Parts for your 1991 Suzuki Jimny-Drive belt

1991 Suzuki Jimny Drive Belt — What it does and how to look after it

Yes, the 1991 Suzuki Jimny does use a drive belt. Factory and aftermarket manuals for the SJ410/SJ413 and JA11-era Jimny — including the Suzuki workshop manual, the Haynes Suzuki SJ & Samurai (1982–1998), and the Gregory’s/Max Ellery Australian guides — all show a belt-driven accessory system that turns the alternator and, depending on spec, the water pump, mechanical cooling fan, power steering pump, and air‑con compressor. It’s not the engine’s timing belt (where fitted), this is the external accessory drive belt often called the fan belt or serpentine/V-belt.

On a 1991 Jimny, the drive belt’s core job is to transfer crankshaft rotation to key accessories so the battery stays charged and the engine keeps its cool. Many Jimnys of this era run a single V-belt for alternator and water pump (with the fan mounted to the water pump hub). Models with A/C or power steering may use an extra belt. If the belt slips or snaps, charging stops and coolant flow can drop away, which is why belt condition matters.

For servicing, the belt should be inspected at every service interval. Typical practice in Australia and New Zealand is to check tension and condition every 10,000–15,000 km and replace the belt every 4–5 years or around 60,000–80,000 km, sooner if there’s any doubt. Always follow the specs in the relevant workshop manual for tension, as a rule of thumb, there should be modest deflection on the longest run, and no chirping on cold start.

• What to look for: cracks across the ribs, fraying, glazing/shiny patches, missing chunks, or squeal under load.
• Good practice: replace belts in pairs if multiple belts run the same accessory, and spin the pulleys by hand to feel for rough bearings.
• Tools and setup: loosening the alternator pivot and adjuster bolts with common spanner sizes usually does the trick, tension after fitting and recheck after the first few hundred kilometres.
• Parts choice: quality branded belts sized for the exact engine and accessory combo (with/without A/C or power steering) are worth it, belt lengths vary by setup.

These details align with period Suzuki and Haynes/Gregory’s guidance for SJ/Jimny models around 1991, confirming the drive belt is a normal, serviceable item on this vehicle.

Does a 1991 Jimny use one belt or multiple?

Most 1991 Jimnys without A/C or power steering run a single V-belt for the alternator and water pump (with a mechanical fan on the pump). Versions with A/C and/or power steering often add a second belt. The exact layout depends on engine and factory options.

How often should the drive belt be replaced?

Inspect every service and replace roughly every 4–5 years or 60,000–80,000 km in local conditions, earlier if there’s cracking, glazing, squeal, or edge wear. Always follow the workshop manual and err on the safe side for older belts.

What belt size does it take?

Belt length varies with engine, pulley sizes, and whether A/C or power steering is fitted. The safest approach is to order by VIN/engine code and accessory setup, or measure the existing belt if it’s known to be correct.