20 Most Recent 1991 Volvo 740 Questions & Answers


google!! i found it!

1991 Volvo 740 | Answered on Jun 28, 2017


check the oil level of the transmission
that transmission does have an overdrive relay
that relay may be faulty

get the transmission serviced and if found in bad condition
cheapest fix is
source a good used automatic transmission and have that fitted in


cost of a full rebuild on these transmission is more than the volvo is worth
its a lot of km./miles
sounds like the third /overdrive part of the transmission
is slipping or worn



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1991 Volvo 740 | Answered on Apr 11, 2017


This is what I can find.
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1991 Volvo 740 | Answered on Sep 07, 2016


It is built into the alternator

1991 Volvo 740 | Answered on Nov 09, 2015


Most of the time it's nearly impossible to do. But, in the past I've had some luck with spraying a generous amount of PB Blaster into each cylinder through the spark plug hole, and letting it sit for a day or two. With the cylinders soaking I would periodically try to turn the crankshaft by hand. If that doesn't work, then your engine is scrap metal.

1991 Volvo 740 | Answered on Sep 27, 2015


You have to flip the bottom of the rear seat forward. There should be a strap to pull where the seat bottom and seat back meet. The seats will not fold all the way down with out flipping the bottom up first.

1991 Volvo 740 | Answered on Feb 02, 2015


The Relays are located in front of the gear shift behind the Ash Tray. Unclip the Fuse panel and you can get to all the Relays. You need a wiring Diagram to test the Relay circuits. There is usually a diagram on the side of the relay but do not use full amperage on them when you test them.

1991 Volvo 740 | Answered on Jan 28, 2015


What type alarm system is it? The car did not come factory with any type of system at all.

1991 Volvo 740 | Answered on Dec 28, 2014


even your freind adjust it it should run deal the timing later,check if you have spark,then check it if you have gas coming in,the way you describe the problem is you have a cold starting problem,you gonna check a lot of thing in there,the best thing i can tell you is chance your ECT get it from the dealer

1991 Volvo 740 | Answered on Dec 05, 2014


check your headlight fuse with the switch in the on position. easiest way I have found to rule out a relay is to simply switch it out with another relay.

1991 Volvo 740 | Answered on Oct 12, 2014


Fusible links are either by the battery or down by the starter. But if everything else is working, this is not the problem You have a bad connection(pull the fuse and reinsert it or a broken wire). Most wires break close the the plugs.

1991 Volvo 740 | Answered on Sep 14, 2014


Follow the plug wires from the engine to where they end. That would be your coil/ignition system. Depending on how your car is built it could be coil packs, or a distrubutor. Good luck.

1991 Volvo 740 | Answered on Jun 05, 2014


Hmmm. Getting fuel and spark, just died.
Possibilities: Crank position sensor. Sends pulses to engine computer. If it dies, so does engine. Mounted near the transmission bell housing. Check plug which appears near the passenger side firewall. Plug gets corroded. Disconnect and clean all the plug contacts in that area,
Radio supressor relay. Mounted on inner fender, passenger side, above the battery. If it fails, fuel injectors die. Remove it from socket and insert a jumper wire between the two large pins (brown wire). If car starts, buy a new one. About $95 new; less on Ebay. I always carry a spare.
Where do you have spark? Sometimes the high voltage lead from the coil to the distributor goes bad. Disconnect it and hold it near a ground.
Do the same with a spark plug lead.

1991 Volvo 740 | Answered on Apr 17, 2014


Is it power steering or manul?
if power check power steering oil if low fill and fan belt.
if manul check all joints and steering box.

1991 Volvo 740 | Answered on Apr 04, 2014


I own a 1992 740 and have been through the stalling issue. Tried everything mentioned in other suggestions. Expensive and aggravating. Finally turned out to be the spark module. My Volvo has the Rex/Regina engine management system and the module sits on the left front fender. The wire to the distributor is very long and runs to the bottom of the distributor. As a start I would check and clean all wires leading to and from the coil module. Sometimes the high voltage lead gets dirty or corroded. Remove each connector plug (one at a time) spray a little contact cleaner, re-insert it a couple of times. Sometimes just turning the high voltage lead will clean it a little.
Also check to be sure the manifold pressure module is properly connected. It has a thin vacuum hose running from the module (on the driver's side inner fender near the firewall) to the top of the intake manifold. If that hose is loose or disconnected, car will run rough and stall.

1991 Volvo 740 | Answered on Mar 19, 2014

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