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#1
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1979 240D Need Help Please
132,000 miles original.
Car over heated on the highway, a few nights back, did not drive it long. Today Changed thermostat. Ran car around block, alot of white/ light blue smoke during start up. (never smoked at all before) Runs a little rough too at idle now(just lubro mollied and changed filters less than 200 miles ago) Car over heated in one mile of 25mph driving. No oil in coolant and not coolant in oil that I can tell. No leaks otherwise, coolant level good. Any thoughts please. Need groups help!/Tom |
#2
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Do a compression test to see if the head gasket decided to go.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K |
#3
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Compression test
Method please, I have a compression tester
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#4
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Must be a diesel compression tester, not a gasser one. Remove either injector or glow plug. Insert compression tester. Turn engine over with a vacuum pulled on shut off valve, or shut off lever depressed, or fuel line removed or air access plugged to stop engine from starting.
Report results. I'd say a high probabiblity of failed headgasket.
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1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13 |
#5
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Could have scored a piston/cylinder by running it too hot too long. An indication of this would be a lot of blow-by out of the valve cover breather. The compression would also be lower in that cylinder. You should never drive a car if it overheats. Pulling it off the road and letting it cool is the safest bet.
Also, never add coolant to a hot engine low on coolant. You can easily crack the head or block. |
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