Thread: 80 300D(non turbo) Overheating?
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Old 06-30-2004, 09:47 AM
TonyFromWestOz's Avatar
TonyFromWestOz TonyFromWestOz is offline
"The Wizard of Oz"
  
Join Date: Jan 2004
Location: Perth, Western Australia
Posts: 834
This sounds like he needs to adjust the alternator belt, which IIRC also drives the fan/water pump.
If it is not tight, the alternator will not be able to output full current, and at low output, may cause the CHG light to come on intermittently.
If it slips when the fan cluch operates, the fan will not cool the radiator AND the water pump would not spin fast enough to circulate the coolant properly, exacerbating the overheating problem.

If the belt shows any sign of wear/damage, replace the fanbelt at that time. It is much more comfortable to replace at home in the workshop than on the side of the freeway while taking the family on an outing.
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Tony from West Oz.
Fatmobile 3 84 300D 295kkm Silver grey/Blue int. 2 tank WVO - Recipient of TurboDesel engine.
Josephine '82 300D 390kkm White/Palamino int.
Elizabeth '81 280E, sporting a '79 300D engine.
Lucille '87 W124 300D non-turbo 6 cylinder OM603, Pearl Grey with light grey interior


Various parts cars including 280E, 230C & 300D in various states of disassembly.
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