Removing and installing air mass meter G70 — VW

Removing and installing air mass meter
G70
Special tools and workshop equipment required
Hose clip pliers
VAS 6362
Removing
Remove engine cover panel (see the separate procedure).
If fitted, pull off vacuum hose (arrow).
Remove hose (1) for crankcase breather system from air hose.
To do this, press release buttons.
Caution
Depending on the vehicle version and country-specific modifications, crankcase breather hoses which cannot be removed from the cylinder head cover without being damaged may be installed. This type of crankcase breather hose must only be disconnected at the connecting piece for the air hose.
Release connector at air hose, and pull it off.
Unclip wire from intake connecting pipe.
Free vacuum hoses (arrows) at air pipe.
Unscrew bolt (2)
, swing air hose with intake connecting pipe to rear, and pull it off turbocharger.
Remove bolt (1).
Turn air mass meter
G70 item 2 in direction of arrow B and detach.
Installing
To ensure the proper function of the air mass meter
G70 it is important to adhere to the following work sequences.
Note
If the air filter element is very dirty or wet, particles of dirt or water may reach the air mass meter and falsify the measured air mass value. This would lead to loss of power, since a smaller injection quantity is calculated.
Always use genuine part for air filter element.
Always renew seal if damaged (unmetered air leak).
Use a silicone-free lubricant to install the air hose and seal.
Hose unions and air intake pipes and hoses must be free of oil and grease before installation.
Secure all hose connections with hose clips meeting production standard
Electronic Parts Catalogue.
Check for salt residue, dirt and leaves in air mass meter and air hose (clean air side).
Check intake duct for contamination up to air filter element. Clean air filter housing, if contamination is found.
Clean top and bottom part of air filter housing by rinsing out or using a vacuum cleaner if necessary.
To install, insert air mass meter
G70 item 2
, and turn it in direction of arrow A.
Fit engine cover panel (see the separate procedure).
Specified torques (see “Assembly overview - air filter housing”) (see “Assembly overview - charge air system”)