Home Made KV6 Cam Turning Tool

Rich in Vancouver · 5th February 2022, 04:02

I have a set of the "Offshore" KV6 timing belt tools and one thing that I have found awkward is that rather than supply a separate cam turning tool they simply added a hex section to the end of the cam holding tools.
Once you put a socket or wrench on the end of the tool it is very difficult to fit it in place due to the position of the AC pipes in the engine bay. There is also the danger that if the tool cocks it could break the end of the cam at the locating notch.
The factory turning tool 18G1747-4 simply fits into the end of the cam and is compact enough that you can attach a socket and bar without the AC pipes being in the way. Having struggled through several timing belt changes using the aftermarket tools and not being able to find one of the factory turning tools for sale I decided to make my own version

I found a socket that was the best size to fit snugly over the end of the cam. I happened to have an extra 1 1/8" 6-point socket and ground the flats inside with a dremel so it would over the cam with little play. I then drilled a hole through the socket and tapped one side for 8x1.25mm thread to allow me to insert a cut down shank from an 8mm bolt which would locate in the slot at the end of the cam and allow it to be turned. I cut the socket down for length so the bolt shank would fit to the bottom of the cam notch.
After that I cut the threaded end of the bolt flush with the outside of the socket, cleaned up any fresh edges and added a T-handle to the socket.
I also cut the hex ends off the cam holding tools as they would no longer be needed.
The tool works great. The shortened cam holding tools no longer interfere with the AC pipes and the new cam turning tools make it very easy to rotate the exhaust cam as necessary. I was able to hold the rear pulley assembly with my right hand and turn the cam with my left with no fear of the tool coming out of the cam and causing damage. The tool is secure enough that it can be placed on the exhaust cam before offering up the pulleys.

I also looked at modifying one of the adaptors for the front cam into a tool as it is very similar to the factory tool but it would not sit in the cam recess as securely so gave the idea a pass.

The homemade tool made an awkward job much easier and I have now made a spot for it in the timing tool case.

Here is the tool in use on the rear exhaust cam

5th February 2022, 04:02	#1
Rich in Vancouver Gets stuck in MG ZT-T Join Date: Jun 2016 Location: White Rock, BC on Canada's Pacific Coast Posts: 849 Thanks: 338 Thanked 367 Times in 210 Posts	Home Made KV6 Cam Turning Tool I have a set of the "Offshore" KV6 timing belt tools and one thing that I have found awkward is that rather than supply a separate cam turning tool they simply added a hex section to the end of the cam holding tools. Once you put a socket or wrench on the end of the tool it is very difficult to fit it in place due to the position of the AC pipes in the engine bay. There is also the danger that if the tool cocks it could break the end of the cam at the locating notch. The factory turning tool 18G1747-4 simply fits into the end of the cam and is compact enough that you can attach a socket and bar without the AC pipes being in the way. Having struggled through several timing belt changes using the aftermarket tools and not being able to find one of the factory turning tools for sale I decided to make my own version I found a socket that was the best size to fit snugly over the end of the cam. I happened to have an extra 1 1/8" 6-point socket and ground the flats inside with a dremel so it would over the cam with little play. I then drilled a hole through the socket and tapped one side for 8x1.25mm thread to allow me to insert a cut down shank from an 8mm bolt which would locate in the slot at the end of the cam and allow it to be turned. I cut the socket down for length so the bolt shank would fit to the bottom of the cam notch. After that I cut the threaded end of the bolt flush with the outside of the socket, cleaned up any fresh edges and added a T-handle to the socket. I also cut the hex ends off the cam holding tools as they would no longer be needed. The tool works great. The shortened cam holding tools no longer interfere with the AC pipes and the new cam turning tools make it very easy to rotate the exhaust cam as necessary. I was able to hold the rear pulley assembly with my right hand and turn the cam with my left with no fear of the tool coming out of the cam and causing damage. The tool is secure enough that it can be placed on the exhaust cam before offering up the pulleys. I also looked at modifying one of the adaptors for the front cam into a tool as it is very similar to the factory tool but it would not sit in the cam recess as securely so gave the idea a pass. The homemade tool made an awkward job much easier and I have now made a spot for it in the timing tool case. Here is the tool in use on the rear exhaust cam __________________ ZT-T190, Anthracite, LHD, Left the Line on June 24, 2002, Sold new in Switzerland, spent time in Germany, Imported to Canada in September 2021 Last edited by Rich in Vancouver; 5th February 2022 at 14:53..