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404 diesel starting problem

 
 
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piggy
Just got MTs


Joined: 30 Nov 2007
Odometer: 189
Location: gt waldingfield suffolk



PostPosted: Thu Jul 17, 2008 7:09 pm    Post subject: 404 diesel starting problem Reply with quote

hi guys

please give this one some thought as i have been wasting my time till now

my mog has a om621 4 pot diesel in it, the mog still uses the om starter this will not turn the diesel fast enough to start

i thought that my starter was old and shot so borrowed 2 of Steve b these do about the same amount of turns before getting slow and hot

i phoned westfield today as they have a reconditioned starter for sale the chap said my problem was that i am trying to start a diesel engine with a petrol engine starter, what a fool i am, the petrol engine is about 10:1 the diesel is about 20:1

so what i need is a starter that fits the mog box but i more powerful any ideas

a bit long winded but hope it explains what i want

thank you David

__________________________________
sj,rangerover,90 i have had them all, just fell in love again, its a mog!!
shush dont tell the mog i'm having an affair..... with a spider!!!!
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minimog
Off-Road Guru


Joined: 25 Nov 2004
Odometer: 1700




PostPosted: Thu Jul 17, 2008 10:16 pm    Post subject: Reply with quote

i know it sounds stupid but have you checked your getting fuel to the injectors mine turns over slow but it fires up within a couple of turns i had a problem a couple of weeks ago with crap in the filterbowl causing fuel starvation i cleened it out but it wouldnt start untill i refiled the filter housing bled the pump then all the injectors then she fires up better than ever Wink
__________________________________
WHAT YOUR ASKED WHEN YOU OWN A MOG
"why have you put a merc star on that"
UNIMOG MOTTO
"IF IT CARNT BE FIXED WITH A BIG HAMMER"
IT MUST BE AN ELECTRICAL FAULT"
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piggy
Just got MTs


Joined: 30 Nov 2007
Odometer: 189
Location: gt waldingfield suffolk



PostPosted: Fri Jul 18, 2008 5:33 pm    Post subject: Reply with quote

yes there is fuel,

its not that it wont start its just that it doesn't turn over fast enough or long enough to start, if i tow it it starts OK

__________________________________
sj,rangerover,90 i have had them all, just fell in love again, its a mog!!
shush dont tell the mog i'm having an affair..... with a spider!!!!
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shaggy
Articulating


Joined: 08 Feb 2007
Odometer: 560
Location: Manchester, UK


1961 Mercedes-Benz Unimog 404 Doka

PostPosted: Fri Jul 18, 2008 9:44 pm    Post subject: Reply with quote

Diesel G Wagon?

Ask the mog mailing list, or even benzworld. There's a few more dieselers on there.

jim

__________________________________
Bright Orange Unimog 404 DoKa
www.foodfight.org.uk/mog
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