4A-GZE MK1 Engine FYI: No. 4 Cylnder Exhaust Manifold bolt size [Archive] - Toyota MR2 Message Board

4A-GZE MK1 Engine, bolt, manifold, thread, tube, exhaust, remove, tapped, head, discovered, 1.25, length, bolt/stud, result, crack, 30mm, tighten, short, cylnder, 14mm, open, fully, wrench, driving, naught, alternative, replacing, methods, holding, hardware, miles, store, glutton, attempts, early, punishment, feel, flared, missing, part, shield, heat, cylinder, 1.25mm, 10mm, pitch, searched, 35mm, number, miscellaneous

Had noticed for quite a while that the bolt/stud was missing from my exhaust manifold by the number 4 cylinder. After using various taps, I discovered the head was tapped for a 10mm 1.25mm thread pitch bolt/stud. I searched my miscellaneous bolt bin and discovered that I had a 35mm thread length 10 x 1.25 bolt with flared 14 mm head. The fun part was getting the bolt in with the heat shield and EGR tube inconveniently in its way. (I had the intercooler removed at this point.) After using