How To Install a Race Duramax LB7 Downpipe

How to Install a Duramax down-pipe

2001-2004 LB7 Duramax Turbo Direct Installation instructions

PPE Diesel Engineering

This pipe is designed to fit the 2001 through 2004 LB7 Chevrolet Duramax and is intended for Off Road Use Only.

(This pipe will not fit vehicles equipped with the California Emission alternative Turbo Direct Pipe.)

2001-2004 GM/Chevy Diesel 6.6L Duramax

To begin the installation you must disconnect and remove your factory front pipe that attaches to the factory turbo direct pipe, this installation will be easier if you take the front pipe all the way out of the vehicle.

Remove the transmission dipstick tube and set aside. (Installation of the new Turbo Direct Pipe may require transmission dipstick tube modification for clearance. In particular, a strip of metal may be welded in between the dipstick tube and the bracket to lengthen the bracket in order to reach the mounting studs.)

This pipe does not fit LLY, LBZ or LMM engines

Remove the three nuts holding the factory heat shield in place over the top of the turbo and remove the heat shield. Remove the bolts and the nuts holding the factory turbo direct pipe in place. (These bolts can be extremely tight from the factory and may require special tooling or the removal of the transmission to allow room for tooling.)

After removing the factory turbo direct pipe and transmission dip stick tube you can now install the replacement turbo direct pipe, P/N # 117000400

Be sure to re-use the factory metal gasket between the turbo direct pipe and the turbo housing. You will need to use the included 10mm bolts to accommodate the thickness of the new pipe flange.

Once the new turbo direct pipe is installed and tight you can re-install the transmission dip stick tube, this should be done before re-connecting the front pipe onto the new turbo direct pipe. When all procedures mentioned above are completed, you can re-install the front pipe onto the new turbo direct pipe and any other attachments or brackets.

The PPE 117000400 3" Stainless Steel Downpipe for your 01-04 GM 6.6L Duramax allows you to removed your crushed oval stock downpipe and replace it with a smooth round, long lasting 304 stainless steel down pipe. Spiral wrapped with titanium woven thread for superior heat that's held in place with stainless steel clamps.

Toxic Diesel Performance

866-488-6942

Duramax 6.6L Valve Lash Adjustment

Duramax 6.6L Valve Adjustment Duramax Diesel Pickup Truck This is one method used to set the valve lash on your duramax engine Valve adjustment should be performed anytime the heads are removed. It's also good practice to adjust valves during service that require valve cover remove. TDC (Top Dead Center) First start with, locating the timing mark on the front engine cover and the harmonic balance. Rotate the crankshaft in order to bring the number 1 cylinder to TDC (Top Dead Center) of the exhaust stroke. This mark should be aligned with the mark on the engine. To adjust the valves, start by loosening all the jam nuts with a 14mm wrench, you will also need a flat screwdriver to make the adjustments. Adjust the valve using a .012" feeler gauge Use your .012” feeler gauge between the rocker arm and the valve bridge as pictured. The correct setting is had when there is slight resistance when moving the feeler gauge. It should not be so tight th

How to Remove LB7 Duramax Fuel Injectors Step By Step Instructions

LB7 Duramax Diesel 6.6L R&R Remove and Replace Working on any automobile engine can be intimidating, and that is the very reason why mechanics stay in business, However some tasks that seem intimidating are not actually that difficult if you have the right tools and the right knowledge to complete the task at hand, The following instructions are on how to remove LB7 Duramax Fuel Injectors. This task is often considered a difficult process to complete, but these instructions will break down the process and make this task seem simple. Duramax Diesel LB7 Engine 2001-2004 GMC or Chevrolet Pick-up Truck Drain the Coolant find the drain valve on the passenger side of the wheel well and drain the coolant. To capture the debris,use a bucket and a cloth for a filter. Caution: This step is very important to ensure the combustion chamber won't fill with coolant during the last step of removing the fuel injectors if an injector cup pull out during this step.

Duramax Glow Plugs Operation Glow Plug Relay

Cold Weather Starts and Glow Plugs Glow Plug System Description Duramax diesel engine, air alone is compressed in the cylinder. Then, after the air has been compressed, a charge of fuel is sprayed into the cylinder and ignition occurs, due to the heat of compression. Eight glow plugs are used as an aid to starting. The glow plug initial ON time will vary based on the system voltage and temperature. Lower temperatures cause longer ON times all the times. The ECM provides glow plug operation after starting a cold engine. This post-start operation is initiated when the ignition switch is returned to Run, from the Start position. This operation helps clean up excessive white smoke or poor idle quality after starting. Control of the instant start system, glow plugs is determine by an electronic glow plug control unit and 4.7 volt glow plugs, requiring 2 seconds to heat up to 1,000°C (1,832°F) . The temperature and t

Toxic Performance

Search This Blog