![]() If your core is corroded, this may be enough to cause it to fail and leak. For Eric, this worked fine and eliminated the need to replace the core. If your core is badly clogged, it will take a few seconds for the pulsations to blast away the deposits. ![]() Insert the small pipe in the heater inlet hose, place the Drain King in the open end of the pipe, and turn on the water. Glue the parts together so that the open 2 inch pipe terminates in the 5/8 inch pipe. Buy the parts (Drain King, 2 inch PVC pipe about a foot long, a 5/8 inch short pipe, a joining fitting and a tube of adhesive) at a local hardware store. For clogged heater cores, you can fabricate a PVC pipe, one end of which contains a "Drain King" pulsating drain declogger and the other end fits into the heater hose. If you fail to change antifreeze, your heater core can clog with deposits. Run the engine and draw vacuum: gases will rise from the coolant in the reservoir, exit via your hose through the reservoir cap, enter your test chamber by bubbling through the fluid, and if it turns yellow you have an exhaust leak into the coolant. Seal the coolant reservoir top with an old reservoir cap through which you have glued the sampling hose. Place a short tube on the other side of the bottle cap to extend down into the fluid to force the gases to draw through the fluid. Place one vacuum tube on your Mityvac or on a source of engine vacuum to pull gases through the bottle. Fill the bottle part way with Lisle testing fluid 75630 for gasoline engines. Mityvac has a fluid transfer bottle in their vacuum pump kits (pictured) or you can make one using a small jar and a lid with hoses through it. If you suspect a head gasket leak resulting in combustion gases entering your coolant, you can test for this using special test fluid which turns from blue to yellow in the presence of exhaust gases. Since the brake reservoir has the same type orifice, it can also be used to pressure bleed the clutch and brakes. I connect a $5.00 bicycle pump (with built in pressure gauge) to the cap and presto. When I need to use it, I take the gasket out of the coolant reservoir cap and use it in my pressure cap. If you don't have such a cap, then an old coolant reservoir cap should work even better. Then I bought $1.00 worth of tank valves and screwed one into it. Here's what I've rigged up for both pressure testing the cooling system and bleeding the clutch and brakes: I found an old bottle cap that has the same threads as the coolant reservoir. SPX/OTC Tools: (makers of Volvo special tools, available through dealers).See the following links for a variety of special-purpose tools for Volvo cars: The thumbnail images below link to larger images to save download time: click the image to open the link. Pre-Pump and Fuel Tank Sending Unit Removal ToolsĮxternal Temperature Indicator Lamp Replacement Tool ![]() The Registered Trademarks and Tradenames that appear throughout this catalog are used with permission of the registered owners and are the sole properly of the Registered Owners.VOC Home | FAQ Home Volvo Special Tool Designs Report any errors to color of the items shown on the webcat may differ significantly from the actual product due to the quality and condition of your computer monitor. However, product details and images are subject to change without notice. The data in this website is presumed to be correct at the time of publishing. Please contact your Dealer for current prices.Ĭornwell reserves the right to discontinue or make changes in design and construction of any and all products listed in this catalog without incurring any obligation to make such changes in products previously sold or transferred. Prices are subject to change and may not be accurate at time of viewing. Pricing downloaded to the dealer' business system is the most current. Not responsible for typographical errors. Pricing listed on the webcat is Cornwell Quality Tools Suggested Retail Price.
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