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CONTENTS

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Here we feature the four most requested TechTips
 

To download information on PC: Right-Click on Mac: Option-Click




See LDP Animation 
(Flash 1.7 MB)        



Testing the LDP
(pdf 355 KB)
      


Close Vent Solenoid
(pdf 387 KB)        



No Service Port? 
(pdf 62 KB)    


For Product Questions or TechSupport
1.888.909.EVAP (3827)

 

 

TechTips continued...

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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To download information on PC: Right-Click on Mac: Option-Click
# TechTip Description Download
1 Download entire TechTips booklet -- from 1 to11 listed below; (does not include LDP Animation listed above) revised 11-06-06
2.9 MB
2

LDP (Leak Detection Pump):
Most auto manufacturers that had been using a Leak Detection Pump (LDP), as an onboard leak test for the EVAP system, are in the process of completely phasing out the LDP pressure system and replacing it with a testing procedure that uses vacuum.
However, it is still important to understand the function of the LDP since there are many older vehicles that were using that system.


356 KB
3 Find EVAP Leaks in Six Easy Steps
157 KB
4 Find Vacuum Leaks in Five Easy Steps
191 KB
5 Find Exhaust Leaks in Four Easy Steps
162 KB
6 EGR Valve Leaks
95 KB
7 Oil Seals & Gasket Leaks
205 kb
8

Vacuum Heater Controls;
To locate climate control leaks; install the The Smoke Machine™ supply nozzle into the main vacuum line leading to the climate controls. Turn it on and watch the flow meter indicator ball. If the ball drops to zero the system is leak free. Now with the The Smoke Machine™ still connected, change the heater selector lever or button from heat to defrost to vent and while doing this watch the flow meter for any indication of flow. If the flow meter indicates flow in any of these positions you will know what portion of the system has a leak. Take a bright spot lamp under the dashboard and inspect the system for exiting smoke, or use a UV light and look for the dye pinpointing the leak.


117 KB
9

OBDII Mass Airflow Code:
Before you waste too much time using the wrong equipment in the attempt to diagnose a leak that could trigger a Mass Airflow code; use the smoke machine. This TechTip will demonstrate how to quickly find leaks that could trigger a MAF sensor code by FIRST using the smoke machine. 


159 KB
10 Wind and Water Leaks:
152 KB
11 Axle Leaks:
At first glance, axle leaks may seem like a simple diagnosis. However, they are very often misdiagnosed. Click on the PDF file to show you a very simple and surefire way to quickly and properly diagnose an axle leak using
The Smoke Machine™.

185 KB
12 Intercooler & Turbocharger Leaks:
Engine compartments with turbochargers tend to run hotter than those without them, causing hoses and seals to dry out and leak. For turbocharged systems to operate efficiently there can be no leaks in the intercooler, ducting, exhaust or the turbo itself. Intercoolers and turbochargers are tested with the engine off, as with all tests performed with the The Smoke Machine™.

To test these systems for leaks, connect the smoke supply line to the intake system and introduce smoke into the "cold" side of the turbocharger. With the intake under smoke pressure, the intercooler, the ducting, the waste gate, and the "cold" side of the turbo can be inspected for leaks.

To inspect the "hot" side or exhaust side of the turbo, introduce the smoke into the exhaust pipe using the exhaust cone and inspect the exhaust, the exhaust manifold, and the "hot" side of the turbocharger. 

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