Really fast loads of power & then today took it for a drive 1/4 mile away let it idle while my lunatic coonhound made up his mind about what spot to poop in & while it idled it started running rough &then died!!!
Tried to restart & NOTHING!!!
Then I took the cap off totry & hear if the pump was running went to start it & it started & idled for a while,,,then I was able to drive it home like nothing happened??
got into my space parked it & I ran it up to 6000 rpm easily as if nothing was wrong??
weird??right? Wonder if some hose is /was clogged??

nothing in the descriptions seems to note the O ring that goes in the quick release fitting on the pump or where to find it!

THERE SEEMS TO BE A RIP IN THE RED MATERIAL INSIDE THE QUICK CONNECTION..TO REPLACE THE LINE LOOKS LIKE $60 AT LEAST

i WONDER,,part no. is 914814? if you can just push on an o ring along that stem& push on the quick connect??

Dear Blindboy,

Hope you're well and stay so. The push-to-release fuel hose connector has long been NLA (no longer available from Volvo).

It may be replaced with a 90-degree brass elbow (1/4" diameter) and a short length of fuel-injection-rated fuel hose. The short length of fuel hose in pushed onto the pipe stub that projects from the send-unit's top and a hose clamp used to secure it. The other end of the 90-degree angle should be inserted into the fuel hose, and secured with a hose clamp.

Both hose clamps should be emplaced before the hose is pushed, respectively, onto the fuel send-unit's pipe stub and into the fuel hose (that runs to the engine).

A small dab of dish-washing liquid can be used to lubricate the brass fitting's barbs, to ease their insertion into the fuel hose.

I do not know if an "O"-ring can be used to seal the push-to-release fitting.

Hope this helps.

Yours faithfully,

Spook

thanks,,i shouldve thought of it before but ill put dw fluid on the fitting 7 rev it to see if any bubbles emerg/!!

I think I have an idea of what I did wrong.When I took the fuel assembly out there is a pipe w a short hose that GOES TO A RUBBER GROMMET THAT ATTACHES TO THE FUEL PUMP..iS THERE A CLAMP OF SOME SORT THAT IS MISSING>>??

2 thoughts:

1. I’m assuming it is a new pump and sock. Contact the seller and ask if they also sell the hose and clamp or are familiar with the assembly.
2. Find a junkyard Rex-Regina 940 and examine the fuel pump assembly. Maybe you’ll find it!

This was a long time ago. When I replaced my 240’s pump, I seem to vaguely remember something that held the little hose in place. 240’s were notorious for that little hose either falling off or coming apart. Forget which…..

This doesn’t show your pump but maybe this will help.

https://www.fcpeuro.com/Volvo-parts/940/Fuel-Pump-Assembly/?year=1993&m=20&e=914&t=5&b=6&d=34&v=84

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Will I buy another Volvo??? We'll see....

Ran good for 4 days then,last night on a 90 miles trip home,,It kept dying a little & then stopped completely,,I wonder if its the fuel pump,,I thought the sock stayed on But Im wondering if it came off??

Did you replace the little hose in the tank when you replaced the fuel pump and sock? Electronics are good? Fuel pump relay and wiring? Tested fuel pressure regulator?

You should also check the operation of the main pump and its check valve. Check the condition of the wiring. Look for damage, corrosion, gunk etc. As I recall, your car has over 300k on it. If so, it may be the main pump dying.
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Will I buy another Volvo??? We'll see....

Only 1 pump in tank /Relay is new

You don’t have 2 pumps? I was a 240 guy but thought 940’s have 2 pumps like a 240.
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Will I buy another Volvo??? We'll see....

aLL MY 740S HAD 2 PUMPS & THEY WERE REGINA. NOW THIS 945 IS A REGINA & HAS ONLY 1 PUMP,,

Dear Blindboy,

Hope you're well and stay so. In my reply to jwalker, I discussed 940s only, and only models for 1993 through 1995, inclusive.

As 740s' fuel systems weren't relevant to your present problem - which involves a 940 - I only looked at parts diagrams for 940s.

Hope this helps.

Yours faithfully,

Spook

Dear jwalker,

Hope you're well and stay so. Normally-aspirated (NA) '93 940s and '94 940s, with Rex-Regina fuel systems, have a single in-tank pump. The Rex-Regina system was only used in NA cars, so far as I know.

'93 and '94 940s (NA and turbo) with Bosch fuel systems, have two fuel pumps - an in-tank (pre-pump) and a main pump mounted on the floor-pan underside, about beneath the driver's seat.

'95 940s have a single, in-tank pump.

Hope this helps.

Yours faithfully,

Spook

Thanks Spook! I forgot about the Rex-Regina cars until long after my post.
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Will I buy another Volvo??? We'll see....

Theres a 8" length of hose &then a bent section of 5mm?pipe,then a rubber grommet&then the pumpIs there a fastener of some sort that may have dropped of??that held the rubber grommet,?/

Not sure about the fastener. No advice there.

I replaced the in-tank pump and the fuel pressure regulator (on fuel rail) on my 90 240. Also, the metal pipes on the sending unit were so badly rusted I had to replace the sender too. Based on that experience, I would:
1. Check the condition of the metal pipe(s) and the hoses attached to them.
2. Examine the wiring at the sender looking for corrosion, wear, damage etc.
3. Fuel pressure regulator - go to fuel rail and pull off vent hose. If strong fuel smell the fuel pressure regulator is bad. This was on a Bosch 2.2 LH fuel system. Setup on Rex-Regina may be different.
4. Check fuel pump relay Wiring condition. I had to fix those wires too on my 240.

Good luck!
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Will I buy another Volvo??? We'll see....

Gas gauge aint working right,,I added 13 gals to a 20 gal tank & now it runs better,,BUT I guess I mustve screwed up the alignment? & the pump wasnt in straight down all the way??

Finally straightened it out.& got it sitting in right I had hung the projection up on the baffle .Thats why it was sucking air.

Hi Blindboy!

Well ... I had to read your post over a few times as I have been following your great success story.

This is only my opinion and I'm the only one that probably thinks this way, but running your engine up to 6,000 RPMS is not something, I would do, without some more load on these engines parts.

I'm surprised you did not hit some sort of revolution limiter before that.
Maybe you did and you thought you let up on it. I wouldn't hold it there to find out either!

You made reference to your coonhound being a lunatic. Well, I'm sure, with their noses and honed in talents and he has his reasons! It's like reading a neighborhood newspaper of classifieds!

I'm not sure what your reasoning could be, considering the risk of chancing floating a valve loose or throwing a rod.
I have never blown up and engine but I have heard and seen people do it. My Dad did though, right in a driveway!

I have also recognized an engine change once after it owner had that done that to it.
It developed a little tick noise right afterwards
It was a Honda 500cc four cylinder.
It was held in low gear, going down a block, at the upper end, without a shift being made!
Yep, they were smooth but not invincible! Those silver dollar sized Pistons didn't move up and down, they vibrated! (:-)

Fuel consumption, with no load, is not much of a test on pumps IF that would answer any questions of a stall after a long idle.
You did loosen the cap and shook the car getting in and out of it?
I have no idea how long it would take to make a fuel tank "to become air bound" from a bad vent cap?
The gas tank wasn't being agitated with movement to enhance pressures like you did when you drove the car under a real load testing scenarios.

I would suspect something more like a loose electrical connector someplace that's been touched in the recent past.

Now it is a subject of playing tag and gotcha! (:)
Darn those tiny little hands, of green, corrosion gremlins! (:-)

You'll find him, your his buddy!
):)

Phil

the redline is about 7000 rpm on my tach,,& Im using synthetic after a really great flush,,,I dont normally go that high,,Ill try to figure out today what caused the rough idle & shutdown

the redline is about 7000 rpm on my tach,,& Im using synthetic after a really great flush,,,I dont normally go that high,,Ill try to figure out today what caused the rough idle & shutdown