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Author Topic: Non start Thema.  (Read 7158 times)
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HF_Dave
Megaposter
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Posts: 486


Rust , What Rust !! I don't See any rust !!!


« Reply #15 on: 27 January, 2013, 06:16:13 PM »

Yes I reckon the starter motor could be the problem it's a bit weak and the bendix fails on the first turn, I reckon the motor is drawing too much power and not leaving enough to give a strong spark. I had a starter re-conditioned and it's ready to fit. When the weather gets a bit warmer I 'll have a go at fitting it and we'll see if there is any improvement. Thanks. David.
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My Current Cars:

1991 Thema station wagon
1989 Thema 16v
2011 Lancia Delta 3

1977 Beta sedan 2000
1975 Fulvia S3 1.3
1973 Flavia HF 2000 Coupe
1972 Fulvia S2 1.3
1989 Thema 8.32
**Other Makes**
2018 Alfa Giulia
1999 Alfa 156
2009 Fiat Du
HF_Dave
Megaposter
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Posts: 486


Rust , What Rust !! I don't See any rust !!!


« Reply #16 on: 16 March, 2013, 06:47:44 PM »

I got to the root of the problem !!! Horray!!!! when the car was left for a while with the battery turned off with a knob type switch connected to the battery terminal it struggled to turn over when I turned the switch on. Last week the same problem, I put the charger on and it made no difference, this made me suspicious of the battery leads. I checked the connections and found the earth lead that connects to the gearbox casing corroded. I removed the lead , cleaned the gearbox with a wire brush and replaced the lead with a new one I think intended for a diesel as it is a lot heavier . When all was connected the car started with no problem , on the button like it should. Thanks for all the advise. David.  Grin
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My Current Cars:

1991 Thema station wagon
1989 Thema 16v
2011 Lancia Delta 3

1977 Beta sedan 2000
1975 Fulvia S3 1.3
1973 Flavia HF 2000 Coupe
1972 Fulvia S2 1.3
1989 Thema 8.32
**Other Makes**
2018 Alfa Giulia
1999 Alfa 156
2009 Fiat Du
fay66
Permanent resident
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Posts: 6048



« Reply #17 on: 17 March, 2013, 01:20:32 AM »

I got to the root of the problem !!! Horray!!!! when the car was left for a while with the battery turned off with a knob type switch connected to the battery terminal it struggled to turn over when I turned the switch on. Last week the same problem, I put the charger on and it made no difference, this made me suspicious of the battery leads. I checked the connections and found the earth lead that connects to the gearbox casing corroded. I removed the lead , cleaned the gearbox with a wire brush and replaced the lead with a new one I think intended for a diesel as it is a lot heavier . When all was connected the car started with no problem , on the button like it should. Thanks for all the advise. David.  Grin
Dave,
Pleased you've got it sorted, I should have spotted that as it was a common failing on Dedra and would often throw up all sort of unrelated electrical problems that didn't seem to have a common cause, but changing the battery lead cured them all.
Funny enough I was having a look at a friends Fulvia that is just back on the road after a lot of bodywork over the last 5 years, he was complaining about the starter motor turning over slowly, when I had a look I found the power lead from the battery to the starter was badly corroded with only about a dozen strands of copper wire left, even cutting the outer back still revealed corrosion, but it has cleaned up enough until he can replace it.

Brian
8227 Cool
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Own 1966 Fulvia 2C Berlina since 1997, back on road 11-1999.Known as "Fay"
2006 Renault Megane 1 5 Dci Sports Tourer
Dedra Technical Adviser
HF_Dave
Megaposter
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Posts: 486


Rust , What Rust !! I don't See any rust !!!


« Reply #18 on: 18 March, 2013, 02:04:55 PM »

Brian, How many times has a bad earth caused electrical problems in a Lancia,  ???At this stage we should be a lot wiser , especially me , I have been driving Lancias for over 30 yrs at this stage.  Roll Eyes
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My Current Cars:

1991 Thema station wagon
1989 Thema 16v
2011 Lancia Delta 3

1977 Beta sedan 2000
1975 Fulvia S3 1.3
1973 Flavia HF 2000 Coupe
1972 Fulvia S2 1.3
1989 Thema 8.32
**Other Makes**
2018 Alfa Giulia
1999 Alfa 156
2009 Fiat Du
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