I got two e320, s and on both the bottem right bolt is loose but wont pull out like the other 2 took a while but I got it out ....now on installation the screw wont go in while tightening. Is there a trick here ..cant be both my cars threads are stripped.first time I played with them....anyone else have this issue?

Are you aware that there is a 13mm nut on the back side of that bolt? It doesn't thread into the aluminium casting.

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90 300TE 4-M
Turbo 103, T3/T04E 50 trim
T04B cover .60 AR
Stage 3 turbine .63 AR
A2W I/C, 40 LB/HR
MS2E, 60-2 Direct Coil Control
3" Exh, AEM W/B O2
Underdrive Alt. and P/S Pulleys,
Vented Rear Discs, .034 Booster.
3.07 diffs 1st Gear Start

90 300CE 104.980
Milled & ported head, 10.3:1 compression
197° intake cam w/20° advancer
Tuned CIS ECU
4° ignition advance
PCS TCM2000, built 722.6
600W networked suction fan
Sportline sway bars
V8 rear subframe, Quaife ATB 3.06 diff

No I did not how the heck do you reach that , ill check tommorow ty

bru023, it's likely that the nut is covered/hidden in gunk. Best to thoroughly clean the front of your engine in the process of sorting out the drive belt tensioner.

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Fred Hoelzle

I Found it ty. You have to unplug a vaccum line ans some sensor to clear space but can just reach your hand in and hold the nut while tighting from front........all the work is now done and the belt is still lose99...im about to call it quits