EGR replacement on early GM TBI engines.
This is the follow up video after testing EGR switch and valve. EGR replacement with minimal removal of surrounding parts.
Tools used:
13 mm wrench, 1/4" ratchet w/ extension and 13 mm swivel socket.
Rust penetrating fluid- PB blaster or WD-40.
A blade to clean old gasket residue.
Throttle body cleaner to make sure it's clean and clear of debris.