There is also a notorious issue of loose timing case bolts, like the one pictured. I found that I was able to knock the dowel pin in about an eight of an inch. The accepted ways of dealing with it are to tab it with a tab that covers the hole and is held in place by the bolt, or to peen the aluminum case so the pin cannot back out of the hole. I did the latter. As for the bolts, of the four, three were tight, but the fourth was finger loose. Two of these bolts hide behind the timing gear. They have to be handled one at a time through one of the three windows in the gear. I cleaned the holes and retorqued the case bolts with red Locktite. I could not locate a timing case/crank seal on Memorial Day, so I was not able to button it up yet. I feel that I dodged a bullet with the loose bolt. I sure did not want that hardened piece of steel bouncing around the timing case with all those gears.
Tuesday, May 27, 2008
Killed my dowel pin.
The infamous dowel pin (photo center, ten o'clock from the bolt head) is found in the timing case. Many people have reported this coming out and cycling through the timing gears and trashing the front of the motor. Since I have open access to the timing cover on the front of the engine right now, and I am waiting on my tranny housing, I decided to take care of this potential issue.
There is also a notorious issue of loose timing case bolts, like the one pictured. I found that I was able to knock the dowel pin in about an eight of an inch. The accepted ways of dealing with it are to tab it with a tab that covers the hole and is held in place by the bolt, or to peen the aluminum case so the pin cannot back out of the hole. I did the latter. As for the bolts, of the four, three were tight, but the fourth was finger loose. Two of these bolts hide behind the timing gear. They have to be handled one at a time through one of the three windows in the gear. I cleaned the holes and retorqued the case bolts with red Locktite. I could not locate a timing case/crank seal on Memorial Day, so I was not able to button it up yet. I feel that I dodged a bullet with the loose bolt. I sure did not want that hardened piece of steel bouncing around the timing case with all those gears.
There is also a notorious issue of loose timing case bolts, like the one pictured. I found that I was able to knock the dowel pin in about an eight of an inch. The accepted ways of dealing with it are to tab it with a tab that covers the hole and is held in place by the bolt, or to peen the aluminum case so the pin cannot back out of the hole. I did the latter. As for the bolts, of the four, three were tight, but the fourth was finger loose. Two of these bolts hide behind the timing gear. They have to be handled one at a time through one of the three windows in the gear. I cleaned the holes and retorqued the case bolts with red Locktite. I could not locate a timing case/crank seal on Memorial Day, so I was not able to button it up yet. I feel that I dodged a bullet with the loose bolt. I sure did not want that hardened piece of steel bouncing around the timing case with all those gears.
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