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1979 VW Beetle - Chassis Fork & Trans Area

Murbella – Day 35 – Trans area and engine bay inspection!

Posted on 2020-06-06

Other than dirt and some of that undercoating, now that the transaxle is out I’m impressed with the condition of the body and chassis.

Above Transaxle Area

1979 VW Beetle - Chassis Fork & Trans Area
1979 VW Beetle –  Driver Side Heat Pipe and Brake Line

Still sad this original accordion heat pipe cracked open. It has one of those compression clamps so is going to be a pain in the ass to remove.

1979 VW Beetle - Chassis Fork & Trans Area
1979 VW Beetle –  Driver Side Brake T

I will probably disconnect all of this and clean.

1979 VW Beetle - Chassis Fork & Trans Area
1979 VW Beetle – Driver pivot mount for trailing arm

I’d like to clean all of this and recoat with the KBS.

1979 VW Beetle - Chassis Fork & Trans Area
1979 VW Beetle – Driver heater cable sheath

I cannot tell if this sheath/tube on the driver side heater cable is an original thing or not. It is missing from the passenger side, and that’s the side where the heater cable was damaged and rigged to work on the heat exchanger.

Frankly, it makes sense this would be a part but I just don’t recall seeing it in diagrams. It definitely offers protection for the bulk of the cable from the elements and grime.

1979 VW Beetle - Chassis Fork & Trans Area
1979 VW Beetle – Front mount bolts

 

1979 VW Beetle - Chassis Fork & Trans Area
1979 VW Beetle – Passenger side torsion tube

Engine Bay

There are some key areas of the engine bay I can finally see.

1979 VW Beetle - FI AJ Code Engine Parts
1979 VW Beetle – FI Decel Valve (mounted)

You can barely see the last part of the FI system from the engine area. However, with the engine and transaxle removed, you can get a clear shot of the Decel Valve that is mounted up under the decklid hinge.

1979 VW Beetle - FI AJ Code Engine Parts
1979 VW Beetle – FI Decel Valve (mounted)

Now the purpose of the Deceleration (Decel) valve on the L-Jetronic Fuel Injection system operates at closed throttle and is to bleed some of the air out of the system to lean the mixture for a few moments and to reduce the the vacuum level.  It apparently plays a key role in avoiding exhaust overheating in stopped or stop-and-go traffic.

It is all about balancing vacuum in the system.

Unexpected

1979 VW Beetle - Accelerator cable
1979 VW Beetle – Accelerator cable

I did not expect to find the accelerator cable about ready to fall apart.

I have no idea how this happened. I don’t know if it has been degrading slowly or I caused it during engine disconnect and dropping.

This obviously needs to be fixed now.

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