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Fist major trip since rebuild [message #330927]

Sat, 14 April 2018 14:42

NextGenGMC

Messages: 146
Registered: December 2017
Location: Washington State

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Senior Member

Hello Fellow GMCers,
While many of you were at Tuscon rally, I had finally had a chance to take my GMC on a major "maiden" voyage after replacing transmission last year. The round trip was almost 900 miles and the unit ran beautifully. I stayed at 55-60 MPH most of the trip. It seems like that was best speed for smooth steering and happy sound coming form the engine. Did my best to shift to "S" when heading up long steep grades. That worked well and I'm finally getting used to it. I have a couple of questions that I hope someone might be able to answer:

1. Once in awhile (especially in heavy stop-and-go city traffic or on long uphills) I could smell the odor of the transmission fluid. Since this was my unit's first major run since rebuild, first couple times when that happened, I stopped and examined the underside of the coach and all trans cooler line connectors. All is dry and there is no leaks anywhere. I also checked the transmission vent outlet and there is no fluid coming from there ether (all dry). Where would this odor be coming from? Is is just venting fumes from transmission?

2. Engine oil pressure was running at 35-40PSI at all times, even at idle. Does it need to be higher/lower, or am I good with this?

3. On my way back (after about 700 miles) I lost an AC compressor belt. I wasn't running AC, so it didn't really matter. This was a new belt. My question is - what would cause it to fail? Did I install it too tight? Other reasons?

4. Engine temp stayed at 175F most of the time while we were moving. However, I noticed that my GMC REALLY does not like the stop and go traffic in the big cities. As soon as we slowed down to a crawl or were stuck in standing traffic the temps would slowly creep up to 220F. It was on first yellow light of the Digi-Pannel and never went above that. Again, as soon as we'd start moving the temp will slowly drop until the next stop... I did not like that part of the drive Sad

. Is this normal for the GMC? Suggestions for possible fix?

5. GMC consumes about a quart of oil per fill up (after burning 40+ gallons of fuel). Is this excessive or can I live with it as long as I keep my eye on it?

Thank you in advance.
Vadim

Vadim Jitkov '76 Glenbrook 26' Pullman, WA

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[Message index]

		Fist major trip since rebuild By: NextGenGMC on Sat, 14 April 2018 14:42
		Re: Fist major trip since rebuild By: JohnL455 on Sat, 14 April 2018 15:17
		Re: Fist major trip since rebuild By: JohnL455 on Sat, 14 April 2018 15:19
		Re: [GMCnet] Fist major trip since rebuild By: sgltrac on Sun, 15 April 2018 13:34
		Re: Fist major trip since rebuild By: RF_Burns on Sat, 14 April 2018 15:40
		Re: [GMCnet] Fist major trip since rebuild By: johnd01 on Sat, 14 April 2018 16:06
		Re: [GMCnet] Fist major trip since rebuild By: James Hupy on Sat, 14 April 2018 17:04
		Re: [GMCnet] Fist major trip since rebuild By: <rallymaster on Sun, 15 April 2018 17:14
		Re: [GMCnet] Fist major trip since rebuild By: Hal StClair on Sun, 15 April 2018 21:56
		Re: Fist major trip since rebuild By: RF_Burns on Sat, 14 April 2018 17:17
		Re: Fist major trip since rebuild By: NextGenGMC on Sat, 14 April 2018 17:21
		Re: Fist major trip since rebuild By: JohnL455 on Sat, 14 April 2018 19:25
		Re: Fist major trip since rebuild By: JohnL455 on Sat, 14 April 2018 19:32
		Re: Fist major trip since rebuild By: NextGenGMC on Sat, 14 April 2018 21:49
		Re: Fist major trip since rebuild By: Hal StClair on Sat, 14 April 2018 22:30
		Re: Fist major trip since rebuild By: Ken Burton on Sun, 15 April 2018 05:31
		Re: Fist major trip since rebuild By: NextGenGMC on Sun, 15 April 2018 11:49
		Re: Fist major trip since rebuild By: Ken Burton on Tue, 17 April 2018 08:21
		Re: Fist major trip since rebuild By: JohnL455 on Sun, 15 April 2018 09:06
		Re: Fist major trip since rebuild By: NextGenGMC on Sun, 15 April 2018 11:50
		Re: Fist major trip since rebuild By: JohnL455 on Sun, 15 April 2018 09:36
		Re: Fist major trip since rebuild By: jhbridges on Tue, 17 April 2018 10:46
		Re: Fist major trip since rebuild By: bwevers on Tue, 17 April 2018 11:44
		Re: [GMCnet] Fist major trip since rebuild By: sgltrac on Tue, 17 April 2018 16:24
		Re: [GMCnet] Fist major trip since rebuilder. By: jimk on Wed, 18 April 2018 08:44
		Re: [GMCnet] Fist major trip since rebuilder. By: Ken Burton on Wed, 18 April 2018 09:34
		Re: [GMCnet] Fist major trip since rebuilder. By: mghamms on Wed, 18 April 2018 14:35
		Re: [GMCnet] Fist major trip since rebuilder. By: James Hupy on Wed, 18 April 2018 15:02
		Re: [GMCnet] Fist major trip since rebuilder. By: emerystora on Wed, 18 April 2018 15:12
		Re: [GMCnet] Fist major trip since rebuilder. By: Mike Kelley on Wed, 18 April 2018 16:01
		Re: [GMCnet] Fist major trip since rebuilder. By: USAussie on Wed, 18 April 2018 15:19
		Re: [GMCnet] Fist major trip since rebuilder. By: James Hupy on Wed, 18 April 2018 15:32
		Re: [GMCnet] Fist major trip since rebuilder. By: USAussie on Wed, 18 April 2018 17:13
		Re: [GMCnet] Fist major trip since rebuilder. By: Ken Burton on Thu, 19 April 2018 08:31
		Re: [GMCnet] Fist major trip since rebuilder. By: James Hupy on Thu, 19 April 2018 09:12
		Re: [GMCnet] Fist major trip since rebuilder. By: Ken Burton on Fri, 20 April 2018 02:16
		Re: [GMCnet] Fist major trip since rebuilder. By: USAussie on Thu, 19 April 2018 14:34
		Re: [GMCnet] Fist major trip since rebuilder. By: cadelec on Thu, 19 April 2018 17:36
		Re: [GMCnet] Fist major trip since rebuilder. By: Matt Colie on Thu, 19 April 2018 18:37
		Re: Fist major trip since rebuild By: jhbridges on Thu, 19 April 2018 11:38
		Re: Fist major trip since rebuild By: jhbridges on Fri, 20 April 2018 07:36

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