Cat 3406 C Valve Lash

I don,t have a book on the C but on the one earlier 3406 and it calls for .015" for intakes and .030" for the exhausts.Someone I,m sure has a book showing the settings for the C models.

http://www.tecbrake.com/Catepillar%20Manuals/TB990107_INSTALLATION_MANUAL_T346A_REVA__11-15-99_.pdf

hello CatDW20 ,make sure you get the right serial number for your engine ,bruce oz



Engine Model Engine Slave
Yr./Prefix Rating (HP) Lash
3406 92U All 0.060” (1.52 mm)
3406B Pre-91 4MG, All 0.080 in. (2.03mm)
5YG, 7FB, 8TC
3406B 3ZJ16181 & All except 400 0.080 in. (2.03mm)
below
3406B 3ZJ16181 & 400 0.067 in. (1.70mm)
below
3406C 3ZJ16182 & 310-350 0.080 in. (2.03mm)
greater
3406C 3ZJ16182 & 365-460 0.090 in. (2.28mm)
greater
3406B 5KJ All except 400 0.080 in. (2.03mm)
3406B 5KJ 400 0.067 in. (1.70mm)
3406C 5KJ 310-350 0.080 in. (2.03mm)
3406C 5KJ 365-460 0.090 in. (2.28mm)
3406C 8PN All 0.080 in. (2.03mm

With that much valve lash, it is no wonder they clatter.😊

hello CatDW20 , i should have asked if it on highway or off ,the settings above are for on highway ,bruce oz