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Re-torquing head bolts can prevent head gasket failure. Some manufacturers have issued technical service bulletins describing the procedure. (See Saab example here: http://www.saabnet.com/tsn/members/gallery.html?memberID=112&do=show&id=369 ) Reducing the tension on bolts one at a time (But not all the way.), then tightening in sequence is often done, particularly on engines with aluminum heads. Once the gasket has failed re-torquing is less likely to stop the leak. No. Torque specs are calculated on a new head gasket. If you are experiencing a leak in a head gasket, you would be safe to assume that the gasket has already burned a hole in the gasket.
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What is the torque and tightening pattern when using old bolts to replace the head gasket on a 1989 Chevy S-10 2.5?
You cannot use the old bolts to retorque the heads. They are torqure to yield bolts. You must get new bolts.
Can you run a02 kia spectra 1.8 dohc with only 9 head bolts?
Running a 2002 Kia Spectra 1.8 DOHC engine with only 9 head bolts is not advisable. The engine is designed to operate with a specific number of head bolts for proper clamping force, which ensures a good seal between the cylinder head and the engine block. Operating the engine with missing head bolts could lead to coolant leaks, loss of compression, overheating, and severe engine damage. It's essential to replace any missing bolts and ensure proper torque specifications are met for safe operation.
How do you remove the head on a 1994 Camero engine?
by removing the head bolts
How much is the torque of 2c cylinder head bolts Toyota?
torque for 2c engine cylinder head bolts
Do you need to replace the head bolts when you replace the heads on your 4.0 L V6?
If the engine is high mileage yes, replace the head bolts. If it is low mileage it is your choice, but is always a good idea to replace them.
What is engine head bolts tqures?
Varies by engine. We'd need to know the engine in order to answer this.
Do the head bolts on 86 crx need replaced after head removal?
If it's the Civic CRX 1.5Ltr engine code EW3the head bolts can be reused
What causes oil to be on spark plugs in a 88 Toyota supra?
valve cover gaskets OR (usually more likely) the No.3 Cyl Head bolts leaking oil. Take the spark plug valley cover off and thow it out and get some aoil drain plug gaskets for the 14mm hex head bolts and retorque them on, this will solve your proble.
What is the torque on head bolts for a 3800 Pontiac engine?
The 3800 Pontiac engine had bolt torque specification is 160 pounds. The head bolts should be torqued in 40 pound intervals.
1995 Mercury Tracer Torque specs for head bolts?
Torque sequence------------ l 93157 l l 862410 l ------------ Step 1: torque in sequence to 44 Ft/LBS Step 2: in sequence completely loosen all bolts Step : retorque all bolts in sequence to 44 Ft/LBS Step 4: in sequence turn an additional 90 degrees Step 5: in sequence turn an additional 90 degrees Recheck final torque in sequence***CAUTION*** engine uses Torque To yield head bolts (TTY) that permanently stretch during the initial installation. New head bolts must be used when cylinder head is replaced or re-installed to obtain proper torque.
Where does the shorts head bolts go on 1.6L 2005 KIA RIO?
On a 2005 Kia Rio with a 1.6L engine, the short head bolts are used to secure the cylinder head to the engine block. These bolts are typically located around the perimeter of the cylinder head, with specific positions varying based on the engine design. It's important to follow the manufacturer's service manual for the correct torque specifications and sequence when installing these bolts to ensure proper sealing and engine performance.
How to AND remove AND northstar engine?
visual of head bolts on 1999 northstar
