'84 6.2 Burb + 91 6.2 motor = water pump issue! Help!?! - The 1947 - Present Chevrolet & GMC Truck Message Board Network

3QTRTONS · 03-18-2012, 09:23 AM

Bought an '84 Burb that the PO had replaced the original 6.2 Diesel with one out of a '91 (or '92). The '91s serpentine system was gone so he set up a V-belt system on it. Ran it up and down the road; went fine. Long idle; fine.

Sold it to me. Driving it home, (12 miles) the temp pegs!

Am I right in figuring that the water pump is flowing in the wrong direction? I've googled this and it seems to show there may be a problem replacing the '91 water pump with an '84 because of the backing plate and/or timing cover may not be compatible between the two engines? If this is the case, is there such a thing as a reverse flow water pump for these?

OR,,,,,,, am I looking at this all wrong!?!?!?

03-18-2012, 09:23 AM	#1
3QTRTONS Registered User Join Date: Mar 2010 Location: Warren, ME. Posts: 233	'84 6.2 Burb + 91 6.2 motor = water pump issue! Help!?! Bought an '84 Burb that the PO had replaced the original 6.2 Diesel with one out of a '91 (or '92). The '91s serpentine system was gone so he set up a V-belt system on it. Ran it up and down the road; went fine. Long idle; fine. Sold it to me. Driving it home, (12 miles) the temp pegs! Am I right in figuring that the water pump is flowing in the wrong direction? I've googled this and it seems to show there may be a problem replacing the '91 water pump with an '84 because of the backing plate and/or timing cover may not be compatible between the two engines? If this is the case, is there such a thing as a reverse flow water pump for these? OR,,,,,,, am I looking at this all wrong!?!?!? __________________ 1994 C1500 rclb 1988 C1500 rclb 1969 ES5500 B E A S T 1983 C10 'farm truck' 1976 K20 Suburban 1984 K10 Suburban 1981 Jeep CJ5/350 Vortec 1941 Dodge WC18 Ambulance 2000 GMC Bus (parts warehouse)



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