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Volvo Fan Won't Turn Off

The proper way to access these final two screws is to remove the right wiper, allowing you to move the plastic shield enough to access this rear screw. If incorrectly installed, an air pocket will form in the thermostat housing causing a reduction of cooling abilities. The paper gasket usually sticks to the block pretty hard. Volvo fan won't turn off fire. BEFORE you do anything CHECK FUSE NO. Luckily I caught the leak early and what I did was clean the water pump seal area and applied a thin coat of Permatex High temperature silicone rtv gasket maker around the seal (the gray silicone shown in the photo at right). Clean the metal hose flange and the underside of the head with fine sandpaper, mild Scotchbrite, copper wool, or a brass brush, NOT steel wool.

Volvo Fan Won't Turn Off Heater

The new Cooling Fan Relay is installed by lining up the pins and pressing it into the connection. Today's bimetal cast iron/aluminum engines and aluminum radiators can create conditions that set up an electrical current in the coolant. Use wire ties where appropriate. Another wire was soldered to the remaining pigtail and then brought to the switched cigar hot wire. Test the switch operation with the ohmmeter range on a multimeter: when the float is at the bottom of the switch (corresponding to loss-of-coolant) the switch should close and complete the circuit, reducing resistance from infinite to zero. If you don't have that module under the hood, or the fan didn't shut off,... find the cooling fan switch, it's item 24 on the diagram on my post far above, screwed into the radiator between the upper and lower radiator hoses. Test specs: 12 psi(85 kPa) for up to 1986 cars; 22 psi (150 kPa) for 1987+ cars with B2XX engines. Why Replace the Thermostat? Fan Stayed On After Engine Off. There is a "Low Coolant" lamp position already in the row of panel warning lamps. Response 1:] Before you go any further you should wash out your radiator to clear it of any accumulation of bugs and dirt. Note: Dick Riess contributed a plan for an easier-to-install warning light using a dash switch cutout instead of the panel. Position then I would have to pull (just for a second) the left fuse in the panel sitting on the battery or disconnect the battery (just for a second).

Volvo Fan Won't Turn Off Heat

To test for electrolysis, connect the negative probe of a digital D. C. voltmeter to the battery's negative post. You do not want an all metal radiator in your 960/90 series car. If this does not work, use JB Weld to fill the them out a little with a dental burr or smallest carbide bit you can find and a Dremel tool, then use JB Weld, and file/grind smooth. They also hold the pulley. While keeping leverage pressure on the pump, tighten the rest of the bolts in a star pattern to 8-10 ft-lb (11-15 Nm. Could it be leaking outboard of the exhaust valves and vaporizing in the manifold? Web site is (2) Less expensive is the version from McMaster-Carr (part number 50195K74 for $19. 3 volts) can cause damage to metal surfaces (especially aluminum). There are some very good explainations on google. If you find a trace of leaking coolant at this point, you remove the hose and. I turned the ignition to the second position and immediately the fan shut off. Thanks again.. My husband did take it to the shop to have someone look at it, the estimate was.. Volvo fan won't turn off radio. to have both the switch and module fixed it would be $485. Next choice: Bottled water (like the type at a grocery store).

Volvo Fan Won't Turn Off For No Reason

Replaced and running perfectly. That should get rid of most of. Volvo fan won't turn off heat. But don't rev the engine, as the garden hose usually can't keep up with the pump's needs, and you'll get pump cavitation. I then sprayed out the radiator fins from the engine side out. It takes some patience. I) Snake the other end of the wire up to the firewall harness and to the lower firewall rubber wiring conduit just behind the driver strut tower.

Volvo Fan Won't Turn Off Fire

See the FAQ File with more technical information about coolants. 30v for cast iron blocks needs further study]. From beneath, remove the splash shield and loosen the bottom power steering pump mounting nut and bolt (this is almost impossible to loosen from above). I made sure the leading edge (closest to the radiator) was not resting on the fan shroud. I am hoping if it happens again and with the info you helped with this would be something we could fix ourselves. Now, they last a long time. BUT it's a b*tch to remove next time around. Use a thin tool (such as a putty knife) to straighten the bent fins on both radiators.

Volvo Fan Won't Turn Off Radio

The electrical type of electrolysis is much more destructive and is caused by faulty electrical components that deliver stray current (over 0. It's not a matter of if this will happen, only when. Brickboard consensus is that the strong points in the cooling system are the OEM hoses; the weakest point is definitely the heater water valve; and the plastic radiator side tanks are in between. I like to use a touch of (red) RTV on the top O-ring and on the heater pipe O-ring. Finally, you can purchase a new housing for less than $20. Is this an air controlled on/off fan or is it a variable speed electric fan? When the voltage reading drops to zero, you've pinpointed the electrical component with the defective or missing ground. All you will get with a short circuit is an illuminated lamp. Response: Dave the Volvo Tech] I use a dab (as in a little dab'l do ya) of wheel bearing grease to lube the hole for the tube/o-ring on the back and smear a little grease on the top seal.

Volvo Fan Won't Turn Off Car

The one below plug two is actually removable in order to insert a block heater, in fact these plugs and block heaters both corrode with equal regularity (about once every 150, 000-250, 000 kms) and fall out causing loss of coolant and if not detected, overheating... a quick and inexpensive repair in either case unless, of course, not detected in time. Cracks and striations tend to form near the ends of the hose that eventually eat through from the inside out causing the hose to fail. Or, if it's an older car and the owner wants the lowest-cost radiator, you might procure a soldered-together copper-brass unit. Every eight years, at the.

A small straight screwdriver tip cap get around the bolts. There are two pressure sensors together on the bottom end rail of the AC condenser (passenger side, behind the bumper skirt). Insert the wire leads into the tank's wiring connector holder on the bottom. It's an original Volvo item, made by Aisin. There are four small bolts (10mm) that hold the fan to the water pump hub. And throw away the old thermostat -- treat the car to a new one and its gasket, after all this effort, it deserves it. There a several plastic clips that hold the heater hoses away from pipes to avoid abrasion; if you break one, the p/n is 6848221-5, costing about $2 each. You will see the edge of the hose port, before the blade touches it. Also since the system is drained, changing the thermostat (if it's been a while) is good insurance.

Fri, 14 Jun 2024 08:34:42 +0000