Ford Scorpio Forum - Print Page


    
      
        Ford Scorpio Forum
        (https://www.fordscorpio.co.uk/cgi-bin/yabb/YaBB.pl)
      

        General >> Give/Need advice to/from others >> Overdrive !! could that be affecting
        
(Message started by: Comfortzone on Jun 26^th, 2007, 11:40pm)

Title: Overdrive !! could that be affecting
Post by Comfortzone on Jun 26^th, 2007, 11:40pm

the fuel consumption? i didnt know that it had been on all the time since i got the car until tonight :o...also the car is making a truly awful racket when driving AND im not sure its changing into 3rd gear....oh dear

Title: Re: Overdrive !! could that be affecting
Post by Highlander on Jun 26^th, 2007, 11:42pm

It shouldnt be on, default setting is off every time you switch the car on.. why do you think its on?

Title: Re: Overdrive !! could that be affecting
Post by Comfortzone on Jun 26^th, 2007, 11:45pm

lets see if i got this right...when the light is on in the dash....the overdrive is off and vice versa???

Title: Re: Overdrive !! could that be affecting
Post by Highlander on Jun 26^th, 2007, 11:47pm

Yes but if its on when you start the car you have a gearbox problem

Title: Re: Overdrive !! could that be affecting
Post by Comfortzone on Jun 26^th, 2007, 11:52pm

sorry about this mate but can u talk me thru this, when i start the car the light (i think it says o/d off) should be off and that means the o/d IS actually off??

Title: Re: Overdrive !! could that be affecting
Post by Highlander on Jun 26^th, 2007, 11:55pm

Yep light should be off by default when you start the car and the car should use all gears.
Once you press the green button on the selector the OD light should light up on the dash and it shouldnt change into top gear

Title: Re: Overdrive !! could that be affecting
Post by Comfortzone on Jun 26^th, 2007, 11:57pm

im going for a wee look

Title: Re: Overdrive !! could that be affecting
Post by Comfortzone on Jun 27^th, 2007, 12:05am

righto,light is OFF,but comes on when i press the switch,when should i be using this function then and could it be that not using it is causing a bit more fuel usage??

Title: Re: Overdrive !! could that be affecting
Post by Highlander on Jun 27^th, 2007, 12:10am

No, switching it on will increase fuel usage.
I use it to accelerate as fast as possible :)
All it does is stop the car changing into top gear so you get right up through the powerband without dropping into top.
Just like keeping a manual car in third really

Title: Re: Overdrive !! could that be affecting
Post by Comfortzone on Jun 27^th, 2007, 12:16am

so its best off then ??? I had a Dolomite Sprint before and you used the overdrive im sure as a way of saving fuel.....i think,oh im getting confused now,thanks for taking time to talk to me by the way

Title: Re: Overdrive !! could that be affecting
Post by Highlander on Jun 27^th, 2007, 12:17am

its not an overdrive as such, it doesnt give you a higher gear, it gives you a lower one ;)
It disables overdrive really

Title: Re: Overdrive !! could that be affecting
Post by Comfortzone on Jun 27^th, 2007, 12:23am

im away for a lie down :).....will be putting the car into the garage in next few days to see what the noise is..my GUESS is a wheel bearing,any idea what kind of money is involved in those ??

Title: Re: Overdrive !! could that be affecting
Post by jonnycab on Jun 27^th, 2007, 12:41am

The light is basically a warning light to tell you that the overdrive isn't working :)

Also, how do you know it's a wheel bearing gone ?...has your wheel bearing warning light come on as well ?

Sorry, couldn't resist ;D......good luck ;)

Title: Re: Overdrive !! could that be affecting
Post by Tompion on Jun 27^th, 2007, 1:36am

You can use the button to give a bit of engine brakeing,
there are couple of long downhill sections I use where pressing the button keeps the speed down to the 30 speed limit - rather than using the brake.

Dave

Title: Re: Overdrive !! could that be affecting
Post by sector-9 on Jun 27^th, 2007, 8:56am

The light on the dash is lit when the overdrive function is disabled. By default, overdrive is enabled and the light will be off - this allows the gearbox to use all four gears for economy. In some situations you might want to disable the overdrive (i.e. lock out fourth gear from being selected); an example being when towing if the gearbox is constantly swapping between 3rd and 4th gears. If the light comes on without you pressing the O/D switch then that would indicate a fault.

Darren

Title: Re: Overdrive !! could that be affecting
Post by scorpio_man on Jun 28^th, 2007, 2:01pm

hi jim

if you want to meet up again, let me know.

regards

Title: Re: Overdrive !! could that be affecting
Post by Comfortzone on Jun 28^th, 2007, 8:27pm

Hello Andrew,if you could spare even half an hour on sunday just so you could listen to my noise...ahem,and give me your opinion on what you think is the cause and also if you think the gearbox is working properly

Title: Re: Overdrive !! could that be affecting
Post by scorpio_man on Jun 28^th, 2007, 8:38pm

hi jim

sure, what time at orion's way?

hth

Title: Re: Overdrive !! could that be affecting
Post by Comfortzone on Jun 28^th, 2007, 11:56pm

If you could make it about 12 then that would suit me perfectly

Title: Re: Overdrive !! could that be affecting
Post by scorpio_man on Jun 29^th, 2007, 7:52am

hi jim

see you there.

Title: Re: Overdrive !! could that be affecting
Post by Comfortzone on Jun 29^th, 2007, 10:10pm

excellent

Title: Re: Overdrive !! could that be affecting
Post by Dave2302 on Jul 1^st, 2007, 6:48pm

I've been listening to my noise all weekend but she's gone out now }{ }{ }{

Title: Re: Overdrive !! could that be affecting
Post by pat on Jul 2^nd, 2007, 1:31pm

Hi Dave . How did you manage that? Have you checked your wallet for your bank card? ;D
Thanks again for the throttle sensor (?) diagnosis. I've not had to top the box up since I fitted the new one(or drain it back out the engine!). Ingenious.