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Next: GT 2.0 JTS Connect+ navigation system
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External
Since: Apr 06, 2005
Posts: 5
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(Msg. 1) Posted: Wed Jul 20, 2005 11:37 am
Post subject: push starting a C900?
Archived from groups: alt>autos>saab (more info?)
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is there anything wierd about push starting a C900 (with a manual
transmission)? i had to go on a 2 week trip, and i knew the battery
was getting bad in my '87 C900, so i made sure to park my car facing
down hill at the parking garage just incase the battery didn't last the
2 weeks of being parked. of course, when i get back to the car and try
to start it, nothing happens. so, i figured it would be no big deal,
i'd just coast down the hill and catch the car in gear, like i've done
a million other times in other cars. no luck! everytime time i popped
the clutch, the front wheels just screetched and the engine didn't turn
over. when i finally did find someone to give me a jump, the engine
turned over without issue, so it wasn't another problem or anything.
as i have come to find out, saabs are wierd cars, is there something
wierd that prevents them from being push started? (i had the key in
the on position, i was coasting at probably around 10 mph, tried it
with the shifter in both 1st and 2nd gear - like i said, i've done this
a million times in other cars without issue before)
mike |
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External
Since: Dec 10, 2003
Posts: 25
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(Msg. 2) Posted: Wed Jul 20, 2005 3:15 pm
Post subject: Re: push starting a C900? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Mike Deskevich" <mikedeskevich DeleteThis @gmail.com> wrote in message
news:1121884674.041236.192360@g49g2000cwa.googlegroups.com...
> is there anything wierd about push starting a C900 (with a manual
> transmission)? i had to go on a 2 week trip, and i knew the battery
> was getting bad in my '87 C900, so i made sure to park my car facing
> down hill at the parking garage just incase the battery didn't last the
> 2 weeks of being parked. of course, when i get back to the car and try
> to start it, nothing happens. so, i figured it would be no big deal,
> i'd just coast down the hill and catch the car in gear, like i've done
> a million other times in other cars. no luck! everytime time i popped
> the clutch, the front wheels just screetched and the engine didn't turn
> over. when i finally did find someone to give me a jump, the engine
> turned over without issue, so it wasn't another problem or anything.
> as i have come to find out, saabs are wierd cars, is there something
> wierd that prevents them from being push started? (i had the key in
> the on position, i was coasting at probably around 10 mph, tried it
> with the shifter in both 1st and 2nd gear - like i said, i've done this
> a million times in other cars without issue before)
>
> mike
>
Not terribly familiar with '87, but if there is a fuel injection ECM or
computer-controlled spark, you will have no joy with a completely dead
battery. The computer will not even know the engine is turning, no fuel
pump, etc. Coasting a few feet at 10 mph will not generate enough juice
through the alternator to get everything going. |
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External
Since: Jun 20, 2004
Posts: 462
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(Msg. 3) Posted: Wed Jul 20, 2005 3:55 pm
Post subject: Re: push starting a C900? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On 20 Jul 2005 11:37:54 -0700, Mike Deskevich <mikedeskevich.TakeThisOut@gmail.com> wrote:
> is there anything wierd about push starting a C900 (with a manual
> transmission)?
Nope.
> (i had the key in
> the on position, i was coasting at probably around 10 mph, tried it
> with the shifter in both 1st and 2nd gear - like i said, i've done this
> a million times in other cars without issue before)
I don't know of a thing that would explain that behavior. >> Stay informed about: push starting a C900? |
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External
Since: Oct 04, 2004
Posts: 22
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(Msg. 4) Posted: Wed Jul 20, 2005 5:55 pm
Post subject: Re: push starting a C900? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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the start process is not limited to truning the engine over, which is
all jump starting it like this will do.
you also need battery power to run the ecm and other electronic systems.
this is true with SAAB and with other cars. my 92 olds is useless with a
dead battery. >> Stay informed about: push starting a C900? |
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External
Since: Feb 05, 2005
Posts: 56
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(Msg. 5) Posted: Wed Jul 20, 2005 5:55 pm
Post subject: Re: push starting a C900? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On 20 Jul 2005 11:37:54 -0700, "Mike Deskevich"
<mikedeskevich.RemoveThis@gmail.com> wrote:
>is there anything wierd about push starting a C900 (with a manual
>transmission)? i had to go on a 2 week trip, and i knew the battery
>was getting bad in my '87 C900, so i made sure to park my car facing
>down hill at the parking garage just incase the battery didn't last the
>2 weeks of being parked. of course, when i get back to the car and try
>to start it, nothing happens. so, i figured it would be no big deal,
>i'd just coast down the hill and catch the car in gear, like i've done
>a million other times in other cars. no luck! everytime time i popped
>the clutch, the front wheels just screetched and the engine didn't turn
>over. when i finally did find someone to give me a jump, the engine
>turned over without issue, so it wasn't another problem or anything.
>as i have come to find out, saabs are wierd cars, is there something
>wierd that prevents them from being push started? (i had the key in
>the on position, i was coasting at probably around 10 mph, tried it
>with the shifter in both 1st and 2nd gear - like i said, i've done this
>a million times in other cars without issue before)
>
>mike
I don't know about the C900, but my 9-3 seems to have a very short
first gear. I can well imagine the wheels slipping if I tried
bump-starting it in first. Second should be okay, or even third if you
have a decent hill.
Cheers,
Colin >> Stay informed about: push starting a C900? |
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External
Since: Nov 02, 2003
Posts: 336
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(Msg. 6) Posted: Wed Jul 20, 2005 5:55 pm
Post subject: Re: push starting a C900? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Mike Deskevich wrote:
> is there anything wierd about push starting a C900 (with a manual
> transmission)? i had to go on a 2 week trip, and i knew the battery
> was getting bad in my '87 C900, so i made sure to park my car facing
> down hill at the parking garage just incase the battery didn't last the
> 2 weeks of being parked. of course, when i get back to the car and try
> to start it, nothing happens. so, i figured it would be no big deal,
> i'd just coast down the hill and catch the car in gear, like i've done
> a million other times in other cars. no luck! everytime time i popped
> the clutch, the front wheels just screetched and the engine didn't turn
> over. when i finally did find someone to give me a jump, the engine
> turned over without issue, so it wasn't another problem or anything.
> as i have come to find out, saabs are wierd cars, is there something
> wierd that prevents them from being push started? (i had the key in
> the on position, i was coasting at probably around 10 mph, tried it
> with the shifter in both 1st and 2nd gear - like i said, i've done this
> a million times in other cars without issue before)
As others have said, you need a little bit of juice in the battery to
power the electronics. But I don't think that was your problem in this
case.
You say "the front wheels jus screetched" - the simple answer is that
you were using too low a gear - when roll-starting, 3rd gear is best bet.
--
Grunff >> Stay informed about: push starting a C900? |
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External
Since: Aug 05, 2004
Posts: 70
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(Msg. 7) Posted: Wed Jul 20, 2005 8:57 pm
Post subject: Re: push starting a C900? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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External
Since: Feb 03, 2004
Posts: 644
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(Msg. 8) Posted: Wed Jul 20, 2005 11:55 pm
Post subject: Re: push starting a C900? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"PAPAGENE4JACK" <barberirealty RemoveThis @msn.com> wrote in message
news:3652a343e2bd4b6f2e04df3371fa30db@localhost.talkaboutautos.com...
> Your lucky it still runs after 18 yrs . good luck papa
>
Why? I see dozens of Saabs that old and older running around here. >> Stay informed about: push starting a C900? |
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External
Since: Feb 03, 2004
Posts: 644
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(Msg. 9) Posted: Thu Jul 21, 2005 10:55 pm
Post subject: Re: push starting a C900? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Sleeker GT Phwoar" <carl.robson DeleteThis @bouncing-czechs.com> wrote in message
news:MPG.1d49a350732456a798b1c3@news.individual.net...
> In article
> <3652a343e2bd4b6f2e04df3371fa30db DeleteThis @localhost.talkaboutautos.com>,
> barberirealty DeleteThis @msn.com says...
> > Your lucky it still runs after 18 yrs . good luck papa
> >
> >
> My 20 year old 900 T16 would start first time on the button everyday.
> If left more than two days, it would drain the battery if the alarm was
> set. But other than that, either started everyday, or with the alarm
> ground disconnected if storing a garage for more time while I was away.
> No worries, fired up every time.
> The problem was the 20 year old Saab turbo battery. Hard to find locally
> without taking a mortgage.
> --
Is there something unusual about the battery? I've always just gone to
Costco and gotten something close, never had a Saab Turbo though. >> Stay informed about: push starting a C900? |
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External
Since: Dec 08, 2004
Posts: 62
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(Msg. 10) Posted: Sun Jul 24, 2005 5:54 am
Post subject: Re: push starting a C900? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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2nd gear on flat or slight upgrade, otherwise third should be fine. Used to
work (lots of times) in my '81 900 and the '78 99 - unless with the 900 the
fuel pump relay was stuffed. Cheers >> Stay informed about: push starting a C900? |
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External
Since: Jan 14, 2005
Posts: 5
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(Msg. 11) Posted: Tue Jul 26, 2005 11:25 am
Post subject: Re: push starting a C900? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Yes, the battery must have some 'juice' in order to run the fuel pump.
I left my running lights on one day and the batery was completly
discharged. I tried roll starting the car to no avail. When I got a
jump start, it started (jumper cables connected) after giving it a few
minutes to charge my battery. Upon disconnecting the jumper cables, the
engine immediately quit. I had to leave the jumper cables connected for
about 5-10 minutes in order to have enough power in the battery. I also
had one of those 'weak' regulators in the alternator that produced only
about 13.5 volts. This is sometimes a problem with the bosch
alterators. Worn brushes will also cause low power even though the
'idiot' light does not come on. Fortunetly you can buy new brushes (and
complete regulator kits) that can be installed without removing the
alternator.
Jim
'87 C900 247K miles >> Stay informed about: push starting a C900? |
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External
Since: Apr 06, 2005
Posts: 5
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(Msg. 12) Posted: Fri Jul 29, 2005 3:51 pm
Post subject: Re: push starting a C900? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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forgot about the whole fuel pump thing. the last time i ever had to
worry about my fuel pump, it was a mechanical one. since i never
repaired an electronic one, i never thought about them being
electronic.
here's a question though: even with the fuel pump off, shouldn't the
fuel line be pressurized so that there would be enough to run the
injectors a little until the engine kicked over?
mike >> Stay informed about: push starting a C900? |
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External
Since: Jan 19, 2004
Posts: 13
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(Msg. 13) Posted: Sat Jul 30, 2005 1:55 am
Post subject: Re: push starting a C900? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Mike Deskevich wrote:
> forgot about the whole fuel pump thing. the last time i ever had to
> worry about my fuel pump, it was a mechanical one. since i never
> repaired an electronic one, i never thought about them being
> electronic.
>
> here's a question though: even with the fuel pump off, shouldn't the
> fuel line be pressurized so that there would be enough to run the
> injectors a little until the engine kicked over?
If you have enough voltage for the fuel injection computer to work, and
for the relay that energizes the FI computer, and the electronic
ignition (hall effect sensor and related electronics). A K-jet
(mechanical fuel injection with electronic pump) push starts almost
embarrassingly easy on a very drained battery, an L, LH-jet or Trionic
(electronic injection) no so easily.
Bill >> Stay informed about: push starting a C900? |
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External
Since: Dec 10, 2003
Posts: 25
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(Msg. 14) Posted: Tue Aug 02, 2005 8:25 am
Post subject: Re: push starting a C900? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Mike Deskevich" <mikedeskevich.TakeThisOut@gmail.com> wrote in message
news:1122677509.517437.43070@g43g2000cwa.googlegroups.com...
> forgot about the whole fuel pump thing. the last time i ever had to
> worry about my fuel pump, it was a mechanical one. since i never
> repaired an electronic one, i never thought about them being
> electronic.
>
> here's a question though: even with the fuel pump off, shouldn't the
> fuel line be pressurized so that there would be enough to run the
> injectors a little until the engine kicked over?
>
> mike
>
The fuel injectors are also electrically operated. Without power, they won't
open. Additionally, if the ECU has no power the engine will -never- start.
The fuel line won't hold full pressure for more than a few hours or a day at
most. >> Stay informed about: push starting a C900? |
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