You will need to follow the diagnostics for the VP44 application. Without diagnostics being done or the vehicle in our shop, there are too many possibilities.
How is it those diagrams crack? The new ones are steel with a rubber or plastic coating are they not? I thought only the early pumps had plastic diaphragms. The check valve is for what purpose? Is it to hold fuel in the system for restarting? A bad check valve would allow the system to drain down and cause long cranks or need re bleeding?
The new diaphragms are thicker than the old style and have a "plastic" material on one side. They are a pulsation damper to reduce the pulsations from the charging/discharging from the fuel solenoid valve. Aeration in the fuel causes more pulsations, which would cause the early style (thinner) diaphragms to crack. This would cause hard starting, which would usually be worse when hot. The overflow valve (check valve) is designed to hold pressure inside the pump and allow fuel to return to the tank for cooling of the pump. It is not a positive seal and not designed to keep fuel from draining back.
The drive shaft is installed with the keyway up. Next, locate the driver disc slot that has the small horizontal slot on it. The driver disc is installed with the printed area away from the rotor, the slot with the horizontal slot up. Then the rotor/rollers have to match up with the disc. This is for the 6 cylinder Dodge applications.
@oregonfuelinjection thank you very much I haven't taken rotor apart there wasn't and cracks in the diaphragm how my problem was in the timing piston my engine would start but wouldn't advance the timing it would run for a few seconds like it was hunting really bad, took pump apart and found timing piston scared right in to a port on the side the out edge of the bore has some scaring but very little scaring at the piston ring end of the bore, I installed a new timing piston, working on putting it back together and I knew the rotor had to be clocked to the key, just didn't know to position. Thank you very much and happy holidays
Hello I must have gotten that wrong, I seen a lot of videos on repairing these pumps but not on person show specifically how to time the rotor to the input shaft
i have an odd question. my vp44 will not seal where the computer plugs in. i take off the 5 (5 point security bits) and the 3 others. made sure the surface was clean installed the new o rings and it leaks through the mounting bolts. do you know of any methods to get this to seal. i have countless times. the reply will be appreciated. the part in question is the first thing removed in this video
There are two seals, one of which is integrated into the IAT (speed) sensor. If the IAT sensor seal is leaking, then the IAT will need to be replaced and re-soldered into the PSG (computer on top of the pump). Or there is a problem with the housing, where it seals. It is a repair we can perform for you. Thanks, Mark
Hi, It depends on what the application is, here is a listing of all the VP44 pumps available on our website oregonfuelinjection.com/?productSearch=&s=0470506&post_type=product Or for Dodge applications only oregonfuelinjection.com/?productSearch=&s=pxa0470506&post_type=product
It depends on the component, it could be cleaned by bead blasting, wire wheeling, hot water wash tank, ultrasonic cleaning or rinsed in calibration fluid.
Hi, Great vid thanks 👍 Just wanted to ask I have a Bosch VP44 059130106K 0470506038 and need a diaphragm and can't find one. Apparently it's unavailable... Can you please advise where I could get one from? I was also told I need new rollers & clamps, which funny enough are also unavailable. Is there any way by my model number you could please confirm if these parts are in fact available to buy and from where? Thank you again. It's for a 2.5 TDI 120kW
The 0470506038 is not a USA application, so some of the parts are different from what we see. The diaphragm has been discontinued by Bosch, with no replacement noted, it was never setup in the USA price list. The rollers we have in stock, but they won't help you if the diaphragm is bad. I am not sure what clamps you are looking for? I don't have a good direction to point you in for the diaphragm...Sorry
omg thats my pump ty
Hi, impressive work you're doing there folks. I have question : at 4:51 what torque do you set for the iat screw ?
Amazing job
Thank You
It helpful thanks,have this question if a car doesn’t have good sound and is able to start what might be wrong in the car? I need help pls
You will need to follow the diagnostics for the VP44 application. Without diagnostics being done or the vehicle in our shop, there are too many possibilities.
How is it those diagrams crack? The new ones are steel with a rubber or plastic coating are they not? I thought only the early pumps had plastic diaphragms.
The check valve is for what purpose? Is it to hold fuel in the system for restarting? A bad check valve would allow the system to drain down and cause long cranks or need re bleeding?
The new diaphragms are thicker than the old style and have a "plastic" material on one side. They are a pulsation damper to reduce the pulsations from the charging/discharging from the fuel solenoid valve. Aeration in the fuel causes more pulsations, which would cause the early style (thinner) diaphragms to crack. This would cause hard starting, which would usually be worse when hot.
The overflow valve (check valve) is designed to hold pressure inside the pump and allow fuel to return to the tank for cooling of the pump. It is not a positive seal and not designed to keep fuel from draining back.
Very important question, how is the vp44 rotor head indexed to the input shaft
The drive shaft is installed with the keyway up. Next, locate the driver disc slot that has the small horizontal slot on it. The driver disc is installed with the printed area away from the rotor, the slot with the horizontal slot up. Then the rotor/rollers have to match up with the disc. This is for the 6 cylinder Dodge applications.
@oregonfuelinjection thank you very much I haven't taken rotor apart there wasn't and cracks in the diaphragm how my problem was in the timing piston my engine would start but wouldn't advance the timing it would run for a few seconds like it was hunting really bad, took pump apart and found timing piston scared right in to a port on the side the out edge of the bore has some scaring but very little scaring at the piston ring end of the bore, I installed a new timing piston, working on putting it back together and I knew the rotor had to be clocked to the key, just didn't know to position. Thank you very much and happy holidays
Hello I must have gotten that wrong, I seen a lot of videos on repairing these pumps but not on person show specifically how to time the rotor to the input shaft
Are you solve that? @@andrewklahold2880
@oregonfuelinjectio Is it same for 4 cyl too?
How did you fix a Timing Piston housing damage?
We replace both the housing and the timing piston, with the latest style.
Hi, I find a calculator for static test. Witout car. For exemple 800tr min and 1800tr min for runing test. Regards
i have an odd question. my vp44 will not seal where the computer plugs in. i take off the 5 (5 point security bits) and the 3 others. made sure the surface was clean installed the new o rings and it leaks through the mounting bolts. do you know of any methods to get this to seal. i have countless times. the reply will be appreciated. the part in question is the first thing removed in this video
There are two seals, one of which is integrated into the IAT (speed) sensor. If the IAT sensor seal is leaking, then the IAT will need to be replaced and re-soldered into the PSG (computer on top of the pump). Or there is a problem with the housing, where it seals. It is a repair we can perform for you.
Thanks, Mark
@@oregonfuelinjection where is best to contact your shop? Id like to get more info. I have 2 pumps now that need repairs.
@@Th3XC45T Give us a call or email - oregonfuelinjection.com/about-us/contact/
@@oregonfuelinjection thanks for the info, i sent an email as im from Canada
Hi friends, how much the cost of the rebuild?
Hi,
It depends on what the application is, here is a listing of all the VP44 pumps available on our website
oregonfuelinjection.com/?productSearch=&s=0470506&post_type=product
Or for Dodge applications only
oregonfuelinjection.com/?productSearch=&s=pxa0470506&post_type=product
how do you clean the pump?
It depends on the component, it could be cleaned by bead blasting, wire wheeling, hot water wash tank, ultrasonic cleaning or rinsed in calibration fluid.
I wish I could send it to you guys mine🥺
Code Défaut 0077 !!?
Always thought bosh was real good quality these pumps are junk
Hi, Great vid thanks 👍 Just wanted to ask I have a Bosch VP44 059130106K 0470506038 and need a diaphragm and can't find one. Apparently it's unavailable... Can you please advise where I could get one from? I was also told I need new rollers & clamps, which funny enough are also unavailable. Is there any way by my model number you could please confirm if these parts are in fact available to buy and from where? Thank you again. It's for a 2.5 TDI 120kW
The 0470506038 is not a USA application, so some of the parts are different from what we see. The diaphragm has been discontinued by Bosch, with no replacement noted, it was never setup in the USA price list. The rollers we have in stock, but they won't help you if the diaphragm is bad. I am not sure what clamps you are looking for? I don't have a good direction to point you in for the diaphragm...Sorry