Heavily rusted cast-iron exhaust manifold viewed from under the…

I wasn't able to get any penetrating oil on the tops of the flange studs before removing the wheelwell, but it'll be easy now.

Surprisingly, the Jasper installers put the starter solenoid's white (yellow with age) plastic heat shield back into place. Obviously, they forgot the spark plug heat shields, and the wire ends are suffering.

The silver tube to the L is the 2ndry air downpipe to the catalytic converter. The black one is the trans dipstick/filler tube. The rusty fitting at the extreme L is a trans cooler line.

I didn't fix it on this truck, but the evaporator insulation hanging down in this pic can be replaced with a more-robust modern material, like this:

Owner caption November 2009 · Photo 59 of 434