W've been having cold start problems since December (when we bought our 83 300tdt). Today it's 64 degrees and it STILL won't start. My husband has been getting up around 2 every morning to warm it so that it will start in the morning. Last night we kept it in the garage, it didn't get below 45 last night; Cranks maybe fifteen times, drains the battery, has to charge, etc. The plugs are new, they're getting 12 volts from the relay. The light only stays on for 2 seconds or less.
possible ideas:
*We just replaced the starter and think it may be draining too much power?
*I'd been wondering if my glow plugs were staying on long enough and then I saw this post (quoted following)
Quote:
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Originally Posted by Pete Burton
Also, (and I don't know exactly where it is) I believe there is an electrolytic capacitor used to control the timing. If it fails I think the glow time becomes too short. Even in new relays there is some leakage and they need this capacitor to be charged (cycling the system does that) It would be great if we could identify several of the failure points of these relays because I think Bosch is only making the extended glow version now and not everybody's happy with that. Seems it improves cold running at the significant expense of glow plug life. I have a "spare" relay that didn't work quite as good - I'd like to check a few things inside and see if I could use it as a proper spare.
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