chriswills01
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how long should lp pump stay on for when ignition turned on also should there be a kind of hissing noise from high pressure pump. many thanks
low pessure pump 2003 td4
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Vissie
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lp pump runs for about 20 seconds if you just turn the ignition on i think. Other than that it runs permanently.
hissing from hp pump? You definately shouldnt be able to hear it over the engine noise.
hissing from hp pump? You definately shouldnt be able to hear it over the engine noise.
Singvogel
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I reckon it depends on how long after the engine was last run.
By that I mean if you switch off the engine and then turn the ignition back on it's unlikely that the pump will run for more than a second or so.
First thing in the morning it could run for up to a minute before turning off.
You should hear it whirring (or hissing) but as Vissie says - not over the running engine noise.
After changing the fuel filter you'll hear all sorts of gurgling noises too, as the pump needs several goes to self-prime and clear any air from the system.
Singvogel.
By that I mean if you switch off the engine and then turn the ignition back on it's unlikely that the pump will run for more than a second or so.
First thing in the morning it could run for up to a minute before turning off.
You should hear it whirring (or hissing) but as Vissie says - not over the running engine noise.
After changing the fuel filter you'll hear all sorts of gurgling noises too, as the pump needs several goes to self-prime and clear any air from the system.
Singvogel.
nickcc
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If you plan on changing the pump or filter be prepared for a bigger job than you thought it would be. I started to change my LP pump a couple of weeks ago, once I'd removed the O/S/R wheel I then removed (bent back) the inner wing plastic cover then went under the car to remove the two pump/filter mtg Brkt bolts, both were seized solid and had to be cut off. When the pump/filter was finally removed I found that all the aluminium pop rivets had corroded which had left the pump/filter only being held in place by the pipework, add to this the difficulty in removing the filter from the mtg brkt when it has never been changed can turn, what should be a fairly easy job, into a right pain in the bum.
Singvogel
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I can empathise with you totally Nick. Did you spot the fbh feed pump tucked in above the other gubbins in that murky corner? What a stupid place to put those things - exposed to all the road crud that gets thrown up.
I would like to meet the 'work-experience' design 'engineer', and his LandRover line manager / supervisor, who came up with this position for service items.
Just 10 minutes - that's all I'd need - them, me, - and my baseball bat!
End of rant.
Singvogel.
Vissie
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I had changed lots of them on ramps. I thought 'i dont know why everyone complains , i can change the pump and filter in under 5 minutes.
Then i did one on my back on a drive , in the rain.
****ing Hell !!!!
Then i did one on my back on a drive , in the rain.
****ing Hell !!!!
zoolander
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yes easy job just like lego
Singvogel
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Forget about your drive in the rain.
Think more of -20C at the side of the road in Romania after getting a load of dodgy diesel in Timisoara!
Now think baseball bat!
nickcc
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Hi Singvogel, lucky me no FBH on mine
Vissie
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You dont actually have to disconnect anything more if you have FBH. The pump is on a little grooved bracket that just slots into the engine pump/filter housing. Easy as
Except when its -20 in Romania apparently
Except when its -20 in Romania apparently
Singvogel
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You dont actually have to disconnect anything more if you have FBH. The pump is on a little grooved bracket that just slots into the engine pump/filter housing. Easy as
Except when its -20 in Romania apparently
Yes - what happened was the truck came almost to a halt (walking speed) due to fuel starvation after getting a tankful of cr*ppy diesel. I always carry a spare filter so decided to change it at the roadside.
Fingers were all thumbs due to the cold when I came across the little fbh pump just hanging there - everything was covered in freezing mud and filth so just had to stick it all back together any old how until I got a chance to have a proper look later.
My fbh pump doesn't have any locating groove that I can remember - it's held in position by a couple of spring clips!
It really is a nonsense place to put the fuel filter on a facelift Freelander.
I can change the one on my Sprinter in the engine bay in a couple of minutes and I stay clean into the bargain.
LandRover's design engineer 'expert' obviously doesn't go far off the beaten track. Bar-Steward!
Singvogel.
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