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stallion112 11-29-2015 02:50 PM
429 Timing chain cover
 
Do any of the bolts located on the sides of the timing chain cover under the water pump thread into through holes in the block and directly into water jackets? I'm trying to trace the source of some coolant seepage towards the bottom of the cover. It is a DOVE block from ~71.

iva bigan 11-30-2015 03:03 AM
Stallion 112

I just checked my DIVE block and not one of the bolt holes goes through to the water jacket,they are blind holes.
Not to confuse you ,there is one through hole but it goes through to the valley.

Iva Bigan

keezling 11-30-2015 11:48 AM
No scource for coolant bottom of cover. It's coming from above running down a seam and fooling you. Possibilitys include t cover gasket, pump gasket, by pass hose, t stat gasket, intake gasket, or top hose. Clean it blow dry it pressurize system and let it sit. You'll see it.

Paul Kane 11-30-2015 02:29 PM
Quote:
Originally Posted by stallion112 (Post 1373066)
Do any of the bolts located on the sides of the timing chain cover under the water pump thread into through holes in the block and directly into water jackets? I'm trying to trace the source of some coolant seepage towards the bottom of the cover. It is a DOVE block from ~71.
The 385 Series timing cover has channels on its backside which circumnavigate the water pump holes in the front of the block. This way, should a leak occur there the water will enter the channel in the timing cover which then directs/dumps the water out outside of the cover rather than allowing it to seep further inward and dump into the crankcase.


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