body mount lets the cab move on the chassis, which shows up as doors that no longer line up and a rattle over bumps. Repairs run from a couple of patched sections to a chassis that cannot be certified, and a badly patched truck usually costs more to put right than a clean one costs to buy.

What you would notice

Flaky or bubbling metal along the chassis rails behind the front wheels
Doors and tailgate that no longer line up with their openings
Clunk or shudder from under the cab over bumps
Fresh underseal or paint on an otherwise tired underside

How to check it

Where to look. Chassis rails under both sills, rear crossmember behind the back axle, body mounts where the cab sits on the chassis, rear wheel arch lips

Crouch at each wheel and shine your phone torch along the chassis rail, then at the rear crossmember behind the back axle. You are looking for flaking layers, holes, or a section that looks freshly painted or undersealed when nothing else does — fresh underseal on an old truck is usually hiding something. Press firmly with a thumb where the rail meets the rear spring hanger; sound metal does not give. Open and shut both doors and the tailgate and look at the gaps — uneven gaps often mean the body mounts have collapsed. Ask to see the last two WOF sheets and check for any structural advisory. If a workshop inspection is possible: have the truck put on a hoist and the rails and crossmember tapped along their length, and ask for a written opinion on whether any corrosion is structural.

Parts involved: Chassis and structural rust.

What it costs to put right

$1,500 to $6,000 at New Zealand independent workshop rates. That is for this job on its own, not for the car.

An estimate, in NZD, for the repair as normally carried out. What a specific car costs depends on which part has failed and what it damaged on the way — treat this as the floor for a negotiation, not a quote.

Ask the seller

“Has the chassis ever been repaired, patched or welded?”
“Has it ever failed a WOF for corrosion?”
“Has this truck lived near the coast or been used on the beach?”

Now check the Nissan Terrano you are actually looking at

Everything above is true of the model, and it is free. What it does not tell you is whether THIS car has been looked after: its odometer history and whether the reading has ever gone backwards, whether there is still money owing on it, whether it has been reported stolen, how many owners it has had and what it is really worth today. That comes from the official records for that plate. Enter the plate for the free details, or get the full history and a market valuation from $13.49.

Not sure what you would be paying for? See what a full KickTyres check includes.

Where this comes from

The failure described above is documented in the sources below. The inspection instructions and the cost estimate are KickTyres’ own interpretation of them.

JDMBUYSELL Nissan Terrano WD21 buyer's guide
Nissan 4x4 Owners Club — Terrano / Ford Maverick forum, WD21 owner threads

Nissan Terrano buyer questions

Is wd21 chassis rail, rear crossmember and body-mount rot serious on a Nissan Terrano?

We rate it critical and very common on the Nissan Terrano. The WD21 Terrano has a separate ladder chassis, and after 30-plus years on New Zealand roads the rails, the rear crossmember and the rubber-cushioned body mounts are the parts that end the car rather than the engine. Mud and road salt pack into the boxed sections and rot them from the inside out, so a rail can look painted and solid from below while the metal above it has gone. A rusted body mount lets the cab move on the chassis, which shows up as doors that no longer line up and a rattle over bumps. Repairs run from a couple of patched sections to a chassis that cannot be certified, and a badly patched truck usually costs more to put right than a clean one costs to buy.

How much does it cost to fix on a Nissan Terrano?

$1,500 to $6,000 at New Zealand independent workshop rates. That figure is for this job on its own. A car showing the symptoms on this page is usually worth either walking away from or negotiating down by at least the repair figure.

Which Nissan Terrano years are affected?

Our research records this fault on the 1986–1995 Nissan Terrano. Build dates move around, especially on imported cars, so treat the range as the years to look hardest at rather than a guarantee either way. The official records tell you the exact build and first registration date for the car in front of you.