Joined: Jun 09, 2011 Posts: 776 Location: Bellmore, NY
Posted: Fri May 08, 2015 11:40 pm Post subject: So took my M38A1 downtown
and got stuck in stop and go traffic. A 40 minute ride turned into 2+ hrs. Just as I was arriving at my destination, it seemed like the clutch was slipping. I would put it in 1st, and it would very slowly move forward, if I hit the gas, it would rev higher, but no go faster. Same with second, but not as bad. Finally I parked it and went to the fight I had tickets for. I then had dinner, and came back to the vehicle about 2 hours later. It started right up, and I had no problems most of the way home. When I was almost there, it was driving normal, but it sounded like someone put rocks in a washing machine. The more I sped up, the louder it got. At a stop, with the engine running, it was normal. Does anyone have any opinions on this? _________________ 1952 M38A1
Marine core reinforced rear bumper, military transistorized turn signal upgrade, arctic heater, 11" drum brakes, 200L PTO winch, Huffy overdrive, deep water fording kit, RT 68 vehicle mounted radio, Trac Locs front and rear.
www.danhenk.com
Last edited by Deadguy on Sat May 09, 2015 11:30 am; edited 1 time in total
Joined: Mar 22, 2014 Posts: 75 Location: Simcoe Ontario Canada
Posted: Sat May 09, 2015 5:21 am Post subject:
Sorry to hear about your trouble. If the tranny shifts and the engine rev`s I would be looking at the clutch or pressure plate. On the center hump forward is a removable plate, Take this off and under it is another plate on the top of the bell housing. Remove this cover and checkout the clutch parts and pieces. Hope this helps. Rob M38A1 CDN3 C.
Joined: Nov 24, 2010 Posts: 1390 Location: Orem, UT
Posted: Sat May 09, 2015 6:33 am Post subject:
As John states, maybe the cable is set too tight check that there is some free play in the clutch pedal travel before resistance is felt. Should be about 1" of free throw before it hits.
I can't imagine all of the sudden this being out of adjustment though, unless it was always set wrong after your build. If it is, your throw out bearing is probably toast. How many miles have you put on since it was put back together? _________________ Brett
'51 M38
PHOTO DIARY OF MY BUILD
Joined: Jun 09, 2011 Posts: 776 Location: Bellmore, NY
Posted: Sat May 09, 2015 9:54 am Post subject:
I put a new clutch and throwout nearing in there maybe 10,000 miles ago. I just checked, and free play before it engages is less than 1 inch _________________ 1952 M38A1
Marine core reinforced rear bumper, military transistorized turn signal upgrade, arctic heater, 11" drum brakes, 200L PTO winch, Huffy overdrive, deep water fording kit, RT 68 vehicle mounted radio, Trac Locs front and rear.
www.danhenk.com
Joined: Jun 09, 2011 Posts: 776 Location: Bellmore, NY
Posted: Tue May 12, 2015 12:06 am Post subject:
It;s been running fine the last few days. I talked to my mechanic friend who works on vintage jeeps, and he says these old clutches aren't made for stop and go traffic. I might have temporarily heat glazed it. Any opinions? _________________ 1952 M38A1
Marine core reinforced rear bumper, military transistorized turn signal upgrade, arctic heater, 11" drum brakes, 200L PTO winch, Huffy overdrive, deep water fording kit, RT 68 vehicle mounted radio, Trac Locs front and rear.
www.danhenk.com
Saw this in some old CJ2 correspondence. Could it be related to your issue?
REAR AXLE WEDGES - On the Model 2-WD and the Model 4-WD, 3 degree Axle Wedges, Part No. 645777, have been installed between the rear springs and the spring seats on the axle to raise the front end of the axle. This change aids in elimi- nating clutch rattle experienced in some vehicles, by giving a more direct drive thereby reducing drive line noise. Two Part No. 645776, Axle Bumper

You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum