Question about 1987 Volvo 740

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No Overdrive I have a 87 volvo 740 non turbo. It seems to have an overdrive feature but only goes through three gears and when on highway the rpm's are up at 5000 doing 75 mph. Plus there is a number 5 lit on the dash. Any advice would help.

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There is a relay for the overdrive behind the ashtray, behind the fuses. One of those relays is not functioning right and my manual is not woth me to tell you which one Sorry. C

Posted on Mar 01, 2009

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1 Answer

Manual transmission


The short answer, yes. M46 models with the type J or P overdrive (depending on year and market) require a certain level of oil in the overdrive. Additionally, the overdrive is a lot like a standard automatic transmission with one gear range in theory of operation. Therefore, the hydraulic properties of said transmission do come into play here, line pressure, shifting pressure, accumulator and piston function all work together to engage or disengage the unit. Always ensure the unit is disengaged before downshifting and of course, shifting into low reverse.

Feb 07, 2014 | 1988 Volvo 740

1 Answer

If overdrive button on 91 volvo 740 doesn't shift, is it critical to fix or can it be ignored if I decided not to use it? Jackie


You may ask to some mechanic about replace overdrive fuse, relay, and or overdrive solenoid, that's easier if one of this is the problem! good luck!

Aug 11, 2011 | 1990 Volvo 740

2 Answers

Do all 1991 240 automatic Volvos have Overdrive and what is overdrive used for?


All the ones I have come across have it. Basically it allows gearbox and engine to sync for greater fuel economy when you are not 'town driving' I.e doing more than 25 MPH. I've always left my overdrive engaged as you usually get better fuel economy. To try, take it onto a long open road, engage overdrive and bring her up to speed. Then turn off overdrive and watch your fuel gauge. You can pretty much see it drop.

Jun 29, 2011 | 1991 Volvo 240

2 Answers

91 740 volvo auto trans that wont go into


check overdrive or shift fuses. look in owners manual for location

Jan 09, 2010 | 1991 Volvo 740

2 Answers

What does the large arrow light mean on my 89 volvo 740 gl. its lit up


If your talking about the orange arrow, it's the Overdrive indicator light. Try pushing the O/D button on your gear shifter to see if it gose out

Sep 27, 2009 | 1988 Volvo 740

1 Answer

I have a 1991 Volvo 740 w/an automatic transmission.A couple of months ago the overdrive indicator ( red arrow ) started to turn on and it doesn't turn off when I press the button. When I drive, it seems...


It may be a faulty relay - usually behind the radio - it makes a clicking sound when you hit the button on the shift lever. Or it may be the overdrive solinoid which is mounted on the top of the tranny. Check all of your connestions first. One other thing - the wire from the shift lever overdrive button to the overdrive solenoid on the tranny may run over the top of the drive shaft - check for wear

Jun 13, 2009 | 1985 Volvo 740

1 Answer

The turbo is not working right when i hit the overdrive


are you mechacilly inclined do you want instructons on how to test? It may be a motor mount they have liquid filled mounts that can tear at about that miliage and I can tell yuo hoe to check the turbo.

May 17, 2009 | 2003 Volvo S40

2 Answers

2004 Jetta RPM's are 3500 at 120km/hr in 5th gear. Is this right?


Hi
there is no overdrive buttone in VW.
Seems like you need new clutch.

Feb 28, 2009 | 2004 Volkswagen Jetta

1 Answer

Overdrive relay


Clean or replace the solenoid on the tranny itself.

Aug 22, 2008 | 1988 Volvo 740

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