Thread: Info needed: 1967 M38A1 Lubrication?
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Old 12-08-17, 05:47
Les Kovacs Les Kovacs is offline
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Join Date: Jun 2017
Location: Toronto, Canada
Posts: 137
Default Spark Plugs

Hi Rob....thanks for the spark plug change info...priceless!
About the pinion seal...back in 1998 I had a 1996 GMC 1 ton 4x4 diesel pickup....it has a pinion seal leak....I took it to a GMC dealership as it was still on warranty....the mech carefully (I watched) tapped in a new pinion seal via a ball pean hammer....I brought it back 2-3 days later as it was leaking worse.....mech again carefully tapped a new seal into the 14 bolt 1 ton axle.....2-3 days later it leaked again....I then did research which said not to tap in the seal with a hammer.....best to use a pinion seal "J" tool....I took it back to the shop....talked to service manger.....I asked him to purchase a J tool to install 3rd seal.....he raked me over the coals saying that his 25 year plus experienced mech does not need to be told what tool to use...I still pressured him to get his mech a J tool....he did...3 days later the pissed of mech installed the 3rd seal with a J tool....I just sold the 1996 GMC diesel to a local farmer....after 16 years it had over 400,000 kms on that 3rd pinion seal...so much for a experienced front end mech....my research saved myself and the dealership time & money in not having to return again...so I am still weary about any mech touching my vehicles....for over 40 years I wrenched on my own vehicles(aside from free warranty work) in short, I would normally do all the work but recently severe arthritis in my hands as all but stopped the heavy work and I now only do oil, filter changes etc. That being said, I am still waiting for all the front end and tune-up parts I ordered last week.

PS...thanks for CDN 2 info....yup, while looking for M38A1's....I had noticed that many had cracks in that area but I just though that the bumper-etts were hit too many times. The brake adjusts are a great addition....my CDN 2 does come with a direction (electronic) signal stalk and seat belts of which I am told were put on during its last years at Petawawa (early 80's)

Thanks again....les
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