Pump, Injector, Turbo Rebuilding
Bosch VP 44 diesel pumps are also upgraded with all the latest upgrades required by Bosch. The VP44 injection pumps come with a 1yr unlimited mileage warranty. If you unsure or just want some free advice on your pump you can reach them at (866) 737-4966. VP44 injection pump problems are going to happen but we are here to help. Xtreme' VP44 Injection Pump XD191 gives you the fuel you need to take your 1998.5-2002 Dodge 5.9L Cummins to the next level. While many VP44's on the market are rebuilt with inferior quality components, this pump has been remanufactured to the most stringent specifications using only the highest quality genuine Bosch parts. DOCS B BOSCH VP44 REPAIR MANUAL PDF BOSCH VP44 REPAIR MANUAL PDF EBOOK LIBRARY' 'bosch diesel pump manual vp44 doerrlaneindustrialpark com april 26th, 2018 - overview only and is not meant to be used as a replacement for a service manual pompa wtryskowa vp 30 vp 44 diagnostics of a bosch vp30 or vp44 injection pump' Bosch Vp30 Repair Manual. Description Repair connector for the VP44 injection pump. Fault code P1689(no communication between VP44 and ECM) is a common problem when this harness goes bad. Pins in this connector can wear out and not seat properly to VP44 pins. Why replace the entire $1,000.00 engine harness when you can replace the connector? Remove the APPS or TPS Housing above the injection pump (three 13mm headed bolts). Leave all the cables attached and unplug the wire harness from underneath it by pushing on the locking tab of the plug while pushing on the plug until the lock releases. Then, still holding the lock tab in, pull on the plug to remove it from the housing.
What you can expect when you bring your unit in for repair
Parts being analyzed after disassembly
Rebuilt Pumps
- Services
How much Fuel Pressure Should the VP44 Injection Pump Regularly Receive?
There is a diaphragm located inside the VP44 injection pump that is very sensitive. This VP44 diaphragm works best under pressures between 10 and 15 PSI. Some pumps will be able to run higher than that but GIllett Diesel does not recommend it. After changing your VP44, if you notice continued hard starting or feel as though the pump is getting bogged down, it is probably time to check the lift pump pressure. Our recommendation for optimum fuel pressure is 12 PSI of the VP 44.
How Do I Check Lift Pump Pressure to the VP44?
This method will vary depending on what truck year you have. If you have a 98.5-99 Cummins there will be a 1/8 by 27 NPT port on top of the fuel filter housing. For this year truck this is the most accurate place to insert your fuel pressure sensor to read the pressure supplied by your lift pump. For trucks ranging in year 99.5-2002 fuel pressure should be checked at the Schrader located on the side of the VP44.
Are Gillett Diesel's VP44 Injection Pumps New or Rebuilt?
Bosch is no longer casting housing's for the VP44 injection pump. Therefore at this time ALL VP44 injection pumps require a used housing, also known as core, to be rebuilt. Due to the need of a core, there is no such thing as a completely new VP44, even though some are advertised as such.
Do the Injection Pumps Come With a Removal Tool?
Our injection pumps do not come with a removal tool. Gillett Diesel recommends going to your local parts store and purchasing steering wheel removal tool. The threaded holes on the gear are M8 x 1.25. You also need a couple of bolts meeting those specs.
Does Gillett Diesel's VP44s have new computers (PSG)?
Before a VP44 is rebuilt the computer portion is removed and tested. If the computer does not meet every single one of the qualifications mandated by Bosch then the entire computer is replaced regardless of the failed qualification. If the computer meets all of the Bosch qualifications then it is reused.
How Do I Tell If I Have a 17x or 15x VP44
Every Bosch manufactured pump has data tag on one side of the pump, driver's side when located on vehicle. On this tag there will a 10 digit Bosch number that is stamped into the metal. The first 8 digits of this number should read 04705060. The last two digits of this number are the identifiers of the type of pump. If the pump is on a light duty dodge cummins pickup, and the last two digits are a multiple of 7, then the pump is a 17x. If the last two digits are not a multiple of 7 then it will be a 15x pump.
What Wire Do I Tap on a VP44 Injection Pump?
There are two wires running from the back of the pump up to the computer portion on the top of the pump. This computer portion is known as the PSG. The wire that is closest to the engine and connects to the PSG is the wire that needs to be taped for installation of some modules.
Vp44 Injection Pump Problems
Does Gillett Diesel Charge for Cores Up Front?
Sometimes. On replacement parts that our customers order frequently we have taken steps to prevent core charges up front. However on some items we do still require an upfront core charge. Check out our core policy page. (Link to Core Policy)
Vp44 Injection Pumps For Sale
What is Gillett's Warranty on a VP44 injection pump?
Gillett's warranty on VP44 is 1 year unlimited miles. The two most common things that will void your warranty are fuel contamination and inadequate fuel pressure. Both of these issues can be prevented by an upgrade to the lift pump system FASS system (Link).
What is Gillett's Warranty on a VP44 injection pump?
Gillett's warranty on VP44 is 1 year unlimited miles. The two most common things that will void your warranty are fuel contamination and inadequate fuel pressure. Both of these issues can be prevented by an upgrade to the lift pump system FASS system (Link).
Where can I buy a VP44 pump?
Vp44 Injection Pump Replacement
Gillett Diesel offers replacement Bosch Vp44 Fuel Injection Pumps that have been rebuilt by a certified Bosch tech and have been tested obefore the pump is sent to a customer. Bosch VP 44 diesel pumps are also upgraded with all the latest upgrades required by Bosch. The VP44 injection pumps come with a 12/12 warranty. If you unsure or just want some free advice on your pump you can reach to us at 800-638-4679.
Doty Brown
@doty@gillettdiesel.com
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