Volvo 700 » Heating & Cooling

Especially critical for turbo intercooled models operating in warm/hot conditions

If your Volvo s heater and air conditioner blower is noisy or doesn t work at all, it s time for a new blower motor. Keep your windows clear and interior comfortable no matter what the season! We suggest checking the fan motor on your 1983-87 700 series before ordering. Many of these cars have alr

Solves that annoying little problem of ventilation system vents closing when under hard throttle load. Keywords: ACC ventilation system check valve

As your Volvo approaches the upper eschilon in milage, fan clutch failures become more common. If you don't hear the high flow whoosh of the fan clutch engaging occasionally and are experiencing cooling problems, especially at low speeds, you should have the fan clutch checked.

Heater not functioning correctly? Your heater control valve may be at fault.

As these models age, we are seeing an increasing number of heater core failures. When the core fails, you’ll get anti-freeze vapor out of the interior vents. Especially noticeable when the defroster is used. Left unrepaired, this can also lead to serious corrosion problems in the floor pan. This is

Hose friendly clamps

When replacing a faulty radiator keep in mind the stress put on the other heating/cooling components. The overflow bottle caps have a pressure rating and it is important to match the correct cap with the radiator. We do not recommend using the higher pressure (gray, green or white 150 KPa) caps as

This aluminum flex hose often gets torn and ends up hanging from the left side of the engine compartment. The purpose of this hose, when hooked to the heat riser pipe on the exhaust, is to route warm air to the air filter box. This is especially useful in colder climates because it helps speed the w

When you examine your cooling system, be sure to check your hoses for cracking or other damage. Look and feel for unusual bulges or swelling. Hoses should be soft and pliable to avoid placing stress on your radiator, which can lead to expensive repairs. Due to the high heat they're exposed to, many

Years of normal operation can induce conditions that gradually reduce the cooling efficiency of the radiator. One condition is caused by a build-up of road grime on the front side of the radiator. This is a very common problem on cars equipped with AC and is not visible as the AC condenser obstruct

The engine thermostat keeps the engine coolant at an optimal temperature for maximum engine efficiency. Extreme seasonal temperature fluctuations can kill a thermostat in a short time. Keep a spare in the trunk and an eye on your temperature gauge.

Don't neglect engine V-belts. These simple items rotate thousands of times each time you take your 700 series out for a drive. Check periodically for visible cracks and glazing of the V surfaces. You don't want to have a belt break at an inopportune time. Some applications have more variances than

If your water pump leaks from the small weep hole at the base of the bearing area it’s time for a new pump. If it’s leaking from a seal or gasket our handy seal kits will usually solve the problem. Severely corroded or rusted sealing surfaces should be cleaned or replaced.

The water pump is a key component of your cooling system, anytime of year. While most people don't replace the pump as a matter of maintenance, when one is needed, rest assured our forty five years of experience will get you the most reliable pump available.