Question about 1991 Buick Regal

1 Answer

Oil pump assembly

When installing the oil pump on a 3800 should the spring go into the timing cover before the piston ?

Posted by on

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    MVP:

    An expert that gotĀ 5 achievements.

    Governor:

    An expert whose answer gotĀ voted for 20 times.

    Scholar:

    An expert who has written 20 answers of more than 400 characters.

  • Expert
  • 84 Answers

Hello, The piston goes in before the spring.

If you find this info to be correct, please enter a (fixya) rating.

Thanks, Gator241

Posted on Mar 03, 2009

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

NEED DIAGRAM FOR LOCATIONS OF CRANKSHAFT PULLY,OIL SLINGER AND SPRING.FOR 1983 MAZDA 2.2L DIESEL


Here is the procedure:-


  1. Remove setscrew from side of cylinder block.


  2. Remove oil pipe attaching bolts.


  3. Remove oil pump and strainer.
TIMING GEAR COVER



  1. Remove timing gear cover to case attaching bolts.


  2. Remove timing gear cover and gasket.

CAMSHAFT, CRANKSHAFT, IDLER & INJECTION PUMP GEARS



  1. Remove oil slinger and washers from crankshaft snout.
Using puller set 49 0839 425C or equivalent, remove crankshaft timing gear, Fig. 3.


  1. Position a clean rag between camshaft and idler gears, then remove cam gear lock bolt and washers.


  2. Using puller set 49 0839 425C or equivalent, remove cam gear from camshaft, Fig. 3.


  3. Remove idler gear to spindle retaining nuts and washers, then remove idler gear and spindle assemblies.


  4. Remove injection pump drive gear.


  5. Remove timing gear case to cylinder block attaching bolts, then the timing case.



CAMSHAFT




  1. Remove tappets from cylinder block.


  2. Remove camshaft thrust plate to cylinder block retaining bolts and washers, then pull camshaft from block.



PISTON & CONNECTING ROD




  1. Remove connecting rod bearing cap retaining nuts and bolts, then separate bearing cap from connecting rod.


  2. Using the wooden handle end of a hammer, push the piston and connecting rod assembly outward until piston rings clear cylinder bore. Remove piston and connecting rod assembly through top of cylinder block.


  3. To separate piston from connecting rod, remove piston pin retaining clips, then press pin from piston using a suitable driver.



CRANKSHAFT




  1. Remove rear oil seal cap retaining bolts, then the cap and seal.


  2. Remove main bearing cap to cylinder block retaining bolts, then the main bearing caps and thrust washers.


  3. Lift crankshaft from cylinder block.

Mar 26, 2015 | Mazda Cars & Trucks

1 Answer

2001 Ford Mustang 3.8 Liter


Autozone.com. There you can go to repair info after I believe setting up a username and password real quick and type in the year make and model of your car and that should help out a little. Good Luck!

Mar 04, 2014 | Cars & Trucks

1 Answer

How difficult is it to change the oil pump in a 1998 camaro(3800 V6)?


Should be inside the timing cover. You remove the timing cover to access the pump parts. Not really a pump assembly like pumps mounted inside oil pans.
I doubt the pump is faulty.
Have you checked the oil pressure with a mechanical gauge ?

Dec 18, 2012 | 1998 Chevrolet Camaro

1 Answer

I want to replace the oil pumpin a 1996 buick lasbre. need diagram


Removal:
  1. Disconnect the negative battery cable.
  2. Remove the front cover from the engine.
  3. Remove the oil filter adapter, pressure regulator valve and spring.
  4. Remove the oil pump cover-to-front cover screws and the cover. Remove the inner and outer pump gears.
Installation:
  1. Using petroleum jelly, pack the pump and assemble the gears in the housing.
  2. Tighten the oil pump cover-to-front cover screws to 97 inch lbs. (11 Nm).
  3. Install the pressure regulator spring and valve. Install the oil filter adapter.
  4. Install the front cover to the engine.
  5. Connect the negative battery cable.

chuckster57_26.gif

Mar 15, 2011 | Buick LeSabre Cars & Trucks

1 Answer

How long and easy is it to rebuild oil pump on 94 grand caravan 3.8l


Don't bother. Replace the unit.
3.0 liter
The oil pump assembly used on this engine is mounted at the front of the crankshaft. The oil pump also retains the crankshaft front oil seal.
  1. Remove the accessory drive belts.
  2. Remove the timing belt cover and timing belt. Refer to the timing belt removal and installation procedures in this section.
  3. Remove the crankshaft sprocket.
  4. Remove the oil pump mounting bolts (5), and remove oil pump assembly. Mark mounting bolts for proper installation during reassembly.

To install:
  1. Clean the oil pump and engine block gasket surfaces thoroughly.
  2. Position a new gasket on pump assembly and install on cylinder block. Make sure correct length bolts are in proper locations and tighten all bolts to 10 ft. lbs. (14 Nm).
  3. Install the crankshaft sprocket and timing belt. Recheck engine timing marks.
  4. Install the timing belt covers. For more details, refer to the timing belt cover installation procedures.
  5. Install the accessory drive belts.
  6. Refill the crankcase and start the engine.
  7. Check for correct engine oil pressure and for any oil leakage.
3.3 and 3.8 liter engines


  1. Disconnect the negative battery cable. Remove the dipstick.
  2. Raise the vehicle and support safely. Drain the oil and remove the oil pan.
  3. Remove the oil pickup.
  4. Remove the chain case cover.
  5. Disassemble the oil pump as required.

To install:
  1. Assemble the pump. Tighten the cover screws to 10 ft. lbs. (14 Nm).
  2. Prime the oil pump by filling the rotor cavity with fresh oil and turning the rotors until oil comes out the pressure port. Repeat a few times until no air bubbles are present.
  3. Install the chain case cover.
  4. Clean out the oil pickup or replace as required. Replace the oil pickup O-ring and install the pickup to the pump.
  5. Install the oil pan.
  6. Install the dipstick. Fill the engine with the proper amount of oil.
  7. Connect the negative battery cable and check the oil pressure. Check for any oil leaks.
for the 3.3 you can rebuild, 3.0 - replace.

Feb 15, 2011 | 1994 Dodge Caravan

2 Answers

Timing belt


TIMING BELT & SPROCKETS R & I
NOTE: Some procedures may differ slightly due to engine
construction.
Removal
1) Remove all necessary air ducts. Position No. 4 piston at
TDC of compression stroke. Align timing marks. See Fig. 2. Remove fan
and fan shroud. Remove belts. If necessary, remove radiator and
splashguard.
2) Prevent engine from rotating and remove crankshaft timing
pulley retaining bolt. Remove upper and lower timing belt covers.
Remove spring from tension pulley. Loosen adjusting bolt and move
pulley toward water pump. Remove timing belt.
CAUTION: Ensure pistons are at TDC when rotating camshaft or damage
may result.
Inspection
1) Handle timing belt carefully. Avoid twisting or kinking
belt. Do not allow belt to become contaminated by water, oil, dirt or
other contaminates. Inspect belt for cracks or damage. If necessary,
replace.
2) Measure tension pulley spring length and force. Spring
length should not exceed 2.76" (70.2 mm) and spring force should not
be less than 197-347 lbs. (27-48 kg).
3) Replace tension pulley spring if not within specification.
Installation
1) Pull tensioner fully toward water pump side and
temporarily tighten retaining bolt. Ensure No. 4 cylinder is at TDC on
compression stroke by rotating crankshaft until keyway aligns with
mark on front crankshaft seal housing (12 o'clock). Rotate camshaft
until timing mark on cam gear (arrow) aligns with mark on upper
camshaft cover (notch). See Fig. 2.
NOTE: When timing marks are aligned as stated above, No. 4 piston
is at TDC on compression stroke.
2) Position timing belt over crankshaft sprocket, oil pump
sprocket, camshaft sprocket and tensioner in that order. Ensure belt
is positioned in sequence given and without slack between sprockets.
Loosen tension sprocket adjusting bolt allowing spring tension to
tighten belt. Tighten adjusting bolt temporarily.
3) Temporarily install crankshaft pulley bolt and rotate
crankshaft 2 complete revolutions in opposite direction of engine
rotation, until marks on crankshaft and front oil seal retainer are
aligned again. See Fig. 2. Loosen tensioner lock bolt, allowing
tesioner spring to fully adjust tension. Tighten tensioner lock bolt.
4) Install timing belt covers. To complete installation,
reverse removal procedures. Tighten all bolts to specification. See
TORQUE SPECIFICATIONS table at end of this article.
Fig. 2: 2.3L & 2.6L Timing Alignment Marks
Courtesy of Isuzu Motor Co

Dec 13, 2010 | 1989 Isuzu Pickup 2WD

1 Answer

The engine has blown. I need to replace it or change pistons and rings. How difficult is it to change pistons and rings?


It can be time consuming and the end result may not be desirable if you haven't done it before.
--- The following is just a sample of what to do once the engine is torn down: Pistons and Connecting Rods
  1. Before installing the piston/connecting rod assembly, oil the pistons, piston rings and the cylinder walls with light engine oil. Install connecting rod bolt protectors or rubber hose onto the connecting rod bolts/studs. Also perform the following:
    1. Select the proper ring set for the size cylinder bore.
    2. Position the ring in the bore in which it is going to be used.
    3. Push the ring down into the bore area where normal ring wear is not encountered.
    4. Use the head of the piston to position the ring in the bore so that the ring is square with the cylinder wall. Use caution to avoid damage to the ring or cylinder bore.
    5. Measure the gap between the ends of the ring with a feeler gauge. Ring gap in a worn cylinder is normally greater than specification. If the ring gap is greater than the specified limits, try an oversize ring set. Fig. 5: Checking the piston ring-to-ring groove side clearance using the ring and a feeler gauge tccs3923.gif

    6. Check the ring side clearance of the compression rings with a feeler gauge inserted between the ring and its lower land according to specification. The gauge should slide freely around the entire ring circumference without binding. Any wear that occurs will form a step at the inner portion of the lower land. If the lower lands have high steps, the piston should be replaced. Fig. 6: The notch on the side of the bearing cap matches the tang on the bearing insert tccs3917.gif

  2. Unless new pistons are installed, be sure to install the pistons in the cylinders from which they were removed. The numbers on the connecting rod and bearing cap must be on the same side when installed in the cylinder bore. If a connecting rod is ever transposed from one engine or cylinder to another, new bearings should be fitted and the connecting rod should be numbered to correspond with the new cylinder number. The notch on the piston head goes toward the front of the engine.
  3. Install all of the rod bearing inserts into the rods and caps. Fig. 7: Most rings are marked to show which side of the ring should face up when installed to the piston tccs3222.gif

  4. Install the rings to the pistons. Install the oil control ring first, then the second compression ring and finally the top compression ring. Use a piston ring expander tool to aid in installation and to help reduce the chance of breakage. Fig. 8: Install the piston and rod assembly into the block using a ring compressor and the handle of a hammer tccs3914.gif

  5. Make sure the ring gaps are properly spaced around the circumference of the piston. Fit a piston ring compressor around the piston and slide the piston and connecting rod assembly down into the cylinder bore, pushing it in with the wooden hammer handle. Push the piston down until it is only slightly below the top of the cylinder bore. Guide the connecting rod onto the crankshaft bearing journal carefully, to avoid damaging the crankshaft.
  6. Check the bearing clearance of all the rod bearings, fitting them to the crankshaft bearing journals. Follow the procedure in the crankshaft installation above.
  7. After the bearings have been fitted, apply a light coating of assembly oil to the journals and bearings.
  8. Turn the crankshaft until the appropriate bearing journal is at the bottom of its stroke, then push the piston assembly all the way down until the connecting rod bearing seats on the crankshaft journal. Be careful not to allow the bearing cap screws to strike the crankshaft bearing journals and damage them.
  9. After the piston and connecting rod assemblies have been installed, check the connecting rod side clearance on each crankshaft journal.
  10. Prime and install the oil pump and the oil pump intake tube.
  11. Install the auxiliary/balance shaft(s)/assembly(ies).
OHV Engines CAMSHAFT, LIFTERS AND TIMING ASSEMBLY
  1. Install the camshaft.
  2. Install the lifters/followers into their bores.
  3. Install the timing gears/chain assembly.
CYLINDER HEAD(S)
  1. Install the cylinder head(s) using new gaskets.
  2. Assemble the rest of the valve train (pushrods and rocker arms and/or shafts).
OHC Engines CYLINDER HEAD(S)
  1. Install the cylinder head(s) using new gaskets.
  2. Install the timing sprockets/gears and the belt/chain assemblies.
Engine Covers and Components Install the timing cover(s) and oil pan. Refer to your notes and drawings made prior to disassembly and install all of the components that were removed. Install the engine into the vehicle. Engine Start-up and Break-in STARTING THE ENGINE Now that the engine is installed and every wire and hose is properly connected, go back and double check that all coolant and vacuum hoses are connected. Check that your oil drain plug is installed and properly tightened. If not already done, install a new oil filter onto the engine. Fill the crankcase with the proper amount and grade of engine oil. Fill the cooling system with a 50/50 mixture of coolant/water.
  1. Connect the vehicle battery.
  2. Start the engine. Keep your eye on your oil pressure indicator; if it does not indicate oil pressure within 10 seconds of starting, turn the vehicle OFF. WARNING
    Damage to the engine can result if it is allowed to run with no oil pressure. Check the engine oil level to make sure that it is full. Check for any leaks and if found, repair the leaks before continuing. If there is still no indication of oil pressure, you may need to prime the system.
  3. Confirm that there are no fluid leaks (oil or other).
  4. Allow the engine to reach normal operating temperature (the upper radiator hose will be hot to the touch).
  5. At this point any necessary checks or adjustments can be performed, such as ignition timing.
  6. Install any remaining components or body panels which were removed. prev.gif next.gif

Oct 17, 2010 | 1995 Ford Thunderbird

1 Answer

Timing belt markings mazda B2500 1998


Timing Belt, Sprockets & Front Cover Removal & Installation Timing belt To Remove:
  1. Disconnect the negative battery cable.
  2. Remove the exhaust side spark plugs, outer timing belt cover, and crankshaft pulley.
  3. Turn the crankshaft until the number one piston is at top dead center (TDC). CAUTION
    The camshaft belt tensioner tool (303-097) can be damaged when trying to relieve belt tension if you attempt to remove the belt without first loosening both the timing belt tensioner adjusting bolt and the spring pivot bolt.
  4. Loosen the timing belt spring pivot bolt, but do not remove it at this point in the procedure.
  5. Loosen the adjusting bolt slowly and release the spring tension.
  6. Turn the tensioner with the camshaft belt tensioner tool (303-097), against the spring pressure, clockwise to the farthest position.
  7. While holding it in this position, tighten the adjusting bolt to hold the tensioner away from the belt.
  8. Remove the timing belt.
To Install:
  1. Be certain that on piston number one, the crankshaft is at TDC with the crankshaft keyway pointing straight up and the circle on the crankshaft sprocket lined up with the notch on the engine front cover.
  2. Line up the timing marks.
  3. Install the timing belt over the crankshaft sprocket going counterclockwise over the oil pump sprocket and over the camshaft sprocket.
  4. Loosen the bolt allowing the tensioner pulley to press against the timing belt. NOTE: The timing belt tensioner should not be tightened or the belt tension will not be evenly distributed over the whole belt.
  5. Turn the crankshaft two revolutions clockwise. Next, slowly bring the crank to the number one position firing position with the keyway on the crank facing up. The dot on the crankshaft gear is lined up with the notch on the front cover.
  6. Check the timing mark alignment again. If necessary, repeat the procedure.
  7. Tighten the bolts. Torque the pivot bolt to 30-40 ft-lb (40-55 Nm). Torque the adjustment/locking bolt to 26-33 ft-lb (35-45 Nm).
  8. Install the crankshaft pulley and tighten the bolt. Torque to 93-121 ft-lb (125-165 Nm).
  9. Install the outer timing belt cover and tighten the bolt. Torque to 70-106 in-lb (8-12 Nm).
  10. Install the exhaust side spark plugs.
Sprockets To Remove:
  1. Remove the timing belt.
  2. Install the camshaft sprocket holding/removing tool (303-098) onto the sprocket.
  3. Remove the camshaft sprocket.
To Install:
  1. Place the key and camshaft sprocket on the shaft.
  2. Install the camshaft sprocket holding/removing tool (303-098) onto the camshaft sprocket and tighten the bolt. Torque to 52-70 ft-lb (70-95 Nm).
  3. Remove the tool then install the timing belt.
Outer Cover To Remove:
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Disconnect the negative battery cable.
  3. Remove the fan shroud.
  4. Loosen the bolts on the water pump pulley, but do not remove them at this point in the procedure.
  5. Remove the drive belt, the water pump pulley, and the fan and clutch assembly.
  6. Recover the refrigerant from the A/C system.
  7. Disconnect the A/C wiring connector.
  8. Remove the A/C compressor from the mounting bracket then remove the A/C mounting bracket with the power steering pump still attached.
  9. Remove the outer timing belt cover.
To Install:
  1. Install the outer timing belt cover. Torque to 70-106 in-lb (8-12 Nm).
  2. Install the A/C mounting bracket with the power steering pump still attached. Torque the M10 bolts and stud to 35 ft-lb (48 Nm) and torque the M8 bolt to 18 ft-lb (25 Nm).
  3. Install the A/C compressor to the mounting bracket. Torque to 16-20 ft-lb (21-28 Nm).
  4. Connect the A/C wiring connector.
  5. Refill the refrigerant into the A/C system.
  6. Install the fan and clutch assembly, the water pump pulley, and the drive belt.
  7. Tighten the bolts on the water pump pulley. Torque to 13-17 ft-lb (17-23 Nm).
  8. Install the fan shroud. Torque to 54-70 in-lb (6-8 Nm).
  9. Connect the negative battery cable.
  10. Start the engine. Check for leaks and repair as necessary.
Inner Cover To Remove:
  1. Loosen oil pump sprocket bolt.
  2. Remove timing belt, timing belt tensioner, oil pump sprocket, and crankshaft pulley.
  3. Remove inner timing belt cover.
To Install:
  1. Install inner timing belt cover.
  2. Install crankshaft pulley. Torque to 93-121 ft-lb (125-165 Nm).
  3. Install the oil pump sprocket.
  4. Install the timing belt tensioner. Torque the pivot bolt to 30-40 ft-lb (40-55 Nm). Torque the adjustment/locking bolt to 26-33 ft-lb (35-45 Nm).
  5. Install the timing belt.
  6. Tighten the oil pump sprocket bolt. Torque to 30-40 ft-lb (40-55 Nm).
  7. Torque the camshaft bolt to 52-70 ft-lb (70-95 Nm).

Jul 12, 2010 | 1998 Mazda Pickup

1 Answer

Need to replace oil pump assembly


Remove the Oil Pump
1.
Step 1

Drive your Dodge Caravan up onto ramps or lifts so you have room to work as you pull out the oil pump. You could also use a jack, but make sure you brace the front wheels and engage the parking break so the car doesn't roll.
2.
Step 2

Disconnect the negative battery cable on your Dodge Caravan. Drain the engine oil and coolant into separate pans. Take the vehicle off the ramps or lifts. Remove the accessory drive belts and use an engine support tool to hold the weight of the engine.
3.
Step 3

Take out the right engine mount and bracket. Take off the timing belt cover and loosen the bolts on the timing belt tensioner. Remove both the tensioner and the timing belt then raise the vehicle back on the ramps or lifts.
4.
Step 4

Take out the oil pan assembly and remove the oil pump pick-up and the O-ring. Take the crankshaft damper out with a good puller. Use a puller to also draw the crankshaft sprocket from the front of the crankshaft.
5.
Step 5

Loosen the bolts on the oil pump and take them off. Remember where they were since you'll need to replace them later. Unscrew the relief valve.
Install the New Oil Pump
6.
Step 1

Clean all the parts to remove contaminants and debris then install the inner rotor. Make sure the chamfer faces the cast iron oil pump cover on the back. Torque the bolts to 105 in. lb.
7.
Step 2

Install the relief valve, followed by the spring, gasket and cover cap. The cover cap should be tightened to 40 ft. lb.
8.
Step 3

Fill the rotor cavity with clean engine oil to prime it then insert a new O-ring seal into the oil pump. Put Mopar Gasket Maker or equivalent anaerobic type gasket sealer on the flange of the oil pump body.
9.
Step 4

Align the oil pump rotor flats with the flats on the crankshaft and install the pump slowly, tightening the fasteners to 20 ft. lb. Add the new front oil seal and install it with the spring side facing the inside of the engine. Even it out with the engine cover.
10.
Step 5

Install the crankshaft sprocket with the special sprocket tool. Put on the oil pump pick-up tube and O-ring and torque the bolt to 20 ft. lb.
11.
Step 6

Insert the oil pan and install a new oil filter. Lower your vehicle then install the timing belt and covers and crankshaft damper with a tool specialized for the 2 mm by 1.75 by 150 mm bolt. Tighten the center bolt to 105 ft. lb.
12.
Step 7

Put on the accessory drive belts and adjust them to the right tension. Put on the engine mount and bracket then take out the engine support tool.
13.
Step 8

Add fresh oil to the engine and refill the cooling system. Use a 50/50 mixture of clean, ethylene glycol antifreeze and water in the cooling system. Start your engine and check for leaks.

May 21, 2009 | 2000 Dodge Caravan

1 Answer

Oil pump replacement


This MAY seem Strange But It IS ALL necessary for Oil Pump Replacement. And Please Don't Forget to Rate Me as Most Folks Do Not. Thank You and GOOD LUCK with the Oil Pump Job Also


OIL PUMP
It is necessary to remove the oil pan, oil pickup and chain case cover to service the oil pump rotors. The oil pump pressure relief valve can be serviced by removing the oil pan and oil pickup tube. Refer to Timing Chain Cover Removal and Installation for procedures.

DISASSEMBLY
  1. To remove the relief valve, proceed as follows:
  2. Drill a 3.175 mm (1/8 inch) hole into the relief valve retainer cap and insert a self-threading sheet metal screw into cap.
  1. Clamp screw into a vise and while supporting chain case cover, remove cap by tapping chain case cover using a soft hammer. Discard retainer cap and remove spring and relief valve.
  2. Remove oil pump cover screws, and lift off cover.
  3. Remove pump rotors.
  1. Wash all parts in a suitable solvent and inspect carefully for damage or wear.
Oil Pump Assembly
  1. Assemble pump, using new parts as required. Install the inner rotor with chamfer facing the cast iron oil pump cover.
  2. Tighten cover screws to 12 Nm (105 inch lbs.).
  3. Prime oil pump before installation by filling rotor cavity with engine oil.
  4. Install chain case cover. Refer to Timing Chain Cover Installation.
REMOVAL of Timing cover
REMOVAL
  1. Disconnect negative cable from battery.
  2. Remove timing chain cover.
REMOVAL Of Oil Pan to gain Access to OIL PUMP
  1. Disconnect negative cable from battery and remove engine oil dipstick.
  2. Raise vehicle on hoist and drain engine oil.
  3. Remove bending brace to transaxle attaching bolt.
  4. Remove bolts attaching dust cover to transaxle housing. Lower dust cover to gain access to oil pan bolts.
  5. Remove oil pan screws and remove oil pan.
INSTALLATION
  1. Clean surfaces and apply a 1/8 inch bead of Mopar (R) Silicone Rubber Adhesive Sealant or equivalent, at the parting line of the chain case cover and the rear seal retainer.
    1. Use a new pan gasket.
    2. Install pan and tighten screws to 12 Nm (105 inch lbs.).
    3. Install dust shield and bending brace to transaxle housing.
    4. Lower vehicle and install oil dipstick.
    5. Connect negative cable to battery.
    6. Fill crankcase with oil to proper level.

Mar 27, 2009 | 1998 Chrysler Town & Country

Not finding what you are looking for?
1991 Buick Regal Logo

Related Topics:

51 people viewed this question

Ask a Question

Usually answered in minutes!

Top Buick Experts

yadayada
yadayada

Level 3 Expert

60541 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

21927 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

6811 Answers

Are you a Buick Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...