See 960 FAQ file for information on failing Look for crumbled insulation or charring. Seal at the top of the valve cover and a big boot at the spark plug.ĭo NOT disconnect coil wires. A little twisting may help as there is an "O" ring Pair of 10mm bolts (A and B in the illustration. The plugs are on the middleĬover off, number the coil packs with a magic marker 1 - 6 front to back so How do I change the spark plugs on my 960? For more information about leaking blocks, see the link. Do not under any circumstances use orange Dexcool or "all applications" coolants. Use ONLY Volvo Type C blue coolant and distilled water. This aluminum engine is subject to electrogalvanic corrosion and coolant breakdown, so make sure you change the coolant every three years or so. Contrary to your owner's manual, the coolant is NOT "lifetime" and has to be replaced. Consensus opinion is that these are due to failure to change coolant regularly and to use the proper coolant. Many of these failures are in low mileage, late model B6304 engines. Lots of reports of leaking, porous blocks are appearing in Vovo enthusiast sites such as Brickboard. It's a small yellow 'dipstick' that's way down there, if lookingĬoolant Replacement. Warren Bain] It's accessed from below on the drivers side. Level on a 1997 Volvo 960? (I've looked everywhere for the dip stick) [Response: Transmission and heating-air conditioning.] [Editor's Note: See specific functional areasįor more information about particular 960/90 systems, including automatic Transmission Lights Flash, Cylinders Quit: Bad Groundĭriveability Problems: Rotten Battery Cablesĭriveline Noise: Failing Grease Seal at Rear of Driveshaft Oil Pressure Problems: Failing Oil Relief Pistonĩ60 Engine Won't Start: Loose Starter BoltĮngine Stalls and Won't Restart: Wiring Harness VOC Home | FAQ Home Volvo 960, S90 and V90 Information and MaintenanceĬoolant Loss: Coolant Reservoir Cap at Fault
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