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Topic: Anyone changed out the fan clutch or alternator for '85 (or thereabo (Read 9 times) previous topic - next topic
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Re: now belt squeal and bad Ju Ju, was Re: Anyone changed out the fa
Reply #25 –
Yahoo Message Number: 127015
Larry, This may be true of the V-10, but the V-8 (460 cid) has the standard power brake system like autos.
Dale.

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now belt squeal and bad Ju Ju, was Re: Anyone changed out the fan cl
Reply #26 –
Yahoo Message Number: 127016
"This may be true of the V-10, but the V-8 (460 cid) has the standard power brake system like autos."

Dale

Then you probably have an E350, which use vacuum-boosted brakes.
 E450s and the older G-30s use hydroboost systems. Hydraulic boosters produce much greater brake line pressures than a traditional vacuum booster and do so in a smaller space.

Larry
2001 MB
* Not to be confused with Larry W (3000 of my posts are actually from expert Larry W due to Yahoo transition mis-step)
Re: now belt squeal and bad Ju Ju, was Re: Anyone changed out the fa
Reply #27 –
Yahoo Message Number: 127018
Quote
"This may be true of the V-10, but the V-8 (460 cid) has the standard power brake system like autos."

Then you probably have an E350, which use vacuum-boosted brakes.
Perfectly illustrates my point that giving the rig's floor plan provides little useful information about which chassis/engine the rig has and that information is needed to provide the correct answer for mechanical questions.
 Of course, there are exceptions, every MB made in the year we got ours was on the E450 chassis with the V10.
 Consider that late model 23 foot rigs could have either a V8 or a V10.

Just saying that if your question is about things in the "box", the floor plan may be relevant. If your question is about the engine, say which engine.
Don & Dorothy
Sold our LD in June of 2023

Our boring always non-PC travel blog
Traveling Dorothy
Re: Anyone changed out the fan clutch or alternator for '85...
Reply #28 –
Yahoo Message Number: 127349
On Nov 29, 2011, at 10:55 PM, Larry wrote:

Quote
Take Steve's suggestion and buy a Krikit gauge for setting the belt tension.
Just a quick followup.. I did end up ordering a Krikit belt tensioning gauge for the LD and I've had it for several weeks but hadn't the time to play with it.. Anyway, I just looked in the manual for the G30 (1985) and found the belt tension table (page 6B-2 for those following at home -- in the GM manual) which says all belts except AC should be 130lb for new belts and 50-80 for used belts.  Anyway, I just checked and assuming I'm doing it at the right spot (midway between alternator pulley and center of engine (whatever the next pulley is towards the center -- I don't recall), I read about 68lb give or take so I think I may be OK there.. However, I'll probably just replace all of the belts and be done with it..  I'm not particularly looking forward to doing that though since it's rather tight down there but will give me peace of mind afterwards.  I'll see about digging up the offending Gates belts as I think they're about as good as they get quality wise.

-- Rick

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Re: Anyone changed out the fan clutch or alternator for '85...
Reply #29 –
Yahoo Message Number: 127353
Quote
for new belts and 50-80 for used belts.  Anyway, I just checked and assuming I'm doing it at the right spot (midway between alternator pulley and center of engine (whatever the next pulley is towards the center -- I don't recall), I read about 68lb give or take so I think I may be OK there.. However, I'll probably just replace all of the
As long as you are away from the pulley it does not matter. However, the tricky part can be reading the gauge. Note that the reading should be taken where the TOP surface of the indicator arm crosses the scale - not the bottom.

Steve
2004 FL
2013 Honda Fit
 
Re: Anyone changed out the fan clutch or alternator for '85...
Reply #30 –
Yahoo Message Number: 127354
On Dec 15, 2011, at 3:51 PM, aq433 wrote:

Quote
As long as you are away from the pulley it does not matter. However, the tricky part can be reading the gauge. Note that the reading should be taken where the TOP surface of the indicator arm crosses the scale - not the bottom.
Correct.. I had to study the enclosed manual a bit before I understood how to read the scale on it.. The first few times I read the scale I thought it was reading nothing but was reading it backwards.  Too bad their picture isn't a bit more clear on the instructions.

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