Maintenance

Progressive Weber Carburetor Set Up

It is important to follow all linkage and lever installation instructions.
The number one and two reasons for tuning errors are improper linkage installations and
over tightened linkage nut, causing a binding in linkage assembly.

CALIBRATIONS MAY VARY DUE TO REGIONAL FUELS AND STATE OF ENGINE TUNE AND PERFORMANCE. POOR RUNNING QUALITY DOES NOT MEAN A DEFECT IN THE CARBURETOR.
AN ADVANTAGE OF THE WEBER CARBURETOR IS ITS EASE OF ADJUSTMENT AND TUNING.

SET UP ADJUSTMENTS

Start set up by confirming carb base line settings.

Do not depend on the factory delivered settings. Check them before the carb is installed.
All settings are done with choke disengaged or warmed up so that the choke is fully opened and disengaged.

Parts you might need – link to category Performance Carburetor Kits

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IDF Carburetors Low Speed Circuit Tuning

It is most important to verify all linkage and levers are installed without binding
and the linkage opens to full throttle and is allowed to close to the Idle Speed Screw.
This is the number one and two reasons for tuning errors, improper linkage installations and over tightened linkage nut, causing binding in the linkage assembly.

The Individual Runner carbs, IDF, have individual Idle jets and mixture screws for each barrel.
They also have an additional air bleed screws and lock nuts. This is not used for idle adjustment or idle quality.

The settings for these screws should be closed.

Standard IDF Settings:

Parts you might need – link to category Performance Parts

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Carburetor Set Up and Adjustment 34 ICT

It is most important to verify all linkage and levers are installed without binding and the linkage opens to full throttle position and is allowed to close to the Idle Speed Screw.
This is the number one and two reasons for tuning errors, improper linkage installations and over tightened linkage nut, causing binding in the linkage assembly.

Parts you might need – link to category Stock Replacement Parts

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Tech Article – Shift lever and shift rod – removal and installation
Make sure you obtain the correct replacement part if you re replacing the shift lever.
On vehicles produced before August 1967, the lever is straight; it s curved on later models.
Don’t try to swap levers from one model to another unless they re identical.
The lever on 1973 and later models is about 1-1/2 inches shorter than those on earlier models.

Mark the position of the stop plate in relation to the ball housing after pulling back the floor mat and putting the shift lever in Neutral.
This will ensure proper alignment during installation.
Caution: Incorrect adjustment of the stop plate in the shift lever assembly can cause shifting problems.

Parts you might need – link to category Shift Rods and Parts
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Tech Article – Rear Swing axle boots replacement

Place jack-stands securely under the vehicle after raising it.
Take off the hose clamps from both ends of the old boot and cut it off (but don’t bother to remove the screws that attach the seam).

Wipe off the axle tube retainer and the axle tube.

Put on a thin layer of sealing compound to the mating surfaces of the new boot.

Slip the new boot into place, carefully. Be sure not to get oil on the mating surfaces of the seam.

Parts you might need – link to category Axle Boots
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Tech Article – Air Cooled VW Maintenance Schedule

Every 250 miles or weekly, whichever comes first.

Check the engine oil level
Check the windshield washer fluid level.
Check the brake fluid level
Check the tires and tire pressures

Every 3000 miles or 3 months, whichever comes first

Check the automatic stick shift fluid level.
Lubricate the chassis
Change the engine oil.
Check and adjust the engine drivebelt(s), if necessary
Check and service the battery

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Tech Article -- Valve Adjustment Procedure.
Parts you might need - link to category Gasket Set & Seals

Note: This procedure needs to be done every 3000 miles without fail! Keeping the valves adjusted will make your VW run forever (well, almost). What you are doing when you “adjust the valves” is adjusting the clearance between the rocker arms and the valve stems.
Note:We strongly recommend that you read this procedure through in its entirety before commencing to adjust your valves. It is well to understand what you are doing as you go along.
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