Parts for your 1991 Nissan Primera-Head gasket

1991 Nissan Primera Head Gasket — Purpose, Service Advice, and FAQs

Yes, a head gasket is fitted to the 1991 Nissan Primera (P10). This is documented in the Nissan Primera P10 Factory Service Manual (Engine Mechanical section) for GA16DE, SR20DE and CD20 engines, the Nissan FAST electronic parts catalogue under the cylinder head group, and widely supported by aftermarket catalogues from brands like Payen, Victor Reinz and Fel‑Pro that list direct-fit gaskets for this model.

On a 1991 Primera, the head gasket lives between the cylinder head and engine block, sealing combustion pressure while keeping oil and coolant in their own passages. It’s the thin but critical sandwich that lets the engine build compression without letting fluids mix. Whether it’s the chain-driven GA16DE/SR20DE petrol or the CD20 diesel, the gasket’s job is the same: keep it sealed, keep it cool, and keep it clean.

They don’t have a fixed service interval, but good servicing habits go a long way. Overheating is the head gasket’s worst enemy, so staying on top of the cooling system is key: fresh, correct-spec coolant, a healthy radiator, hoses that aren’t perished, and a thermostat and water pump that do what they should. Use the right long‑life coolant mix, bleed the system properly after any work, and fix any detonation or lean running issues promptly.

• Common warning signs: persistent white exhaust steam, unexplained coolant loss, oily “mayonnaise” under the oil cap, bubbles in the expansion bottle, over-pressurised hoses, misfires on cold start, or overheating under load.
• Avoid “stop‑leak” quick fixes — they can clog heaters and radiators and make proper repairs harder.

If replacement’s on the cards, the smart play is quality parts and the correct procedure. Use a reputable MLS or OE‑equivalent gasket, fit new head bolts (most are torque‑to‑yield), and follow the FSM torque and angle sequence to the letter. Have the head checked and skimmed if out of flat, and inspect the block deck for damage. With the head off, it’s a neat time to refresh the thermostat, coolant, rocker cover gasket, and timing components (chain guides/tensioner on petrol, belt and tensioner on CD20). Clean mating surfaces meticulously, change the oil and filter afterwards, and verify there’s no combustion gas in the cooling system on first heat cycles. A careful job here means many more carefree kilometres under the bonnet.

FAQs

Does the 1991 Nissan Primera have a head gasket?
Yes. Factory documentation for the P10 (FSM and Nissan FAST EPC) shows a conventional cylinder head gasket and the specified torque sequence for GA16DE, SR20DE and CD20 engines.

What are the signs of a blown head gasket on a 1991 Primera?
Look for white steam from the exhaust, unexplained coolant loss, milky residue in the oil, bubbling in the expansion bottle, overheating, or a sweet coolant smell. A compression or leak-down test, and a chemical block test for combustion gases in the coolant, help confirm it.

How much does a head gasket job cost in AU/NZ?
Ballpark: parts $200–$600, machining $150–$400, and 8–15 hours of labour depending on engine and workshop rates. All up, many pay roughly $1,200–$3,000 AUD/NZD. Condition of the head, timing gear, and “while you’re there” items can nudge that up or down.