Search found 97 matches

by ice-n-tropics
Wed Aug 09, 2017 4:28 pm
Forum: Automotive Air Conditioning Forum
Topic: New Sanden squalling above 3000 rpm
Replies: 11
Views: 7195

Re: New Sanden squalling above 3000 rpm

All/100% of SD508s are noisy at 2800 compressor rpm. Comp itself is ok. The addition of a aftermarket suction muffler reduces noise 20% and a discharge muffler reduces NVH another 15%. Oil quantity is ZERO influence. Get use to it or swap for a SD7H15 or a swashplate drop in or a SD708 (bracket mods...
by ice-n-tropics
Mon Jul 03, 2017 5:38 pm
Forum: Automotive Air Conditioning Forum
Topic: Need to find the right part to replace my a/c clutch
Replies: 16
Views: 8973

Re: Need to find the right part to replace my a/c clutch

Looks a lot like the OEM Sanden SD7H15 with around 100k mi If the clutch friction surfaces wear and the disengaged air gap gets too large, then the flat springs are flexed beyond their safety limit, the springs fatigue and crack. This web site often recommends removing adjustment shims to compensate...
by ice-n-tropics
Thu Jun 22, 2017 7:41 am
Forum: Automotive Air Conditioning Forum
Topic: Knock off compressor
Replies: 10
Views: 6508

Re: Knock off compressor

Brad, 10-4 on the 4 cylinder boat anchor Clutch friction surface finish is optimal between smooth and rough. Too smooth is also undesirable. I prefer Iscar cutting mills and lathe, carbide insert, tools from Israel. Gear cutting hobbs (for the anti-rotation gear on a wobble plate compressor) can hav...
by ice-n-tropics
Wed Jun 21, 2017 12:26 pm
Forum: Automotive Air Conditioning Forum
Topic: Knock off compressor
Replies: 10
Views: 6508

Re: Knock off compressor

Tim,
Please forward my posts and discuss with them OFI (opportunity for improvement) to include a note on amount of lub in crankcase.

hotrodac
"How to Air Condition Your Hot Rod"
by ice-n-tropics
Wed Jun 21, 2017 11:48 am
Forum: Automotive Air Conditioning Forum
Topic: Knock off compressor
Replies: 10
Views: 6508

Re: Knock off compressor

Brad, 4-seizen's can't make a silk purse out of a sow's ear (pig's ears are just dog food). The 4 high torque peaks of the R-4 per revolution are not forgiving of border line machining and assembly spec's. DELCO/Harrison design and OEM application are the basic root cause of much of the vibration an...
by ice-n-tropics
Tue Jun 13, 2017 2:41 pm
Forum: Automotive Air Conditioning Forum
Topic: Knock off compressor
Replies: 10
Views: 6508

Knock off compressor

Tim ol leader of our "band of brothers", My bride of 48 years has a bone to pick with you: The Vistion/Halla Korean knock off you supplied is abnormally cold and in addition I miss knowing for sure that the clutch is engaged because I had become accustomed to hearing the engagements and ru...
by ice-n-tropics
Sun Nov 20, 2016 9:43 am
Forum: Automotive Air Conditioning Forum
Topic: Driving car with VDC and no refrigerant
Replies: 10
Views: 11648

Re: Driving car with VDC and no refrigerant

Agree with Detroit to disengage compressor shaft from pulley if possible because oil will not circulate w/o refrigerant Many condenser extruded tube designs incorporate a thicker tube wall on the leading edge to prevent rock punctures but you had a really tough bug Clutchless VDC displacement is red...
by ice-n-tropics
Tue Oct 18, 2016 10:35 am
Forum: Automotive Air Conditioning Forum
Topic: hardline and Swagloc fittings for auto a/c
Replies: 7
Views: 5306

Re: hardline and Swagloc fittings for auto a/c

F-150: Maybe you need a #8 hose at the compressor discharge instead of a #6 (you said) Detroit: welcome back to Tim's band of Brothers. You are long time gone but certainly not forgotten. I also spent too many years in 130 degree (military) hot labs and cactus lands and DV (& jim Baker grade) !s...
by ice-n-tropics
Thu Oct 13, 2016 12:03 pm
Forum: Automotive Air Conditioning Forum
Topic: 2011 Ram Compressor not kicking on
Replies: 9
Views: 6427

Re: 2011 Ram Compressor not kicking on

If your pressure verses ambient temp relation readings are correct then GM gave your answer for low charge
by ice-n-tropics
Sat Sep 03, 2016 11:58 am
Forum: Automotive Air Conditioning Forum
Topic: condinser too hot
Replies: 11
Views: 7634

Re: condinser too hot

total oil in Civic txv system should be approx. 4.5 oz (135cc or ml)
hotrodac

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