How To Change the AC Compressor on a GMC 1500

I currently swapped the AC compressor on my 1995 GMC K1500 Suburban. The compressor and method are the very same for many other Chevy and GMC trucks which includes the 2500 and 3500.

Replacing the AC compressor on the GM 350 motor just isn't virtually as difficult as it appears. The compressor is held to the motor by an aluminum cradle. The cradle doesn't have to be removed to replace the compressor. You will discover merely three bolts that maintain the compressor to your cradle that have to get removed.

Notice that this process only handles the bodily swap in the compressor, not he involved duties relevant to servicing the AC procedure after a compressor failure.

Get started by eliminating the freon from the technique. If you want to have it reclaimed, take it to a shop that does this.

Remove the 2 electrical connections towards the compressor.

Next take away the freon lines kind the again in the compressor. The manifold is held in place by one single bolt. Mine was 15 MM.

Use a pry bar to move the belt tensioner and slide the belt off. I discovered the easiest pulley to obtain the belt off of was the clean idler under the compressor.

Using the freon lines out of the best way, the bolts are a lot much easier to access. You will discover nuts to the back again as well as the bolt heads are held in site by a boss about the entrance. Mine ended up 9/16".

Using the nuts taken out  the bolts can be pushed out the front. However, it appears that they'll not apparent the clutch. However, there's a flat minimize on just about every bolt. Rotate the flat to get next to the clutch and also the bolts will slide out. A pry bar can be employed to receive just a little additional clearance in case the bolt does not slide previous simply.

On mine, a single bolt also interfered with the enthusiast shroud. I found that by eliminating the bolts that keep the shroud to the front header, the shroud could be moved sufficient to obtain the bolt out.

When using the bolts all out, the compressor only lifts outside of the cradle.

Along with the compressor out, I had to swap a strain swap that didn't include my alternative compressor. This swap is held in site by using a snap ring.

Before trying to slip the brand-new compressor back again into your cradle, take time to tap the bolt hole inserts all the method to the again from the cradle. This will make inserting the brand-new compressor substantially easier. They'll press again into your accurate location when the nuts are tightened.

Slide the bolts back in by yet again aligning the flat place on each and every bolt using the clutch and slide it in. Location the nuts on each individual bolt and tighten.

Reconnect the electrical connections for the compressor.

Secure the enthusiast shroud.

Be sure the belt is routed appropriately and make use of a pry bar to move the tensioner and slip the belt back in site.

Add the accurate quantity of oil and reattach the freon lines towards the compressor.

You can now have the program serviced plus the freon replaced. Resource : Dodge Ram Diesel AC Compressor